[1] | 1 | <?php |
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| 2 | /** |
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| 3 | * Utilities.inc.php |
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| 4 | * Code by Strangecode :: www.strangecode.com :: This document contains copyrighted information |
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| 5 | */ |
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| 6 | |
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| 7 | |
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| 8 | /** |
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| 9 | * Print variable dump. |
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| 10 | * |
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[649] | 11 | * @param mixed $var The variable to dump. |
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| 12 | * @param bool $display Print the dump in <pre> tags or hide it in html comments (non-CLI only). |
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| 13 | * @param bool $dump_method Dump method. See SC_DUMP_* constants. |
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| 14 | * @param string $file Value of __FILE__. |
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| 15 | * @param string $line Value of __LINE__ |
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[1] | 16 | */ |
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[649] | 17 | define('SC_DUMP_PRINT_R', 0); |
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| 18 | define('SC_DUMP_VAR_DUMP', 1); |
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| 19 | define('SC_DUMP_VAR_EXPORT', 2); |
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| 20 | function dump($var, $display=false, $dump_method=SC_DUMP_PRINT_R, $file='', $line='') |
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[1] | 21 | { |
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[649] | 22 | if ('cli' === php_sapi_name() || defined('_CLI')) { |
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| 23 | echo "DUMP FROM: $file $line\n"; |
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| 24 | } else { |
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| 25 | echo $display ? "\n<br />DUMP <strong>$file $line</strong><br /><pre>\n" : "\n<!-- DUMP $file $line\n"; |
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| 26 | } |
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| 27 | |
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| 28 | switch ($dump_method) { |
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| 29 | case SC_DUMP_PRINT_R: |
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| 30 | default: |
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| 31 | // Print human-readable descriptions of invisible types. |
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| 32 | if (null === $var) { |
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| 33 | echo '(null)'; |
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| 34 | } else if (true === $var) { |
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| 35 | echo '(bool: true)'; |
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| 36 | } else if (false === $var) { |
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| 37 | echo '(bool: false)'; |
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| 38 | } else if (is_scalar($var) && '' === $var) { |
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| 39 | echo '(empty string)'; |
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| 40 | } else if (is_scalar($var) && preg_match('/^\s+$/', $var)) { |
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| 41 | echo '(only white space)'; |
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| 42 | } else { |
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| 43 | print_r($var); |
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| 44 | } |
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| 45 | break; |
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| 46 | |
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| 47 | case SC_DUMP_VAR_DUMP: |
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[1] | 48 | var_dump($var); |
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[649] | 49 | break; |
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| 50 | |
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| 51 | case SC_DUMP_VAR_EXPORT: |
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| 52 | var_export($var); |
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| 53 | break; |
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| 54 | } |
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| 55 | |
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| 56 | if ('cli' === php_sapi_name() || defined('_CLI')) { |
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| 57 | echo "\n"; |
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[1] | 58 | } else { |
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[649] | 59 | echo $display ? "\n</pre><br />\n" : "\n-->\n"; |
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[1] | 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | /** |
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| 64 | * Return dump as variable. |
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| 65 | * |
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| 66 | * @param mixed $var Variable to dump. |
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| 67 | * |
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| 68 | * @return string Dump of var. |
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| 69 | */ |
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| 70 | function getDump($var) |
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| 71 | { |
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| 72 | ob_start(); |
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| 73 | print_r($var); |
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| 74 | $d = ob_get_contents(); |
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| 75 | ob_end_clean(); |
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| 76 | return $d; |
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| 77 | } |
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| 78 | |
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[651] | 79 | /* |
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| 80 | * Return dump as cleaned text. Useful for dumping data into emails or output from CLI scripts. |
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| 81 | * To output tab-style lists set $indent to "\t" and $depth to 0; |
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| 82 | * To output markdown-style lists set $indent to '- ' and $depth to 1; |
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| 83 | * Also see yaml_emit() https://secure.php.net/manual/en/function.yaml-emit.php |
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| 84 | * |
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| 85 | * @param array $var Variable to dump. |
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| 86 | * @param string $indent A string to prepend indented lines. |
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| 87 | * @param string $depth Starting depth of this iteration of recursion (set to 0 to have no initial indentation). |
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| 88 | * @return string Pretty dump of $var. |
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| 89 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 90 | * @version 2.0 |
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| 91 | */ |
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| 92 | function fancyDump($var, $indent='- ', $depth=1) |
