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Source View: {$arg}

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Line Code
475      }
476
477      if ( empty( $arg ) ) {
478           $arg[] = '';
479      } elseif ( is_array( $arg[0] ) && 1 === count( $arg[0] ) && isset( $arg[0][0] ) && is_object( $arg[0][0] ) ) {
480           // Backward compatibility for PHP4-style passing of `array( &$this )` as action `$arg`.
481           $arg[0] = $arg[0][0];
482      }
483
484      $wp_filter[ $tag ]->do_action( $arg );
485
486      array_pop( $wp_current_filter );
487 }
488
489 /**
490  * Retrieve the number of times an action is fired.
491  *
492  * @since 2.1.0
493  *