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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 |
|---|---|
| 2048 | * @global bool $concatenate_scripts |
| 2049 | * |
| 2050 | * @return array |
| 2051 | */ |
| 2052 | function print_head_scripts() { |
| 2053 | global $concatenate_scripts; |
| 2054 | |
| 2055 | if ( ! did_action( 'wp_print_scripts' ) ) { |
| 2056 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 2057 | do_action( 'wp_print_scripts' ); |
| 2058 | } |
| 2059 | |
| 2060 | $wp_scripts = wp_scripts(); |
| 2061 | |
| 2062 | script_concat_settings(); |
| 2063 | $wp_scripts->do_concat = $concatenate_scripts; |
| 2064 | $wp_scripts->do_head_items(); |
| 2065 | |
| 2066 | /** |
| Line | Code |
| 2168 | * @global WP_Scripts $wp_scripts |
| 2169 | * |
| 2170 | * @return array |
| 2171 | */ |
| 2172 | function wp_print_head_scripts() { |
| 2173 | global $wp_scripts; |
| 2174 | |
| 2175 | if ( ! did_action( 'wp_print_scripts' ) ) { |
| 2176 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 2177 | do_action( 'wp_print_scripts' ); |
| 2178 | } |
| 2179 | |
| 2180 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 2181 | return array(); // No need to run if nothing is queued. |
| 2182 | } |
| 2183 | |
| 2184 | return print_head_scripts(); |
| 2185 | } |
| 2186 | |