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[1] | 93 | { |
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[651] | 94 | $indent_str = str_repeat($indent, $depth); |
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[1] | 95 | $output = ''; |
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| 96 | if (is_array($var)) { |
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| 97 | foreach ($var as $k=>$v) { |
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[649] | 98 | $k = ucfirst(mb_strtolower(str_replace(array('_', ' '), ' ', $k))); |
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[1] | 99 | if (is_array($v)) { |
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[651] | 100 | $output .= sprintf("\n%s%s:\n%s\n", $indent_str, $k, fancyDump($v, $indent, $depth+1)); |
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[1] | 101 | } else { |
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[651] | 102 | $output .= sprintf("%s%s: %s\n", $indent_str, $k, $v); |
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[1] | 103 | } |
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| 104 | } |
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| 105 | } else { |
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[651] | 106 | $output .= sprintf("%s%s\n", $indent_str, $var); |
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[1] | 107 | } |
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[651] | 108 | return preg_replace(['/^[ \t]+$/', '/\n\n+/', '/^(?:\S( ))?(?:\S( ))?(?:\S( ))?(?:\S( ))?(?:\S( ))?(?:\S( ))?(?:\S( ))?(?:\S( ))?(\S )/m'], ['', "\n", '$1$1$2$2$3$3$4$4$5$5$6$6$7$7$8$8$9'], $output); |
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[1] | 109 | } |
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| 110 | |
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| 111 | /** |
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[646] | 112 | * Returns text with appropriate html translations. |
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[1] | 113 | * |
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| 114 | * @param string $txt Text to clean. |
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[646] | 115 | * @param bool $preserve_html If set to true, oTxt will not translage <, >, ", or ' |
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[1] | 116 | * characters into HTML entities. This allows HTML to pass |
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| 117 | * through unmunged. |
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| 118 | * |
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| 119 | * @return string Cleaned text. |
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| 120 | */ |
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| 121 | function oTxt($txt, $preserve_html=false) |
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| 122 | { |
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| 123 | global $CFG; |
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| 124 | |
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| 125 | $search = array(); |
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| 126 | $replace = array(); |
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| 127 | |
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| 128 | // Make converted ampersand entities into normal ampersands (they will be done manually later) to retain HTML entities. |
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| 129 | $search['retain_ampersand'] = '/&/'; |
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| 130 | $replace['retain_ampersand'] = '&'; |
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| 131 | |
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| 132 | if ($preserve_html) { |
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| 133 | // Convert characters that must remain non-entities for displaying HTML. |
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| 134 | $search['retain_left_angle'] = '/</'; |
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| 135 | $replace['retain_left_angle'] = '<'; |
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[646] | 136 | |
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[1] | 137 | $search['retain_right_angle'] = '/>/'; |
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| 138 | $replace['retain_right_angle'] = '>'; |
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[646] | 139 | |
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[1] | 140 | $search['retain_single_quote'] = '/'/'; |
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| 141 | $replace['retain_single_quote'] = "'"; |
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[646] | 142 | |
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[1] | 143 | $search['retain_double_quote'] = '/"/'; |
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| 144 | $replace['retain_double_quote'] = '"'; |
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| 145 | } |
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| 146 | |
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| 147 | // & becomes & |
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| 148 | $search['ampersand'] = '/&((?![\w\d#]{1,10};))/'; |
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| 149 | $replace['ampersand'] = '&\\1'; |
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| 150 | |
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| 151 | return preg_replace($search, $replace, htmlentities($txt, ENT_QUOTES, $CFG->character_set)); |
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| 152 | } |
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| 153 | |
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| 154 | /** |
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[646] | 155 | * Returns text with stylistic modifications. |
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[1] | 156 | * |
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| 157 | * @param string $txt Text to clean. |
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| 158 | * |
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| 159 | * @return string Cleaned text. |
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| 160 | */ |
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| 161 | function fancyTxt($txt) |
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| 162 | { |
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| 163 | $search = array(); |
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| 164 | $replace = array(); |
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| 165 | |
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| 166 | // "double quoted text" becomes “double quoted text” |
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| 167 | $search['double_quotes'] = '/(^|[^\w=])(?:"|"|"|"|“)([^"]+?)(?:"|"|"|"|”)([^\w]|$)/'; // " is the same as " and " and " |
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| 168 | $replace['double_quotes'] = '\\1“\\2”\\3'; |
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| 169 | |
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| 170 | // text's apostrophes become text’s apostrophes |
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| 171 | $search['apostrophe'] = '/(\w)(?:\'|')(\w)/'; |
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| 172 | $replace['apostrophe'] = '\\1’\\2'; |
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| 173 | |
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| 174 | // "single quoted text" becomes ‘single quoted text’ |
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| 175 | $search['single_quotes'] = '/(^|[^\w=])(?:\'|'|‘)([^\']+?)(?:\'|'|’)([^\w]|$)/'; |
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| 176 | $replace['single_quotes'] = '\\1‘\\2’\\3'; |
