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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 |
---|---|
727 | } |
728 |
|
729 | if ( !is_a($wp_scripts, 'WP_Scripts') ) |
730 | $wp_scripts = new WP_Scripts(); |
731 |
|
732 | script_concat_settings(); |
733 | $wp_scripts->do_concat = $concatenate_scripts; |
734 | $wp_scripts->do_head_items(); |
735 |
|
736 | if ( apply_filters('print_head_scripts', true) ) |
737 | _print_scripts(); |
738 |
|
739 | $wp_scripts->reset(); |
740 | return $wp_scripts->done; |
741 | } |
742 |
|
743 | /** |
744 | * Prints the scripts that were queued for the footer or too late for the HTML head. |
745 | * |