PHP: Search and replace function

search_replace.php

<?php
/**
 * Search and replaces text.
 *
 * @param String $text Text to be replaced
 * @param Array $args Key value pairs representing search and replace respectively
 * @return String Text with search and replace applied.
 */
function search_and_replace( $text = '', $args = [ ] ) {
	if ( empty( $args ) || ! array( $args ) ) return $text;
	foreach ( $args as $search => $replace ) {
		if ( false !== strpos( $text, $search ) ) {
			$text = str_replace( $search, $replace, $text );
		}
	}
	return $text;
}