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[646] | 177 | |
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[1] | 178 | // em--dashes become em—dashes |
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| 179 | $search['em_dash'] = '/(\s*[^!<-])--([^>-]\s*)/'; |
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| 180 | $replace['em_dash'] = '\\1—\\2'; |
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[646] | 181 | |
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[1] | 182 | // & becomes & |
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| 183 | $search['ampersand'] = '/&((?![\w\d#]{1,10};))/'; |
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| 184 | $replace['ampersand'] = '&\\1'; |
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| 185 | |
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| 186 | return preg_replace($search, $replace, $txt); |
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| 187 | } |
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| 188 | |
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[646] | 189 | /* |
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| 190 | * Finds all URLs in text and hyperlinks them. |
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| 191 | * |
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| 192 | * @access public |
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| 193 | * @param string $text Text to search for URLs. |
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| 194 | * @param bool $strict True to only include URLs starting with a scheme (http:// ftp:// im://), or false to include URLs starting with 'www.'. |
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| 195 | * @param mixed $length Number of characters to truncate URL, or NULL to disable truncating. |
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| 196 | * @param string $delim Delimiter to append, indicate truncation. |
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| 197 | * @return string Same input text, but URLs hyperlinked. |
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| 198 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 199 | * @version 2.1 |
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| 200 | * @since 22 Mar 2015 23:29:04 |
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| 201 | */ |
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| 202 | function hyperlinkTxt($text, $strict=false, $length=null, $delim='âŠ') |
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| 203 | { |
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| 204 | // A list of schemes we allow at the beginning of a URL. |
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| 205 | $schemes = 'mailto:|tel:|skype:|callto:|facetime:|bitcoin:|geo:|magnet:\?|sip:|sms:|xmpp:|view-source:(?:https?://)?|[\w-]{2,}://'; |
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| 206 | |
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| 207 | // Capture the full URL into the first match and only the first X characters into the second match. |
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| 208 | // This will match URLs not preceded by " ' or = (URLs inside an attribute) or ` (Markdown quoted) or double-scheme (http://http://www.asdf.com) |
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| 209 | // Valid URL characters: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;= |
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| 210 | $regex = '@ |
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| 211 | \b # Start with a word-boundary. |
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| 212 | (?<!"|\'|=|>|`|\]\(|[:/]/) # Negative look-behind to exclude URLs already in <a> tag, <tags>beween</tags>, `Markdown quoted`, [Markdown](link), and avoid broken:/ and doubled://schemes:// |
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| 213 | ( # Begin match 1 |
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| 214 | ( # Begin match 2 |
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| 215 | (?:%s) # URL starts with known scheme or www. if strict = false |
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| 216 | [^\s/$.?#]+ # Any domain-valid characters |
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| 217 | [^\s"`<>]{1,%s} # Match 2 is limited to a maximum of LENGTH valid URL characters |
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| 218 | ) |
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| 219 | [^\s"`<>]* # Match 1 continues with any further valid URL characters |
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| 220 | ([^\P{Any}\sâŠ<>«»"ââ%s]) # Final character not a space or common end-of-sentence punctuation (.,:;?!, etc). Using double negation set, see http://stackoverflow.com/a/4786560/277303 |
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| 221 | ) |
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| 222 | @Suxi |
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| 223 | '; |
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| 224 | $regex = sprintf($regex, |
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| 225 | ($strict ? $schemes : $schemes . '|www\.'), // Strict=false adds "www." to the list of allowed start-of-URL. |
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| 226 | ($length ? $length : ''), |
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| 227 | ($strict ? '' : '?!.,:;)\'-') // Strict=false excludes some "URL-valid" characters from the last character of URL. (Hyphen must remain last character in this class.) |
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| 228 | ); |
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| 229 | |
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| 230 | // Use a callback function to decide when to append the delim. |
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| 231 | // Also encode special chars with oTxt(). |
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| 232 | return preg_replace_callback($regex, function ($m) use ($length, $delim) { |
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| 233 | $url = $m[1]; |
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| 234 | $truncated_url = $m[2] . $m[3]; |
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| 235 | $absolute_url = preg_replace('!^www\.!', 'http://www.', $url); |
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| 236 | if (is_null($length) || $url == $truncated_url) { |
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| 237 | // If not truncating, or URL was not truncated. |
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| 238 | // Remove http schemas, and any single trailing / to make the display URL. |
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| 239 | $display_url = preg_replace(['!^https?://!', '!^([^/]+)/$!'], ['', '$1'], $url); |
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| 240 | return sprintf('<a href="%s">%s</a>', oTxt($absolute_url), $display_url); |
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| 241 | } else { |
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| 242 | // Truncated URL. |
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| 243 | // Remove http schemas, and any single trailing / to make the display URL. |
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| 244 | $display_url = preg_replace(['!^https?://!', '!^([^/]+)/$!'], ['', '$1'], trim($truncated_url)); |
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| 245 | return sprintf('<a href="%s">%s%s</a>', oTxt($absolute_url), $display_url, $delim); |
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| 246 | } |
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| 247 | }, $text); |
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| 248 | } |
