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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 |
|---|---|
| 619 | $r = parent::all_deps( $handles, $recursion, $group ); |
| 620 | if ( ! $recursion ) { |
| 621 | /** |
| 622 | * Filters the list of script dependencies left to print. |
| 623 | * |
| 624 | * @since 2.3.0 |
| 625 | * |
| 626 | * @param string[] $to_do An array of script dependency handles. |
| 627 | */ |
| 628 | $this->to_do = apply_filters( 'print_scripts_array', $this->to_do ); |
| 629 | } |
| 630 | return $r; |
| 631 | } |
| 632 | |
| 633 | /** |
| 634 | * Processes items and dependencies for the head group. |
| 635 | * |
| 636 | * @since 2.8.0 |
| 637 | * |