/**
* Autoload function for HTML Purifier
- * @param $class Class to load
+ * @param string $class Class to load
+ * @return bool
*/
- public static function autoload($class) {
+ public static function autoload($class)
+ {
$file = HTMLPurifier_Bootstrap::getPath($class);
- if (!$file) return false;
- require HTMLPURIFIER_PREFIX . '/' . $file;
+ if (!$file) {
+ return false;
+ }
+ // Technically speaking, it should be ok and more efficient to
+ // just do 'require', but Antonio Parraga reports that with
+ // Zend extensions such as Zend debugger and APC, this invariant
+ // may be broken. Since we have efficient alternatives, pay
+ // the cost here and avoid the bug.
+ require_once HTMLPURIFIER_PREFIX . '/' . $file;
return true;
}
/**
* Returns the path for a specific class.
+ * @param string $class Class path to get
+ * @return string
*/
- public static function getPath($class) {
- if (strncmp('HTMLPurifier', $class, 12) !== 0) return false;
+ public static function getPath($class)
+ {
+ if (strncmp('HTMLPurifier', $class, 12) !== 0) {
+ return false;
+ }
// Custom implementations
if (strncmp('HTMLPurifier_Language_', $class, 22) === 0) {
$code = str_replace('_', '-', substr($class, 22));
} else {
$file = str_replace('_', '/', $class) . '.php';
}
- if (!file_exists(HTMLPURIFIER_PREFIX . '/' . $file)) return false;
+ if (!file_exists(HTMLPURIFIER_PREFIX . '/' . $file)) {
+ return false;
+ }
return $file;
}
/**
* "Pre-registers" our autoloader on the SPL stack.
*/
- public static function registerAutoload() {
+ public static function registerAutoload()
+ {
$autoload = array('HTMLPurifier_Bootstrap', 'autoload');
- if ( ($funcs = spl_autoload_functions()) === false ) {
+ if (($funcs = spl_autoload_functions()) === false) {
spl_autoload_register($autoload);
} elseif (function_exists('spl_autoload_unregister')) {
- $compat = version_compare(PHP_VERSION, '5.1.2', '<=') &&
- version_compare(PHP_VERSION, '5.1.0', '>=');
- foreach ($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('
- HTML Purifier autoloader registrar is not compatible
- with non-static object methods due to PHP Bug #44144;
- Please do not use HTMLPurifier.autoload.php (or any
- file that includes this file); instead, place the code:
- spl_autoload_register(array(\'HTMLPurifier_Bootstrap\', \'autoload\'))
- after your own autoloaders.
- ');
+ if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
+ // prepend flag exists, no need for shenanigans
+ spl_autoload_register($autoload, true, true);
+ } else {
+ $buggy = version_compare(PHP_VERSION, '5.2.11', '<');
+ $compat = version_compare(PHP_VERSION, '5.1.2', '<=') &&
+ version_compare(PHP_VERSION, '5.1.0', '>=');
+ foreach ($funcs as $func) {
+ if ($buggy && 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(
+ 'HTML Purifier autoloader registrar is not compatible
+ with non-static object methods due to PHP Bug #44144;
+ Please do not use HTMLPurifier.autoload.php (or any
+ file that includes this file); instead, place the code:
+ spl_autoload_register(array(\'HTMLPurifier_Bootstrap\', \'autoload\'))
+ after your own autoloaders.'
+ );
+ }
+ // Suprisingly, spl_autoload_register supports the
+ // Class::staticMethod callback format, although call_user_func doesn't
+ if ($compat) {
+ $func = implode('::', $func);
+ }
}
- // Suprisingly, spl_autoload_register supports the
- // Class::staticMethod callback format, although call_user_func doesn't
- if ($compat) $func = implode('::', $func);
+ spl_autoload_unregister($func);
+ }
+ spl_autoload_register($autoload);
+ foreach ($funcs as $func) {
+ spl_autoload_register($func);
}
- spl_autoload_unregister($func);
}
- spl_autoload_register($autoload);
- foreach ($funcs as $func) spl_autoload_register($func);
}
}
-
}
// vim: et sw=4 sts=4