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| 249 | |
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[77] | 250 | /** |
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| 251 | * Turns "a really long string" into "a rea...string" |
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| 252 | * |
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| 253 | * @access public |
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| 254 | * @param string $str Input string |
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| 255 | * @param int $len Maximum string length. |
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| 256 | * @param string $where Where to cut the string. One of: 'start', 'middle', or 'end'. |
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| 257 | * @return string Truncated output string |
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| 258 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 259 | * @since 29 Mar 2006 13:48:49 |
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| 260 | */ |
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[649] | 261 | function truncate($str, $len=50, $where='end', $delim='âŠ') |
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[77] | 262 | { |
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[649] | 263 | $dlen = mb_strlen($delim); |
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| 264 | if ($len <= $dlen || mb_strlen($str) <= $dlen) { |
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| 265 | return substr($str, 0, $len); |
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[423] | 266 | } |
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[649] | 267 | $part1 = floor(($len - $dlen) / 2); |
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| 268 | $part2 = ceil(($len - $dlen) / 2); |
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| 269 | |
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| 270 | if ($len > ini_get('pcre.backtrack_limit')) { |
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| 271 | logMsg(sprintf('Asked to truncate string len of %s > pcre.backtrack_limit of %s', $len, ini_get('pcre.backtrack_limit')), LOG_DEBUG, __FILE__, __LINE__); |
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| 272 | ini_set('pcre.backtrack_limit', $len); |
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| 273 | } |
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| 274 | |
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[77] | 275 | switch ($where) { |
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| 276 | case 'start' : |
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[649] | 277 | return preg_replace(array(sprintf('/^.{%s,}(.{%s})$/su', $dlen + 1, $part1 + $part2), sprintf('/\s*%s{%s,}\s*/su', preg_quote($delim), $dlen)), array($delim . '$1', $delim), $str); |
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| 278 | |
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[77] | 279 | case 'middle' : |
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[649] | 280 | return preg_replace(array(sprintf('/^(.{%s}).{%s,}(.{%s})$/su', $part1, $dlen + 1, $part2), sprintf('/\s*%s{%s,}\s*/su', preg_quote($delim), $dlen)), array('$1' . $delim . '$2', $delim), $str); |
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| 281 | |
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[77] | 282 | case 'end' : |
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[649] | 283 | default : |
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| 284 | return preg_replace(array(sprintf('/^(.{%s}).{%s,}$/su', $part1 + $part2, $dlen + 1), sprintf('/\s*%s{%s,}\s*/su', preg_quote($delim), $dlen)), array('$1' . $delim, $delim), $str); |
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[77] | 285 | } |
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| 286 | } |
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[646] | 287 | |
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[1] | 288 | /** |
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[265] | 289 | * Generates a hexadecimal html color based on provided word. |
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[1] | 290 | * |
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| 291 | * @access public |
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| 292 | * |
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| 293 | * @param string $text A string for which to convert to color. |
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| 294 | * |
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| 295 | * @return string A hexadecimal html color. |
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| 296 | */ |
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| 297 | function getTextColor($text, $method=1) |
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| 298 | { |
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[265] | 299 | $hash = md5($text); |
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| 300 | $rgb = array( |
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| 301 | substr($hash, 0, 1), |
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| 302 | substr($hash, 1, 1), |
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| 303 | substr($hash, 2, 1), |
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| 304 | substr($hash, 3, 1), |
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| 305 | substr($hash, 4, 1), |
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| 306 | substr($hash, 5, 1), |
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| 307 | ); |
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[1] | 308 | |
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| 309 | switch ($method) { |
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[265] | 310 | case 1 : |
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| 311 | default : |
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| 312 | // Reduce all hex values slighly to avoid all white. |
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| 313 | array_walk($rgb, create_function('&$v', '$v = dechex(round(hexdec($v) * 0.87));')); |
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| 314 | break; |
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[1] | 315 | case 2 : |
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[265] | 316 | foreach ($rgb as $i => $v) { |
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| 317 | if (hexdec($v) > hexdec('c')) { |
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| 318 | $rgb[$i] = dechex(hexdec('f') - hexdec($v)); |
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| 319 | } |
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[1] | 320 | } |
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| 321 | break; |
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| 322 | } |
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| 323 | |
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[265] | 324 | return join('', $rgb); |
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[1] | 325 | } |
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| 326 | |
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| 327 | /** |
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| 328 | * Encodes a string into unicode values 128-255. |
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| 329 | * Useful for hiding an email address from spambots. |
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| 330 | * |
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| 331 | * @access public |
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| 332 | * |
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| 333 | * @param string $text A line of text to encode. |
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| 334 | * |
