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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 |
|---|---|
| 819 | |
| 820 | script_concat_settings(); |
| 821 | $wp_styles->do_concat = $concatenate_scripts; |
| 822 | $zip = $compress_css ? 1 : 0; |
| 823 | if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP ) |
| 824 | $zip = 'gzip'; |
| 825 | |
| 826 | $wp_styles->do_items(false); |
| 827 | |
| 828 | if ( apply_filters('print_admin_styles', true) ) |
| 829 | _print_styles(); |
| 830 | |
| 831 | $wp_styles->reset(); |
| 832 | return $wp_styles->done; |
| 833 | } |
| 834 | |
| 835 | /** |
| 836 | * Prints the styles that were queued too late for the HTML head. |
| 837 | * |