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iis7_rewrite_rule_exists › WordPress Function

Since2.8.0
Deprecatedn/a
› iis7_rewrite_rule_exists ( $filename )
Parameters:
  • (string) $filename The file path to the configuration file.
    Required: Yes
Returns:
  • (bool)
Defined at:
Codex:

Checks if rewrite rule for WordPress already exists in the IIS 7+ configuration file.



Related Functions: iis7_add_rewrite_rule, iis7_delete_rewrite_rule, iis7_save_url_rewrite_rules, flush_rewrite_rules, add_rewrite_rule

Source 

function iis7_rewrite_rule_exists( $filename ) {
	if ( ! file_exists( $filename ) ) {
		return false;
	}

	if ( ! class_exists( 'DOMDocument', false ) ) {
		return false;
	}

	$doc = new DOMDocument();

	if ( $doc->load( $filename ) === false ) {
		return false;
	}

	$xpath = new DOMXPath( $doc );
	$rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );

	if ( 0 === $rules->length ) {
		return false;
	}

	return true;
}