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| 335 | * @return string Encoded text. |
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| 336 | */ |
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| 337 | function encodeAscii($text) |
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| 338 | { |
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| 339 | $ouput = ''; |
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| 340 | $num = strlen($text); |
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| 341 | for ($i=0; $i<$num; $i++) { |
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| 342 | $output .= sprintf('&#%03s', ord($text{$i})); |
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| 343 | } |
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| 344 | return $output; |
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| 345 | } |
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| 346 | |
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| 347 | /** |
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[30] | 348 | * Encodes an email into a user (at) domain (dot) com format. |
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| 349 | * |
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| 350 | * @access public |
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| 351 | * @param string $email An email to encode. |
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| 352 | * @param string $at Replaces the @. |
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| 353 | * @param string $dot Replaces the .. |
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| 354 | * @return string Encoded email. |
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| 355 | */ |
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[140] | 356 | function encodeEmail($email, $at=' at ', $dot=' dot ') |
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[30] | 357 | { |
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| 358 | $search = array('/@/', '/\./'); |
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| 359 | $replace = array($at, $dot); |
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| 360 | return preg_replace($search, $replace, $email); |
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| 361 | } |
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| 362 | |
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| 363 | /** |
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[1] | 364 | * Return a human readable filesize. |
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| 365 | * |
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| 366 | * @param int $size Size |
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| 367 | * @param int $unit The maximum unit |
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| 368 | * @param int $format The return string format |
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| 369 | * @author Aidan Lister <aidan@php.net> |
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| 370 | * @version 1.1.0 |
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| 371 | */ |
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| 372 | function humanFileSize($size, $unit=null, $format='%01.2f %s') |
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| 373 | { |
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| 374 | // Units |
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| 375 | $units = array('B', 'KB', 'MB', 'GB', 'TB'); |
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| 376 | $ii = count($units) - 1; |
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[646] | 377 | |
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[1] | 378 | // Max unit |
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| 379 | $unit = array_search((string) $unit, $units); |
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| 380 | if ($unit === null || $unit === false) { |
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| 381 | $unit = $ii; |
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| 382 | } |
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[646] | 383 | |
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[1] | 384 | // Loop |
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| 385 | $i = 0; |
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| 386 | while ($unit != $i && $size >= 1024 && $i < $ii) { |
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| 387 | $size /= 1024; |
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| 388 | $i++; |
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| 389 | } |
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[646] | 390 | |
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[1] | 391 | return sprintf($format, $size, $units[$i]); |
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| 392 | } |
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| 393 | |
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| 394 | /** |
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| 395 | * If $var is net set or null, set it to $default. Otherwise leave it alone. |
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| 396 | * Returns the final value of $var. Use to find a default value of one is not avilable. |
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| 397 | * |
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| 398 | * @param mixed $var The variable that is being set. |
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| 399 | * @param mixed $default What to set it to if $val is not currently set. |
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[646] | 400 | * @return mixed The resulting value of $var. |
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[1] | 401 | */ |
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| 402 | function setDefault(&$var, $default='') |
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| 403 | { |
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| 404 | if (!isset($var)) { |
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| 405 | $var = $default; |
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| 406 | } |
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| 407 | return $var; |
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| 408 | } |
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| 409 | |
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| 410 | /** |
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| 411 | * Like preg_quote() except for arrays, it takes an array of strings and puts |
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| 412 | * a backslash in front of every character that is part of the regular |
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| 413 | * expression syntax. |
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| 414 | * |
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| 415 | * @param array $array input array |
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| 416 | * @param array $delim optional character that will also be excaped. |
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| 417 | * |
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| 418 | * @return array an array with the same values as $array1 but shuffled |
---|
| 419 | */ |
---|
| 420 | function pregQuoteArray($array, $delim='/') |
---|
| 421 | { |
---|
| 422 | if (!empty($array)) { |
---|
| 423 | if (is_array($array)) { |
---|
| 424 | foreach ($array as $key=>$val) { |
---|
| 425 | $quoted_array[$key] = preg_quote($val, $delim); |
---|
| 426 | } |
---|
| 427 | return $quoted_array; |
---|
| 428 | } else { |
---|
| 429 | return preg_quote($array, $delim); |
---|
| 430 | } |
---|
| 431 | } |
---|
| 432 | } |
---|
| 433 | |
---|
| 434 | /** |
---|
