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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 878 | * @global bool $concatenate_scripts |
| 879 | * |
| 880 | * @return array |
| 881 | */ |
| 882 | function print_head_scripts() { |
| 883 | global $concatenate_scripts; |
| 884 | |
| 885 | if ( ! did_action('wp_print_scripts') ) { |
| 886 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 887 | do_action( 'wp_print_scripts' ); |
| 888 | } |
| 889 | |
| 890 | $wp_scripts = wp_scripts(); |
| 891 | |
| 892 | script_concat_settings(); |
| 893 | $wp_scripts->do_concat = $concatenate_scripts; |
| 894 | $wp_scripts->do_head_items(); |
| 895 | |
| 896 | /** |
| Line | Code |
| 988 | * @since 2.8.0 |
| 989 | * |
| 990 | * @global WP_Scripts $wp_scripts |
| 991 | * |
| 992 | * @return array |
| 993 | */ |
| 994 | function wp_print_head_scripts() { |
| 995 | if ( ! did_action('wp_print_scripts') ) { |
| 996 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 997 | do_action( 'wp_print_scripts' ); |
| 998 | } |
| 999 | |
| 1000 | global $wp_scripts; |
| 1001 | |
| 1002 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1003 | return array(); // no need to run if nothing is queued |
| 1004 | } |
| 1005 | return print_head_scripts(); |
| 1006 | } |