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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 |
|---|---|
| 1053 | * @global bool $concatenate_scripts |
| 1054 | * |
| 1055 | * @return array |
| 1056 | */ |
| 1057 | function print_head_scripts() { |
| 1058 | global $concatenate_scripts; |
| 1059 | |
| 1060 | if ( ! did_action('wp_print_scripts') ) { |
| 1061 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1062 | do_action( 'wp_print_scripts' ); |
| 1063 | } |
| 1064 | |
| 1065 | $wp_scripts = wp_scripts(); |
| 1066 | |
| 1067 | script_concat_settings(); |
| 1068 | $wp_scripts->do_concat = $concatenate_scripts; |
| 1069 | $wp_scripts->do_head_items(); |
| 1070 | |
| 1071 | /** |
| Line | Code |
| 1163 | * @since 2.8.0 |
| 1164 | * |
| 1165 | * @global WP_Scripts $wp_scripts |
| 1166 | * |
| 1167 | * @return array |
| 1168 | */ |
| 1169 | function wp_print_head_scripts() { |
| 1170 | if ( ! did_action('wp_print_scripts') ) { |
| 1171 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1172 | do_action( 'wp_print_scripts' ); |
| 1173 | } |
| 1174 | |
| 1175 | global $wp_scripts; |
| 1176 | |
| 1177 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1178 | return array(); // no need to run if nothing is queued |
| 1179 | } |
| 1180 | return print_head_scripts(); |
| 1181 | } |