| 435 | * Converts a PHP Array into encoded URL arguments and return them as an array. |
---|
| 436 | * |
---|
[401] | 437 | * @param mixed $data An array to transverse recursively, or a string |
---|
[1] | 438 | * to use directly to create url arguments. |
---|
| 439 | * @param string $prefix The name of the first dimension of the array. |
---|
| 440 | * If not specified, the first keys of the array will be used. |
---|
| 441 | * |
---|
| 442 | * @return array URL with array elements as URL key=value arguments. |
---|
| 443 | */ |
---|
| 444 | function urlEncodeArray($data, $prefix='', $_return=true) { |
---|
[646] | 445 | |
---|
[1] | 446 | // Data is stored in static variable. |
---|
| 447 | static $args; |
---|
[646] | 448 | |
---|
[1] | 449 | if (is_array($data)) { |
---|
| 450 | foreach ($data as $key => $val) { |
---|
[401] | 451 | // If the prefix is empty, use the $key as the name of the first dimension of the "array". |
---|
| 452 | // ...otherwise, append the key as a new dimension of the "array". |
---|
[1] | 453 | $new_prefix = ('' == $prefix) ? urlencode($key) : $prefix . '[' . urlencode($key) . ']'; |
---|
| 454 | // Enter recursion. |
---|
| 455 | urlEncodeArray($val, $new_prefix, false); |
---|
| 456 | } |
---|
| 457 | } else { |
---|
[401] | 458 | // We've come to the last dimension of the array, save the "array" and it's value. |
---|
[1] | 459 | $args[$prefix] = urlencode($data); |
---|
| 460 | } |
---|
[646] | 461 | |
---|
[1] | 462 | if ($_return) { |
---|
| 463 | // This is not a recursive execution. All recursion is complete. |
---|
| 464 | // Reset static var and return the result. |
---|
| 465 | $ret = $args; |
---|
| 466 | $args = array(); |
---|
| 467 | return is_array($ret) ? $ret : array(); |
---|
| 468 | } |
---|
| 469 | } |
---|
| 470 | |
---|
| 471 | /** |
---|
| 472 | * Converts a PHP Array into encoded URL arguments and return them in a string. |
---|
| 473 | * |
---|
[401] | 474 | * @param mixed $data An array to transverse recursively, or a string |
---|
[1] | 475 | * to use directly to create url arguments. |
---|
[401] | 476 | * @param string $prefix The name of the first dimension of the array. |
---|
[1] | 477 | * If not specified, the first keys of the array will be used. |
---|
| 478 | * |
---|
| 479 | * @return string url A string ready to append to a url. |
---|
| 480 | */ |
---|
| 481 | function urlEncodeArrayToString($data, $prefix='') { |
---|
[646] | 482 | |
---|
[1] | 483 | $array_args = urlEncodeArray($data, $prefix); |
---|
| 484 | $url_args = ''; |
---|
| 485 | $delim = ''; |
---|
| 486 | foreach ($array_args as $key=>$val) { |
---|
| 487 | $url_args .= $delim . $key . '=' . $val; |
---|
| 488 | $delim = ini_get('arg_separator.output'); |
---|
| 489 | } |
---|
| 490 | return $url_args; |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | /** |
---|
[646] | 494 | * An alternative to "shuffle()" that actually works. |
---|
[1] | 495 | * |
---|
| 496 | * @param array $array1 input array |
---|
| 497 | * @param array $array2 argument used internally through recursion |
---|
| 498 | * |
---|
| 499 | * @return array an array with the same values as $array1 but shuffled |
---|
| 500 | */ |
---|
| 501 | function arrayRand(&$array1, $array2 = array()) |
---|
| 502 | { |
---|
| 503 | if (!sizeof($array1)) { |
---|
| 504 | return array(); |
---|
| 505 | } |
---|
[646] | 506 | |
---|
[1] | 507 | srand((double) microtime() * 10000000); |
---|
| 508 | $rand = array_rand($array1); |
---|
[646] | 509 | |
---|
[1] | 510 | $array2[] = $array1[$rand]; |
---|
| 511 | unset ($array1[$rand]); |
---|
[646] | 512 | |
---|
[1] | 513 | return $array2 + arrayRand($array1, $array2); |
---|
| 514 | } |
---|
| 515 | |
---|
| 516 | /** |
---|
| 517 | * Fills an arrray with the result from a multiple ereg search. |
---|
| 518 | * Curtesy of Bruno - rbronosky@mac.com - 10-May-2001 |
---|
| 519 | * Blame him for the funky do...while loop. |
---|
| 520 | * |
---|
| 521 | * @param mixed $pattern regular expression needle |
---|
| 522 | * @param mixed $string haystack |
---|
| 523 | * |
---|
| 524 | * @return array populated with each found result |
---|
| 525 | */ |
---|
| 526 | function eregAll($pattern, $string) |
---|
| 527 | { |
---|
| 528 | do { |
---|
| 529 | if (!ereg($pattern, $string, $temp)) { |
---|
| 530 | continue; |
---|
| 531 | } |
---|
| 532 | $string = str_replace($temp[0], '', $string); |
---|
| 533 | $results[] = $temp; |
---|
| 534 | } while (ereg($pattern, $string, $temp)); |
---|
| 535 | return $results; |
---|
| 536 | } |
---|
| 537 | |
---|
| 538 | /** |
---|
| 539 | * Prints the word "checked" if a variable is set, and optionally matches |
---|
| 540 | * the desired value, otherwise prints nothing, |
---|
[646] | 541 | * used for printing the word "checked" in a checkbox form input. |
---|
[1] | 542 | * |
---|
| 543 | * @param mixed $var the variable to compare |
---|
| 544 | * @param mixed $value optional, what to compare with if a specific value is required. |
---|
| 545 | */ |
---|
| 546 | function frmChecked($var, $value=null) |
---|
| 547 | { |
---|
| 548 | if (func_num_args() == 1 && $var) { |
---|
| 549 | // 'Checked' if var is true. |
---|
| 550 | echo ' checked="checked" '; |
---|
| 551 | } else if (func_num_args() == 2 && $var == $value) { |
---|
| 552 | // 'Checked' if var and value match. |
---|
| 553 | echo ' checked="checked" '; |
---|
| 554 | } else if (func_num_args() == 2 && is_array($var)) { |
---|
| 555 | // 'Checked' if the value is in the key or the value of an array. |
---|
| 556 | if (isset($var[$value])) { |
---|
| 557 | echo ' checked="checked" '; |
---|
| 558 | } else if (in_array($value, $var)) { |
---|
| 559 | echo ' checked="checked" '; |
---|
| 560 | } |
---|
| 561 | } |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | /** |
---|
| 565 | * prints the word "selected" if a variable is set, and optionally matches |
---|
| 566 | * the desired value, otherwise prints nothing, |
---|
[646] | 567 | * otherwise prints nothing, used for printing the word "checked" in a |
---|
| 568 | * select form input |
---|
[1] | 569 | * |
---|
| 570 | * @param mixed $var the variable to compare |
---|
| 571 | * @param mixed $value optional, what to compare with if a specific value is required. |
---|
| 572 | */ |
---|
| 573 | function frmSelected($var, $value=null) |
---|
| 574 | { |
---|
| 575 | if (func_num_args() == 1 && $var) { |
---|
| 576 | // 'selected' if var is true. |
---|
| 577 | echo ' selected="selected" '; |
---|
| 578 | } else if (func_num_args() == 2 && $var == $value) { |
---|
| 579 | // 'selected' if var and value match. |
---|
| 580 | echo ' selected="selected" '; |
---|
| 581 | } else if (func_num_args() == 2 && is_array($var)) { |
---|
| 582 | // 'selected' if the value is in the key or the value of an array. |
---|
| 583 | if (isset($var[$value])) { |
---|
| 584 | echo ' selected="selected" '; |
---|
| 585 | } else if (in_array($value, $var)) { |
---|
| 586 | echo ' selected="selected" '; |
---|
| 587 | } |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | /** |
---|
| 592 | * Adds slashes to values of an array and converts the array to a |
---|
| 593 | * comma delimited list. If value provided is not an array or is empty |
---|
| 594 | * return nothing. This is useful for putting values coming in from |
---|
| 595 | * posted checkboxes into a SET column of a database. |
---|
| 596 | * |
---|
| 597 | * @param array $array Array to convert. |
---|
| 598 | * @return string Comma list of array values. |
---|
| 599 | */ |
---|
| 600 | function dbArrayToList($array) |
---|
| 601 | { |
---|
| 602 | if (is_array($array) && !empty($array)) { |
---|
[82] | 603 | return join(',', array_map('mysql_real_escape_string', array_keys($array))); |
---|
[1] | 604 | } |
---|
| 605 | } |
---|
| 606 | |
---|
| 607 | /** |
---|
| 608 | * Converts a human string date into a SQL-safe date. |
---|
