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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 |
|---|---|
| 859 | |
| 860 | script_concat_settings(); |
| 861 | $wp_styles->do_concat = $concatenate_scripts; |
| 862 | $zip = $compress_css ? 1 : 0; |
| 863 | if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP ) |
| 864 | $zip = 'gzip'; |
| 865 | |
| 866 | $wp_styles->do_items(false); |
| 867 | |
| 868 | if ( apply_filters('print_admin_styles', true) ) |
| 869 | _print_styles(); |
| 870 | |
| 871 | $wp_styles->reset(); |
| 872 | return $wp_styles->done; |
| 873 | } |
| 874 | |
| 875 | /** |
| 876 | * Prints the styles that were queued too late for the HTML head. |
| 877 | * |