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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 714 | 'heartbeat', |
| 715 | 'heartbeatSettings', |
| 716 | /** |
| 717 | * Filters the Heartbeat settings. |
| 718 | * |
| 719 | * @since 3.6.0 |
| 720 | * |
| 721 | * @param array $settings Heartbeat settings array. |
| 722 | */ |
| 723 | apply_filters( 'heartbeat_settings', array() ) |
| 724 | ); |
| 725 | |
| 726 | $scripts->add( 'wp-auth-check', "/wp-includes/js/wp-auth-check$suffix.js", array( 'heartbeat' ), false, 1 ); |
| 727 | $scripts->set_translations( 'wp-auth-check' ); |
| 728 | |
| 729 | $scripts->add( 'wp-lists', "/wp-includes/js/wp-lists$suffix.js", array( 'wp-ajax-response', 'jquery-color' ), false, 1 ); |
| 730 | |
| 731 | // WordPress no longer uses or bundles Prototype or script.aculo.us. These are now pulled from an external source. |
| 732 | $scripts->add( 'prototype', 'https://ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js', array(), '1.7.1' ); |