WP_Rewrite::wp_rewrite_rules(): string[]

Retrieves the rewrite rules.


The difference between this method and WP_Rewrite::rewrite_rules() is that this method stores the rewrite rules in the ‘rewrite_rules’ option and retrieves it. This prevents having to process all of the permalinks to get the rewrite rules in the form of caching.


string[] Array of rewrite rules keyed by their regex pattern.

More Information

It returns the array of rewrite rules as in rewrite_rules(), but using $matches[xxx] in the (where xxx is a number) instead of the normal mod_rewrite backreferences, $xxx (where xxx is a number). This is useful when you’re going to be using the rules inside PHP, rather than writing them out to a .htaccess file.


public function wp_rewrite_rules() {
	$this->rules = get_option( 'rewrite_rules' );
	if ( empty( $this->rules ) ) {

	return $this->rules;



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