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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.
Line | Code |
---|---|
1839 | $wp_scripts->do_head_items(); |
1840 |
|
1841 | /** |
1842 | * Filters whether to print the head scripts. |
1843 | * |
1844 | * @since 2.8.0 |
1845 | * |
1846 | * @param bool $print Whether to print the head scripts. Default true. |
1847 | */ |
1848 | if ( apply_filters( 'print_head_scripts', true ) ) { |
1849 | _print_scripts(); |
1850 | } |
1851 |
|
1852 | $wp_scripts->reset(); |
1853 | return $wp_scripts->done; |
1854 | } |
1855 |
|
1856 | /** |
1857 | * Prints the scripts that were queued for the footer or too late for the HTML head. |