wp-includes/script-loader.php:2278Prints the script queue in the HTML head on the front end.
string[]One hook fires while wp_print_head_scripts() runs, in this order:
Fires before scripts in the $handles queue are printed.
function wp_print_head_scripts() { global $wp_scripts; if ( ! did_action( 'wp_print_scripts' ) ) { /** This action is documented in wp-includes/functions.wp-scripts.php */ do_action( 'wp_print_scripts' ); } if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { return array(); // No need to run if nothing is queued. } return print_head_scripts();}Introduced in 2.8.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
array to string[].verified against sourcesrc/wp-includes/script-loader.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.