icingaweb2/library/vendor/dompdf/include/autoload.inc.php

87 lines
2.5 KiB
PHP

<?php
/**
* @package dompdf
* @link http://dompdf.github.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @author Fabien Ménager <fabien.menager@gmail.com>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
/**
* DOMPDF autoload function
*
* If you have an existing autoload function, add a call to this function
* from your existing __autoload() implementation.
*
* @param string $class
*/
function DOMPDF_autoload($class) {
$filename = DOMPDF_INC_DIR . "/" . mb_strtolower($class) . ".cls.php";
if ( is_file($filename) ) {
include_once $filename;
}
}
// If SPL autoload functions are available (PHP >= 5.1.2)
if ( function_exists("spl_autoload_register") ) {
$autoload = "DOMPDF_autoload";
$funcs = spl_autoload_functions();
// No functions currently in the stack.
if ( !DOMPDF_AUTOLOAD_PREPEND || $funcs === false ) {
spl_autoload_register($autoload);
}
// If PHP >= 5.3 the $prepend argument is available
else if ( PHP_VERSION_ID >= 50300 ) {
spl_autoload_register($autoload, true, true);
}
else {
// Unregister existing autoloaders...
$compat = (PHP_VERSION_ID <= 50102 && PHP_VERSION_ID >= 50100);
foreach ($funcs as $func) {
if (is_array($func)) {
// :TRICKY: There are some compatibility issues and some
// places where we need to error out
$reflector = new ReflectionMethod($func[0], $func[1]);
if (!$reflector->isStatic()) {
throw new Exception('This function is not compatible with non-static object methods due to PHP Bug #44144.');
}
// Suprisingly, spl_autoload_register supports the
// Class::staticMethod callback format, although call_user_func doesn't
if ($compat) $func = implode('::', $func);
}
spl_autoload_unregister($func);
}
// Register the new one, thus putting it at the front of the stack...
spl_autoload_register($autoload);
// Now, go back and re-register all of our old ones.
foreach ($funcs as $func) {
spl_autoload_register($func);
}
// Be polite and ensure that userland autoload gets retained
if ( function_exists("__autoload") ) {
spl_autoload_register("__autoload");
}
}
}
else if ( !function_exists("__autoload") ) {
/**
* Default __autoload() function
*
* @param string $class
*/
function __autoload($class) {
DOMPDF_autoload($class);
}
}