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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 |
|---|---|
| 636 | $r = parent::all_deps( $handles, $recursion, $group ); |
| 637 | if ( ! $recursion ) { |
| 638 | /** |
| 639 | * Filters the list of script dependencies left to print. |
| 640 | * |
| 641 | * @since 2.3.0 |
| 642 | * |
| 643 | * @param string[] $to_do An array of script dependency handles. |
| 644 | */ |
| 645 | $this->to_do = apply_filters( 'print_scripts_array', $this->to_do ); |
| 646 | } |
| 647 | return $r; |
| 648 | } |
| 649 | |
| 650 | /** |
| 651 | * Processes items and dependencies for the head group. |
| 652 | * |
| 653 | * @since 2.8.0 |
| 654 | * |