| 609 | * Dates nearing infinity use the date 2038-01-01 so conversion to unix time |
---|
| 610 | * format remain within valid range. |
---|
| 611 | * |
---|
| 612 | * @param array $date String date to convert. |
---|
[646] | 613 | * @param array $format Date format to pass to date(). |
---|
[1] | 614 | * Default produces MySQL datetime: 0000-00-00 00:00:00. |
---|
| 615 | * |
---|
| 616 | * @return string SQL-safe date. |
---|
| 617 | */ |
---|
| 618 | function strToSQLDate($date, $format='Y-m-d H:i:s') |
---|
| 619 | { |
---|
| 620 | // Translate the human string date into SQL-safe date format. |
---|
| 621 | if (empty($date) || '0000-00-00' == $date || strtotime($date) === -1) { |
---|
| 622 | $sql_date = '0000-00-00'; |
---|
| 623 | } else { |
---|
| 624 | $sql_date = date($format, strtotime($date)); |
---|
| 625 | } |
---|
[646] | 626 | |
---|
[1] | 627 | return $sql_date; |
---|
| 628 | } |
---|
| 629 | |
---|
| 630 | /** |
---|
| 631 | * If magic_quotes_gpc is in use, run stripslashes() on $var. If $var is an |
---|
[401] | 632 | * array, stripslashes is run on each value, recursively, and the stripped |
---|
[1] | 633 | * array is returned |
---|
| 634 | * |
---|
| 635 | * @param mixed $var The string or array to un-quote, if necessary. |
---|
| 636 | * @return mixed $var, minus any magic quotes. |
---|
| 637 | */ |
---|
| 638 | function dispelMagicQuotes($var) |
---|
| 639 | { |
---|
| 640 | static $magic_quotes_gpc; |
---|
[646] | 641 | |
---|
[1] | 642 | if (!isset($magic_quotes_gpc)) { |
---|
| 643 | $magic_quotes_gpc = get_magic_quotes_gpc(); |
---|
| 644 | } |
---|
[646] | 645 | |
---|
[1] | 646 | if ($magic_quotes_gpc) { |
---|
| 647 | if (!is_array($var)) { |
---|
| 648 | $var = stripslashes($var); |
---|
| 649 | } else { |
---|
| 650 | foreach ($var as $key=>$val) { |
---|
| 651 | if (is_array($val)) { |
---|
| 652 | $var[$key] = dispelMagicQuotes($val); |
---|
| 653 | } else { |
---|
| 654 | $var[$key] = stripslashes($val); |
---|
| 655 | } |
---|
| 656 | } |
---|
| 657 | } |
---|
| 658 | } |
---|
| 659 | return $var; |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | /** |
---|
| 663 | * Get a form variable from GET or POST data, stripped of magic |
---|
| 664 | * quotes if necessary. |
---|
| 665 | * |
---|
| 666 | * @param string $var (optional) The name of the form variable to look for. |
---|
| 667 | * @param string $default (optional) The value to return if the |
---|
| 668 | * variable is not there. |
---|
| 669 | * |
---|
| 670 | * @return mixed A cleaned GET or POST if no $var specified. |
---|
| 671 | * @return string A cleaned form $var if found, or $default. |
---|
| 672 | */ |
---|
| 673 | function getFormData($var=null, $default=null) |
---|
| 674 | { |
---|
| 675 | if ('POST' == $_SERVER['REQUEST_METHOD'] && is_null($var)) { |
---|
| 676 | return dispelMagicQuotes($_POST); |
---|
| 677 | } else if ('GET' == $_SERVER['REQUEST_METHOD'] && is_null($var)) { |
---|
| 678 | return dispelMagicQuotes($_GET); |
---|
| 679 | } |
---|
| 680 | if (isset($_POST[$var])) { |
---|
| 681 | return dispelMagicQuotes($_POST[$var]); |
---|
| 682 | } else if (isset($_GET[$var])) { |
---|
| 683 | return dispelMagicQuotes($_GET[$var]); |
---|
| 684 | } else { |
---|
| 685 | return $default; |
---|
| 686 | } |
---|
| 687 | } |
---|
| 688 | function getPost($var=null, $default=null) |
---|
| 689 | { |
---|
| 690 | if (is_null($var)) { |
---|
| 691 | return dispelMagicQuotes($_POST); |
---|
| 692 | } |
---|
| 693 | if (isset($_POST[$var])) { |
---|
| 694 | return dispelMagicQuotes($_POST[$var]); |
---|
| 695 | } else { |
---|
| 696 | return $default; |
---|
| 697 | } |
---|
| 698 | } |
---|
| 699 | function getGet($var=null, $default=null) |
---|
| 700 | { |
---|
| 701 | if (is_null($var)) { |
---|
| 702 | return dispelMagicQuotes($_GET); |
---|
| 703 | } |
---|
| 704 | if (isset($_GET[$var])) { |
---|
| 705 | return dispelMagicQuotes($_GET[$var]); |
---|
| 706 | } else { |
---|
| 707 | return $default; |
---|
| 708 | } |
---|
| 709 | } |
---|
| 710 | |
---|
| 711 | /** |
---|
| 712 | * Signs a value using md5 and a simple text key. In order for this |
---|
| 713 | * function to be useful (i.e. secure) the key must be kept secret, which |
---|
| 714 | * means keeping it as safe as database credentials. Putting it into an |
---|
| 715 | * environment variable set in httpd.conf is a good place. |
---|
| 716 | * |
---|
| 717 | * @access public |
---|
| 718 | * |
---|
| 719 | * @param string $val The string to sign. |
---|
| 720 | * @param string $key (Optional) A text key to use for computing the signature. |
---|
| 721 | * |
---|
| 722 | * @return string The original value with a signature appended. |
---|
| 723 | */ |
---|
| 724 | function addSignature($val, $key=null) |
---|
| 725 | { |
---|
| 726 | global $CFG; |
---|
[646] | 727 | |
---|
[1] | 728 | if ('' == $val) { |
---|
| 729 | logMsg(sprintf('Adding signature to empty string.', null), LOG_NOTICE, __FILE__, __LINE__); |
---|
| 730 | } |
---|
[646] | 731 | |
---|
[1] | 732 | if (!isset($key)) { |
---|
| 733 | $key = $CFG->signing_key; |
---|
| 734 | } |
---|
| 735 | |
---|
| 736 | return $val . '-' . substr(md5($val . $key), 0, 18); |
---|
| 737 | } |
---|
| 738 | |
---|
| 739 | /** |
---|
| 740 | * Strips off the signature appended by addSignature(). |
---|
| 741 | * |
---|
| 742 | * @access public |
---|
| 743 | * |
---|
| 744 | * @param string $signed_val The string to sign. |
---|
| 745 | * |
---|
| 746 | * @return string The original value with a signature removed. |
---|
| 747 | */ |
---|
| 748 | function removeSignature($signed_val) |
---|
| 749 | { |
---|
| 750 | return substr($signed_val, 0, strrpos($signed_val, '-')); |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | |
---|
| 754 | /** |
---|
| 755 | * Verifies a signature appened to a value by addSignature(). |
---|
| 756 | * |
---|
| 757 | * @access public |
---|
| 758 | * |
---|
| 759 | * @param string $signed_val A value with appended signature. |
---|
| 760 | * @param string $key (Optional) A text key to use for computing the signature. |
---|
| 761 | * |
---|
| 762 | * @return bool True if the signature matches the var. |
---|
| 763 | */ |
---|
| 764 | function verifySignature($signed_val, $key=null) |
---|
| 765 | { |
---|
| 766 | // Strip the value from the signed value. |
---|
| 767 | $val = substr($signed_val, 0, strrpos($signed_val, '-')); |
---|
| 768 | // If the signed value matches the original signed value we consider the value safe. |
---|
| 769 | if ($signed_val == addSignature($val, $key)) { |
---|
| 770 | // Signature verified. |
---|
| 771 | return true; |
---|
| 772 | } else { |
---|
| 773 | return false; |
---|
| 774 | } |
---|
| 775 | } |
---|
| 776 | |
---|
| 777 | /** |
---|
| 778 | * Stub functions used when installation does not have |
---|
| 779 | * GNU gettext extension installed |
---|
| 780 | */ |
---|
| 781 | if (!extension_loaded('gettext')) { |
---|
| 782 | /** |
---|
| 783 | * Translates text |
---|
[646] | 784 | * |
---|
[1] | 785 | * @access public |
---|
| 786 | * @param string $text the text to be translated |
---|
| 787 | * @return string translated text |
---|
| 788 | */ |
---|
| 789 | function gettext($text) { |
---|
| 790 | return $text; |
---|
| 791 | } |
---|
[646] | 792 | |
---|
[1] | 793 | /** |
---|
| 794 | * Translates text |
---|
[646] | 795 | * |
---|
[1] | 796 | * @access public |
---|
| 797 | * @param string $text the text to be translated |
---|
| 798 | * @return string translated text |
---|
| 799 | */ |
---|
| 800 | function _($text) { |
---|
| 801 | return $text; |
---|
| 802 | } |
---|
[646] | 803 | |
---|
[1] | 804 | /** |
---|
| 805 | * Translates text by domain |
---|
[646] | 806 | * |
---|
[1] | 807 | * @access public |
---|
| 808 | * @param string $domain the language to translate the text into |
---|
| 809 | * @param string $text the text to be translated |
