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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 |
|---|---|
| 857 | * @global bool $concatenate_scripts |
| 858 | * |
| 859 | * @return array |
| 860 | */ |
| 861 | function print_head_scripts() { |
| 862 | global $concatenate_scripts; |
| 863 | |
| 864 | if ( ! did_action('wp_print_scripts') ) { |
| 865 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 866 | do_action( 'wp_print_scripts' ); |
| 867 | } |
| 868 | |
| 869 | $wp_scripts = wp_scripts(); |
| 870 | |
| 871 | script_concat_settings(); |
| 872 | $wp_scripts->do_concat = $concatenate_scripts; |
| 873 | $wp_scripts->do_head_items(); |
| 874 | |
| 875 | /** |
| Line | Code |
| 967 | * @since 2.8.0 |
| 968 | * |
| 969 | * @global WP_Scripts $wp_scripts |
| 970 | * |
| 971 | * @return array |
| 972 | */ |
| 973 | function wp_print_head_scripts() { |
| 974 | if ( ! did_action('wp_print_scripts') ) { |
| 975 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 976 | do_action( 'wp_print_scripts' ); |
| 977 | } |
| 978 | |
| 979 | global $wp_scripts; |
| 980 | |
| 981 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 982 | return array(); // no need to run if nothing is queued |
| 983 | } |
| 984 | return print_head_scripts(); |
| 985 | } |