iis7_rewrite_rule_exists

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Summery Summery

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

Syntax Syntax

iis7_rewrite_rule_exists( string $filename )

Parameters Parameters

$filename

(Required) The file path to the configuration file

Return Return

(bool)

Source Source

File: wp-admin/includes/misc.php

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;
	} else {
		return true;
	}
}

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Changelog
Version Description
2.8.0 Introduced.

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