Retrieves the rewrite rules.

Description Description

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.

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Return Return

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

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More Information 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.

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Source Source

File: wp-includes/class-wp-rewrite.php

	public function wp_rewrite_rules() {
		$this->rules = get_option( 'rewrite_rules' );
		if ( empty( $this->rules ) ) {
			$this->matches = 'matches';
			if ( ! did_action( 'wp_loaded' ) ) {
				add_action( 'wp_loaded', array( $this, 'flush_rules' ) );
				return $this->rules;
			update_option( 'rewrite_rules', $this->rules );

		return $this->rules;

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Changelog Changelog

Version Description
1.5.0 Introduced.

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