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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 |
|---|---|
| 371 | $result = parent::all_deps( $handles, $recursion, $group ); |
| 372 | if ( ! $recursion ) { |
| 373 | /** |
| 374 | * Filters the array of enqueued styles before processing for output. |
| 375 | * |
| 376 | * @since 2.6.0 |
| 377 | * |
| 378 | * @param string[] $to_do The list of enqueued style handles about to be processed. |
| 379 | */ |
| 380 | $this->to_do = apply_filters( 'print_styles_array', $this->to_do ); |
| 381 | } |
| 382 | return $result; |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Generates an enqueued style's fully-qualified URL. |
| 387 | * |
| 388 | * @since 2.6.0 |
| 389 | * |