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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 |
---|---|
785 | $wp_scripts->do_head_items(); |
786 |
|
787 | /** |
788 | * Filter whether to print the head scripts. |
789 | * |
790 | * @since 2.8.0 |
791 | * |
792 | * @param bool $print Whether to print the head scripts. Default true. |
793 | */ |
794 | if ( apply_filters( 'print_head_scripts', true ) ) { |
795 | _print_scripts(); |
796 | } |
797 |
|
798 | $wp_scripts->reset(); |
799 | return $wp_scripts->done; |
800 | } |
801 |
|
802 | /** |
803 | * Prints the scripts that were queued for the footer or too late for the HTML head. |