includes/MWFunction.php

   1 <?php
   2
   3 /**
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  *
  19  */
  20
  21 class MWFunction {
  22
  23         protected static function cleanCallback( $callback ) {
  24                 if( is_string( $callback ) ) {
  25                         if ( strpos( $callback, '::' ) !== false ) {
  26                                 // PHP 5.1 cannot use call_user_func( 'Class::Method' )
  27                                 // It can only handle only call_user_func( array( 'Class', 'Method' ) )
  28                                 $callback = explode( '::', $callback, 2);
  29                         }
  30                 }
  31
  32                 if( count( $callback ) == 2 && $callback[0] == 'self' || $callback[0] == 'parent' ) {
  33                         throw new MWException( 'MWFunction cannot call self::method() or parent::method()' );
  34                 }
  35
  36                 // Run autoloader (workaround for call_user_func_array bug: http://bugs.php.net/bug.php?id=51329)
  37                 is_callable( $callback );
  38
  39                 return $callback;
  40         }
  41
  42         public static function call( $callback ) {
  43                 $callback = self::cleanCallback( $callback );
  44
  45                 $args = func_get_args();
  46
  47                 return call_user_func_array( 'call_user_func', $args );
  48         }
  49
  50         public static function callArray( $callback, $argsarams ) {
  51                 $callback = self::cleanCallback( $callback );
  52                 return call_user_func_array( $callback, $argsarams );
  53         }
  54
  55         public static function newObj( $class, $args = array() ) {
  56                 if( !count( $args ) ) {
  57                         return new $class;
  58                 }
  59
  60                 $ref = new ReflectionClass( $class );
  61                 return $ref->newInstanceArgs( $args );
  62         }
  63
  64 }