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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 |
|---|---|
| 1823 | * @global bool $concatenate_scripts |
| 1824 | * |
| 1825 | * @return array |
| 1826 | */ |
| 1827 | function print_head_scripts() { |
| 1828 | global $concatenate_scripts; |
| 1829 | |
| 1830 | if ( ! did_action( 'wp_print_scripts' ) ) { |
| 1831 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1832 | do_action( 'wp_print_scripts' ); |
| 1833 | } |
| 1834 | |
| 1835 | $wp_scripts = wp_scripts(); |
| 1836 | |
| 1837 | script_concat_settings(); |
| 1838 | $wp_scripts->do_concat = $concatenate_scripts; |
| 1839 | $wp_scripts->do_head_items(); |
| 1840 | |
| 1841 | /** |
| Line | Code |
| 1941 | * @since 2.8.0 |
| 1942 | * |
| 1943 | * @global WP_Scripts $wp_scripts |
| 1944 | * |
| 1945 | * @return array |
| 1946 | */ |
| 1947 | function wp_print_head_scripts() { |
| 1948 | if ( ! did_action( 'wp_print_scripts' ) ) { |
| 1949 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1950 | do_action( 'wp_print_scripts' ); |
| 1951 | } |
| 1952 | |
| 1953 | global $wp_scripts; |
| 1954 | |
| 1955 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1956 | return array(); // No need to run if nothing is queued. |
| 1957 | } |
| 1958 | return print_head_scripts(); |
| 1959 | } |