1 files changed, 64 insertions, 0 deletions
diff --git a/includes/MWFunction.php b/includes/MWFunction.php
new file mode 100644
index 00000000..53ce446e
--- /dev/null
+++ b/includes/MWFunction.php
@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ */
+
+class MWFunction {
+
+	protected static function cleanCallback( $callback ) {
+		if( is_string( $callback ) ) {
+			if ( strpos( $callback, '::' ) !== false ) {
+				// PHP 5.1 cannot use call_user_func( 'Class::Method' )
+				// It can only handle only call_user_func( array( 'Class', 'Method' ) )
+				$callback = explode( '::', $callback, 2);
+			}
+		}
+
+		if( count( $callback ) == 2 && $callback[0] == 'self' || $callback[0] == 'parent' ) {
+			throw new MWException( 'MWFunction cannot call self::method() or parent::method()' );
+		}
+
+		// Run autoloader (workaround for call_user_func_array bug: http://bugs.php.net/bug.php?id=51329)
+		is_callable( $callback );
+
+		return $callback;
+	}
+
+	public static function call( $callback ) {
+		$callback = self::cleanCallback( $callback );
+
+		$args = func_get_args();
+
+		return call_user_func_array( 'call_user_func', $args );
+	}
+
+	public static function callArray( $callback, $argsarams ) {
+		$callback = self::cleanCallback( $callback );
+		return call_user_func_array( $callback, $argsarams );
+	}
+
+	public static function newObj( $class, $args = array() ) {
+		if( !count( $args ) ) {
+			return new $class;
+		}
+
+		$ref = new ReflectionClass( $class );
+		return $ref->newInstanceArgs( $args );
+	}
+
+}