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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 |
|---|---|
| 2518 | $wp_styles->do_footer_items(); |
| 2519 | |
| 2520 | /** |
| 2521 | * Filters whether to print the styles queued too late for the HTML head. |
| 2522 | * |
| 2523 | * @since 3.3.0 |
| 2524 | * |
| 2525 | * @param bool $print Whether to print the 'late' styles. Default true. |
| 2526 | */ |
| 2527 | if ( apply_filters( 'print_late_styles', true ) ) { |
| 2528 | _print_styles(); |
| 2529 | } |
| 2530 | |
| 2531 | $wp_styles->reset(); |
| 2532 | return $wp_styles->done; |
| 2533 | } |
| 2534 | |
| 2535 | /** |
| 2536 | * Print styles (internal use only) |