---|
| 810 | * @return string translated text |
---|
| 811 | */ |
---|
| 812 | function dgettext($domain, $text) { |
---|
| 813 | return $text; |
---|
| 814 | } |
---|
[646] | 815 | |
---|
[1] | 816 | /** |
---|
| 817 | * Translates text by domain and category |
---|
[646] | 818 | * |
---|
[1] | 819 | * @access public |
---|
| 820 | * @param string $domain the language to translate the text into |
---|
| 821 | * @param string $text the text to be translated |
---|
| 822 | * @param string $category the language dialect to use |
---|
| 823 | * @return string translated text |
---|
| 824 | */ |
---|
| 825 | function dcgettext($domain, $text, $category) { |
---|
| 826 | return $text; |
---|
| 827 | } |
---|
[646] | 828 | |
---|
[1] | 829 | /** |
---|
| 830 | * Binds the text domain |
---|
[646] | 831 | * |
---|
[1] | 832 | * @access public |
---|
| 833 | * @param string $domain the language to translate the text into |
---|
[646] | 834 | * @param string |
---|
[1] | 835 | * @return string translated text |
---|
| 836 | */ |
---|
| 837 | function bindtextdomain($domain, $directory) { |
---|
| 838 | return $domain; |
---|
| 839 | } |
---|
[646] | 840 | |
---|
[1] | 841 | /** |
---|
| 842 | * Sets the text domain |
---|
[646] | 843 | * |
---|
[1] | 844 | * @access public |
---|
| 845 | * @param string $domain the language to translate the text into |
---|
| 846 | * @return string translated text |
---|
| 847 | */ |
---|
| 848 | function textdomain($domain) { |
---|
| 849 | return $domain; |
---|
| 850 | } |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | /** |
---|
| 854 | * Sends empty output to the browser and flushes the php buffer so the client |
---|
[646] | 855 | * will see data before the page is finished processing. |
---|
[1] | 856 | */ |
---|
| 857 | function flushBuffer() { |
---|
| 858 | echo str_repeat(' ', 205); |
---|
| 859 | flush(); |
---|
| 860 | } |
---|
| 861 | |
---|
| 862 | /** |
---|
| 863 | * Adds email address to mailman mailing list. Requires /etc/sudoers entry for apache to sudo execute add_members. |
---|
| 864 | * Don't forget to allow php_admin_value open_basedir access to "/var/mailman/bin". |
---|
| 865 | * |
---|
| 866 | * @access public |
---|
| 867 | * |
---|
| 868 | * @param string $email Email address to add. |
---|
| 869 | * @param string $list Name of list to add to. |
---|
| 870 | * @param bool $send_welcome_message True to send welcome message to subscriber. |
---|
| 871 | * |
---|
| 872 | * @return bool True on success, false on failure. |
---|
| 873 | */ |
---|
| 874 | function mailmanAddMember($email, $list, $send_welcome_message=false) |
---|
| 875 | { |
---|
[206] | 876 | $add_members = '/usr/lib/mailman/bin/add_members'; |
---|
| 877 | if (true || is_executable($add_members) && is_readable($add_members)) { |
---|
[1] | 878 | $welcome_msg = $send_welcome_message ? 'y' : 'n'; |
---|
| 879 | exec(sprintf('/bin/echo %s | /usr/bin/sudo %s -r - --welcome-msg=%s --admin-notify=n %s', escapeshellarg($email), escapeshellarg($add_members), $welcome_msg, escapeshellarg($list)), $stdout, $return_code); |
---|
[206] | 880 | $stdout = is_array($stdout) ? getDump($stdout) : $stdout; |
---|
[1] | 881 | if (0 == $return_code) { |
---|
| 882 | logMsg(sprintf('Mailman add member success for list: %s, user: %s', $list, $email, $stdout), LOG_INFO, __FILE__, __LINE__); |
---|
| 883 | return true; |
---|
| 884 | } else { |
---|
| 885 | logMsg(sprintf('Mailman add member failed for list: %s, user: %s, with message: %s', $list, $email, $stdout), LOG_WARNING, __FILE__, __LINE__); |
---|
| 886 | return false; |
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| 887 | } |
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| 888 | } else { |
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| 889 | logMsg(sprintf('Mailman add member program not executable: %s', $add_members), LOG_ALERT, __FILE__, __LINE__); |
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| 890 | return false; |
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| 891 | } |
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| 892 | } |
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| 893 | |
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| 894 | /** |
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| 895 | * Removes email address from mailman mailing list. Requires /etc/sudoers entry for apache to sudo execute add_members. |
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| 896 | * Don't forget to allow php_admin_value open_basedir access to "/var/mailman/bin". |
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| 897 | * |
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| 898 | * @access public |
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| 899 | * |
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| 900 | * @param string $email Email address to add. |
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| 901 | * @param string $list Name of list to add to. |
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| 902 | * @param bool $send_user_ack True to send goodbye message to subscriber. |
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| 903 | * |
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| 904 | * @return bool True on success, false on failure. |
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| 905 | */ |
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| 906 | function mailmanRemoveMember($email, $list, $send_user_ack=false) |
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| 907 | { |
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[206] | 908 | $remove_members = '/usr/lib/mailman/bin/remove_members'; |
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| 909 | if (true || is_executable($remove_members) && is_readable($remove_members)) { |
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[1] | 910 | $userack = $send_user_ack ? '' : '--nouserack'; |
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| 911 | exec(sprintf('/usr/bin/sudo %s %s --noadminack %s %s', escapeshellarg($remove_members), $userack, escapeshellarg($list), escapeshellarg($email)), $stdout, $return_code); |
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[206] | 912 | $stdout = is_array($stdout) ? getDump($stdout) : $stdout; |
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[1] | 913 | if (0 == $return_code) { |
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| 914 | logMsg(sprintf('Mailman remove member success for list: %s, user: %s', $list, $email, $stdout), LOG_INFO, __FILE__, __LINE__); |
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| 915 | return true; |
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| 916 | } else { |
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| 917 | logMsg(sprintf('Mailman remove member failed for list: %s, user: %s, with message: %s', $list, $email, $stdout), LOG_WARNING, __FILE__, __LINE__); |
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| 918 | return false; |
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| 919 | } |
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| 920 | } else { |
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| 921 | logMsg(sprintf('Mailman remove member program not executable: %s', $remove_members), LOG_ALERT, __FILE__, __LINE__); |
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| 922 | return false; |
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| 923 | } |
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| 924 | } |
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| 925 | |
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| 926 | |
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| 927 | |
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[206] | 928 | ?> |
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