AMP_DOM_Utils::merge_amp_actions AMP_DOM_Utils::merge_amp_actions( string $first, string $second ) Description # Merge two sets of AMP events & actions. Parameters # $first (Required) First event/action string. $second (Required) First event/action string. Return # (string) Merged event/action string. Source # File: includes/utils/class-amp-dom-utils.php Changelog # Changelog Version Description 1.4.0 Introduced.