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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 |
|---|---|
| 1128 | * @global bool $concatenate_scripts |
| 1129 | * |
| 1130 | * @return array |
| 1131 | */ |
| 1132 | function print_head_scripts() { |
| 1133 | global $concatenate_scripts; |
| 1134 | |
| 1135 | if ( ! did_action('wp_print_scripts') ) { |
| 1136 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1137 | do_action( 'wp_print_scripts' ); |
| 1138 | } |
| 1139 | |
| 1140 | $wp_scripts = wp_scripts(); |
| 1141 | |
| 1142 | script_concat_settings(); |
| 1143 | $wp_scripts->do_concat = $concatenate_scripts; |
| 1144 | $wp_scripts->do_head_items(); |
| 1145 | |
| 1146 | /** |
| Line | Code |
| 1238 | * @since 2.8.0 |
| 1239 | * |
| 1240 | * @global WP_Scripts $wp_scripts |
| 1241 | * |
| 1242 | * @return array |
| 1243 | */ |
| 1244 | function wp_print_head_scripts() { |
| 1245 | if ( ! did_action('wp_print_scripts') ) { |
| 1246 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1247 | do_action( 'wp_print_scripts' ); |
| 1248 | } |
| 1249 | |
| 1250 | global $wp_scripts; |
| 1251 | |
| 1252 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1253 | return array(); // no need to run if nothing is queued |
| 1254 | } |
| 1255 | return print_head_scripts(); |
| 1256 | } |