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function is not described

WP_MatchesMapRegex::_map() private WP 1.0

do the actual mapping

{} It's a method of the class: WP_MatchesMapRegex{}

No Hooks.

Return

String.

Usage

// private - for code of main (parent) class only
$result = $this->_map();

Code of WP_MatchesMapRegex::_map() WP 5.7.2

<?php
private function _map() {
	$callback = array( $this, 'callback' );
	return preg_replace_callback( $this->_pattern, $callback, $this->_subject );
}