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);
+ $callback = explode( '::', $callback, 2 );
}
}