Replacement for in_array (for string searches only)

str_in_array.php

<?php
/**
 * @author Fabian Wolf
 * @version 0.2
 * @license LGPL
 * @link http://usability-idealist.de/
 */

if( !function_exists('str_in_array') ) {
	
	function str_in_array( $string, $array, $ignore_case = false ) {
		$return = false;
		
		if( !is_string( $string ) ) { // try to convert given value to string
			switch( gettype($string) ) {
				case 'integer':
				case 'double':
				case 'float':
					$string = (string) "$string";
					break;
				case 'boolean':
					$string = (string) ($string === false ? '1' : '0');
					break;
			}
				
		}
		
		
		
		if( is_string( $string) != false && is_array($array) != false && !empty($array) && !empty($string) ) {
			$needle = $string;
			$haystack = implode(' ', $array);
			
			$result = ( $ignore_case != false ? stripos( $haystack, $needle) : strpos( $haystack, $needle ) );
			
			if($result !== false) {
				$return = true;
			}
			
		}
		
		
		return $return;
	}
}


?>