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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 |
|---|---|
| 609 | $r = parent::all_deps( $handles, $recursion, $group ); |
| 610 | if ( ! $recursion ) { |
| 611 | /** |
| 612 | * Filters the list of script dependencies left to print. |
| 613 | * |
| 614 | * @since 2.3.0 |
| 615 | * |
| 616 | * @param string[] $to_do An array of script dependency handles. |
| 617 | */ |
| 618 | $this->to_do = apply_filters( 'print_scripts_array', $this->to_do ); |
| 619 | } |
| 620 | return $r; |
| 621 | } |
| 622 | |
| 623 | /** |
| 624 | * Processes items and dependencies for the head group. |
| 625 | * |
| 626 | * @since 2.8.0 |
| 627 | * |