wp_print_speculation_rules() │ WP 6.8.0

Prints the speculation rules.

For browsers that do not support speculation rules yet, the script[type="speculationrules"] tag will be ignored.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

null. Nothing (null).

Usage

wp_print_speculation_rules(): void;

Changelog

Since 6.8.0 Introduced.

wp_print_speculation_rules() code WP 7.0

wp-includes/speculative-loading.php 
function wp_print_speculation_rules(): void {
	$speculation_rules = wp_get_speculation_rules();
	if ( null === $speculation_rules ) {
		return;
	}

	wp_print_inline_script_tag(
		(string) wp_json_encode(
			$speculation_rules,
			JSON_HEX_TAG | JSON_UNESCAPED_SLASHES
		),
		array( 'type' => 'speculationrules' )
	);
}