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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 |
|---|---|
| 908 | * @global bool $concatenate_scripts |
| 909 | * |
| 910 | * @return array |
| 911 | */ |
| 912 | function print_head_scripts() { |
| 913 | global $concatenate_scripts; |
| 914 | |
| 915 | if ( ! did_action('wp_print_scripts') ) { |
| 916 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 917 | do_action( 'wp_print_scripts' ); |
| 918 | } |
| 919 | |
| 920 | $wp_scripts = wp_scripts(); |
| 921 | |
| 922 | script_concat_settings(); |
| 923 | $wp_scripts->do_concat = $concatenate_scripts; |
| 924 | $wp_scripts->do_head_items(); |
| 925 | |
| 926 | /** |
| Line | Code |
| 1018 | * @since 2.8.0 |
| 1019 | * |
| 1020 | * @global WP_Scripts $wp_scripts |
| 1021 | * |
| 1022 | * @return array |
| 1023 | */ |
| 1024 | function wp_print_head_scripts() { |
| 1025 | if ( ! did_action('wp_print_scripts') ) { |
| 1026 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1027 | do_action( 'wp_print_scripts' ); |
| 1028 | } |
| 1029 | |
| 1030 | global $wp_scripts; |
| 1031 | |
| 1032 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1033 | return array(); // no need to run if nothing is queued |
| 1034 | } |
| 1035 | return print_head_scripts(); |
| 1036 | } |