dolphin/single-functions/starts-with.php

<?php
/**
 *  dolphin. Collection of useful PHP skeletons.
 *  Copyright (C) 2019  Johannes 'Banana' Keßler
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
 *
 * You should have received a copy of the
 * COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
 * along with this program.  If not, see http://www.sun.com/cddl/cddl.html
 */

/**
 * check if a string starts with a given string
 *
 * @param string $haystack
 * @param string $needle
 * @return boolean
 */
function startsWith($haystack, $needle) {
	$length = strlen($needle);
	return (substr($haystack, 0, $length) === $needle);
}

?>