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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 |
|---|---|
| 1029 | * @global bool $concatenate_scripts |
| 1030 | * |
| 1031 | * @return array |
| 1032 | */ |
| 1033 | function print_head_scripts() { |
| 1034 | global $concatenate_scripts; |
| 1035 | |
| 1036 | if ( ! did_action('wp_print_scripts') ) { |
| 1037 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1038 | do_action( 'wp_print_scripts' ); |
| 1039 | } |
| 1040 | |
| 1041 | $wp_scripts = wp_scripts(); |
| 1042 | |
| 1043 | script_concat_settings(); |
| 1044 | $wp_scripts->do_concat = $concatenate_scripts; |
| 1045 | $wp_scripts->do_head_items(); |
| 1046 | |
| 1047 | /** |
| Line | Code |
| 1139 | * @since 2.8.0 |
| 1140 | * |
| 1141 | * @global WP_Scripts $wp_scripts |
| 1142 | * |
| 1143 | * @return array |
| 1144 | */ |
| 1145 | function wp_print_head_scripts() { |
| 1146 | if ( ! did_action('wp_print_scripts') ) { |
| 1147 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1148 | do_action( 'wp_print_scripts' ); |
| 1149 | } |
| 1150 | |
| 1151 | global $wp_scripts; |
| 1152 | |
| 1153 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1154 | return array(); // no need to run if nothing is queued |
| 1155 | } |
| 1156 | return print_head_scripts(); |
| 1157 | } |