captcha работает хорошо в моем localhost usbwebserwer. В веб-serwer captcha изображение не отображается. когда открытое изображение в firefox см. код:
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Вот код в моем captcha:
<?php /** * @version 1.6.0 * @package Joomla * @subpackage OS Membership * @author Tuan Pham Ngoc * @copyright Copyright (C) 2012 - 2013 Ossolution Team * @license GNU/GPL, see LICENSE.php */ // Check to ensure this file is included in Joomla! defined('_JEXEC') or die(); class CaptchaSecurityImages { function generateCode($characters) { /* list all possible characters, similar looking characters and vowels have been removed */ $possible = '23456789bcdfghjkmnpqrstvwxyz'; $code = ''; $i = 0; while ($i < $characters) { $code .= substr($possible, mt_rand(0, strlen($possible) - 1), 1); $i++; } return $code; } function CaptchaSecurityImages($width = '120', $height = '40', $characters = '6') { $session = JFactory::getSession(); $this->font = JPATH_COMPONENT . '/assets/font/monofont.ttf'; $code = $this->generateCode($characters); /* font size will be 75% of the image height */ $font_size = $height * 0.75; $image = imagecreate($width, $height) or die('Cannot initialize new GD image stream'); /* set the colours */ $background_color = imagecolorallocate($image, 255, 255, 255); $text_color = imagecolorallocate($image, 20, 40, 100); $noise_color = imagecolorallocate($image, 100, 120, 180); /* generate random dots in background */ for ($i = 0; $i < ($width * $height) / 3; $i++) { imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color); } /* generate random lines in background */ for ($i = 0; $i < ($width * $height) / 150; $i++) { imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color); } /* create textbox and add text */ $textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function'); $x = ($width - $textbox[4]) / 2; $y = ($height - $textbox[5]) / 2; imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font, $code) or die('Error in imagettftext function'); /* output captcha image to browser */ header('Content-Type: image/jpeg'); imagejpeg($image); imagedestroy($image); $session->set('osm_security_code', $code); } }
здесь HTML:
<div style="position:relative"> <input type="text" class="inputbox input-mini" value="" size="8" name="security_code"> <img src="/rejestracja-enterprise-kwartalnie?task=show_captcha_image" title="Please enter the code you see in the image into Security code textbox" align="middle" id="captcha_image"> <a class="osm_reload" href="javascript:reloadCaptcha();"></a> </div>