ConLite/setup/lib/functions.libraries.php

104 Zeilen
1,7 KiB
PHP

<?php
/**
* Project:
* Contenido Content Management System
*
* Description:
* <Description>
*
* Requirements:
* @con_php_req 5
*
*
* @package ContenidoBackendArea
* @version 0.2
* @author unknown
* @copyright four for business AG <www.4fb.de>
* @license http://www.contenido.org/license/LIZENZ.txt
* @link http://www.4fb.de
* @link http://www.contenido.org
*
*
*
* {@internal
* created unknown
* modified 2008-07-07, bilal arslan, added security fix
*
2019-07-03 11:58:28 +00:00
* $Id$:
* }}
*
*/
if(!defined('CON_FRAMEWORK')) {
die('Illegal call');
}
define("E_IMAGERESIZE_GD", 1);
define("E_IMAGERESIZE_IMAGEMAGICK", 2);
define("E_IMAGERESIZE_CANTCHECK", 3);
define("E_IMAGERESIZE_NOTHINGAVAILABLE", 4);
function checkImageResizer ()
{
$iGDStatus = isPHPExtensionLoaded("gd");
if ($iGDStatus == E_EXTENSION_AVAILABLE)
{
return E_IMAGERESIZE_GD;
}
if (function_exists("imagecreate"))
{
return E_IMAGERESIZE_GD;
}
if (isImageMagickAvailable())
{
return E_IMAGERESIZE_IMAGEMAGICK;
}
if ($iGDStatus === E_EXTENSION_CANTCHECK)
{
return E_IMAGERESIZE_CANTCHECK;
} else {
return E_IMAGERESIZE_NOTHINGAVAILABLE;
}
}
function isImageMagickAvailable ()
{
global $_imagemagickAvailable;
if (is_bool($_imagemagickAvailable))
{
if ($_imagemagickAvailable === true)
{
return true;
} else {
return false;
}
}
$output = array();
$retval = "";
@exec("convert",$output, $retval);
if (!is_array($output) || count($output) == 0)
{
return false;
}
if (strpos($output[0],"ImageMagick") !== false)
{
$_imagemagickAvailable = true;
return true;
} else {
$_imagemagickAvailable = false;
return false;
}
}
?>