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Source View: {$arg}

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Line Code
469      }
470
471      if ( empty( $arg ) ) {
472           $arg[] = '';
473      } elseif ( is_array( $arg[0] ) && 1 === count( $arg[0] ) && isset( $arg[0][0] ) && is_object( $arg[0][0] ) ) {
474           // Backward compatibility for PHP4-style passing of `array( &$this )` as action `$arg`.
475           $arg[0] = $arg[0][0];
476      }
477
478      $wp_filter[ $tag ]->do_action( $arg );
479
480      array_pop( $wp_current_filter );
481 }
482
483 /**
484  * Retrieve the number of times an action is fired.
485  *
486  * @since 2.1.0
487  *