Changeset 53 for trunk/lib/Captcha.inc.php

Timestamp:

Jan 26, 2006 8:19:32 PM (18 years ago)

Author:

scdev

Message:

${1}

File:

• trunk/lib/Captcha.inc.php (modified) (5 diffs)

trunk/lib/Captcha.inc.php

@@ -8 +8 @@
  * @author  Quinn Comendant <quinn@strangecode.com>
  * @version 1.0
+-------------------------------------------------------------------------------------
+// Example.
+
+// Instantiate new Captcha. This automatically generates a new 4-digit captcha number.
+$captcha = new Captcha();
+
+<!-- HTML form for captcha -->
+<label for="sc-captcha"><?php echo _("Reverse Turing Test") ?></label>
+<p class="help"><?php echo _("Please type the following number to prove you are a human. This is a measure to prevent spam robots from submitting this form.") ?></p>
+<pre style="font-size: 0.5em;"><?php $captcha->printAsciiNumber() ?></pre>
+<?php $captcha->printForm() ?>
+-------------------------------------------------------------------------------------
  */
 class Captcha {
 
     var $secret_key = 'some random seed text for the md5';
+    var $random_number;
     var $ascii_numbers = array(
         array(
@@ -95 +108 @@
         )
     );
+    
+    /**
+     * Constructor. Initialized new random number.
+     *
+     * @access  public
+     * @author  Quinn Comendant <quinn@strangecode.com>
+     * @since   20 Jan 2006 13:08:22
+     */
+    function Captcha()
+    {
+        $this->random_number = $this->_getRandomNumber();
+    }
 
     /**
@@ -129 +154 @@
 
     /**
+     * Prints the captcha ASCII numbers.
+     *
+     * @access  public
+     * @author  Quinn Comendant <quinn@strangecode.com>
+     * @since   07 Dec 2005 22:09:04
+     */
+    function printAsciiNumber()
+    {
+        $ascii = $this->getAsciiNumber($this->random_number);
+        ?><pre name="sc-captcha" id="sc-captcha"><?php echo $ascii ?></pre><?php
+    }
+
+    /**
      * Prints a form to enter captcha, including the required hidden hash form.
      *
@@ -137 +175 @@
     function printForm()
     {
-        $number = $this->_getRandomNumber();
-        $hash = $this->_getMD5key($number);
-        $ascii = $this->getAsciiNumber($number);
+        $hash = $this->_getMD5key($this->random_number);
         ?>
-        <label for="sc-captcha"><?php echo _("Reverse Turing Test") ?></label>
-        <p class="help"><?php echo _("Please type the following number to prove you are a human. This is a measure to prevent spam robots from submitting this form.") ?></p>
-        <pre style="font-size: 0.5em;"><?php echo $ascii ?></pre>
-        <input name="sc-captcha" id="sc-captcha" type="text" />
-        <input name="sc-captcha-hash" type="hidden" value="<?php echo $hash ?>" />
+        <input name="sc-captcha-input" id="sc-captcha-input" type="text" />
+        <input name="sc-captcha-hash" id="sc-captcha-hash" type="hidden" value="<?php echo $hash ?>" />
         <?php
     }
@@ -160 +193 @@
     function valid()
     {
-        $number = getFormData('sc-captcha');
+        $number = getFormData('sc-captcha-input');
         $hash = getFormData('sc-captcha-hash');