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12694 anikendra 1 
<?php
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if (!defined('BASEPATH'))
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  exit('No direct script access allowed');
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Class Captcha_model extends CI_Model {
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  private $vals = array();
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  // private $baseUrl  = base_url();
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  // private $basePath = 'D:/apache2triad/htdocs/captchademo/';
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  // private $captchaImagePath = 'tmp/captcha/';
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  // private $captchaImageUrl  = 'tmp/captcha/';
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  // private $captchaFontPath  = 'c:/windows/fonts/verdana.ttf';
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  public function __construct($configVal = array())
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  {
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    parent::__construct();
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    $this->load->helper('captcha');
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    if(!empty($config))
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      $this->initialize($configVal);
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    else
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      $this->vals = array(
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                 'word'          => '',
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                 'word_length'   => 5,
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                 'img_path'      => './assets/captcha/',
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                 'img_url'       => './assets/captcha/',
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                 'font_path'     => './assets/fonts/Helvetica LT Extra Compressed.ttf',
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                 'img_width'     => '300',
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                 'img_height'    => '100',
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                 'expiration'    => 3600
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               );
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  }
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  /**
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   * initializes the variables
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   *
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   * @author    Mohammad Jahedur Rahman
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   * @access    public
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   * @param     array     config
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   */
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  public function initialize ($configVal = array())
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  {
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    $this->vals = $configVal;
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  } //end function initialize
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  //---------------------------------------------------------------
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  /**
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   * generate the captcha
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   *
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   * @author     Mohammad Jahedur Rahman
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   * @access     public
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   * @return     array
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   */
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  public function generateCaptcha ()
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  {
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    $cap = create_captcha($this->vals);
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    return $cap;
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  } //end function generateCaptcha
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}
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?>