104 Zeilen
1.7 KiB
PHP
104 Zeilen
1.7 KiB
PHP
<?php
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/**
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* Project:
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* Contenido Content Management System
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*
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* Description:
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* <Description>
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*
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* Requirements:
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* @con_php_req 5
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*
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*
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* @package ContenidoBackendArea
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* @version 0.2
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* @author unknown
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* @copyright four for business AG <www.4fb.de>
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* @license http://www.contenido.org/license/LIZENZ.txt
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* @link http://www.4fb.de
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* @link http://www.contenido.org
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*
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*
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*
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* {@internal
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* created unknown
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* modified 2008-07-07, bilal arslan, added security fix
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*
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* $Id$:
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* }}
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*
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*/
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if(!defined('CON_FRAMEWORK')) {
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die('Illegal call');
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}
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define("E_IMAGERESIZE_GD", 1);
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define("E_IMAGERESIZE_IMAGEMAGICK", 2);
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define("E_IMAGERESIZE_CANTCHECK", 3);
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define("E_IMAGERESIZE_NOTHINGAVAILABLE", 4);
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function checkImageResizer ()
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{
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$iGDStatus = isPHPExtensionLoaded("gd");
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if ($iGDStatus == E_EXTENSION_AVAILABLE)
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{
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return E_IMAGERESIZE_GD;
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}
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if (function_exists("imagecreate"))
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{
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return E_IMAGERESIZE_GD;
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}
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if (isImageMagickAvailable())
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{
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return E_IMAGERESIZE_IMAGEMAGICK;
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}
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if ($iGDStatus === E_EXTENSION_CANTCHECK)
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{
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return E_IMAGERESIZE_CANTCHECK;
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} else {
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return E_IMAGERESIZE_NOTHINGAVAILABLE;
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}
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}
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function isImageMagickAvailable ()
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{
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global $_imagemagickAvailable;
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if (is_bool($_imagemagickAvailable))
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{
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if ($_imagemagickAvailable === true)
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{
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return true;
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} else {
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return false;
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}
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}
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$output = [];
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$retval = "";
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@exec("convert",$output, $retval);
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if (!is_array($output) || count($output) == 0)
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{
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return false;
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}
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if (str_contains($output[0],"ImageMagick"))
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{
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$_imagemagickAvailable = true;
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return true;
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} else {
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$_imagemagickAvailable = false;
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return false;
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}
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}
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?>
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