1--TEST-- 2Test mb_strtolower() function : basic functionality 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_strtolower') or die("skip mb_strtolower() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : string mb_strtolower(string $sourcestring [, string $encoding]) 11 * Description: Returns a lowercased version of $sourcestring 12 * Source code: ext/mbstring/mbstring.c 13 */ 14 15/* 16 * Test basic functionality of mb_strtolower 17 */ 18 19echo "*** Testing mb_strtolower() : basic functionality***\n"; 20 21$ascii_lower = 'abcdefghijklmnopqrstuvwxyz'; 22$ascii_upper = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; 23$greek_lower = base64_decode('zrHOss6zzrTOtc62zrfOuM65zrrOu868zr3Ovs6/z4DPgc+Dz4TPhc+Gz4fPiM+J'); 24$greek_upper = base64_decode('zpHOks6TzpTOlc6WzpfOmM6ZzprOm86czp3Ons6fzqDOoc6jzqTOpc6mzqfOqM6p'); 25 26echo "\n-- ASCII String --\n"; 27$ascii = mb_strtolower($ascii_upper); 28var_dump($ascii); 29 30if($ascii == $ascii_lower) { 31 echo "Correctly converted\n"; 32} else { 33 echo "Incorrectly converted\n"; 34} 35 36echo "\n-- Multibyte String --\n"; 37$mb = mb_strtolower($greek_upper, 'UTF-8'); 38var_dump(base64_encode($mb)); 39 40if ($mb == $greek_lower) { 41 echo "Correctly converted\n"; 42} else { 43 echo "Incorreclty converted\n"; 44} 45 46echo "Done"; 47?> 48--EXPECTF-- 49*** Testing mb_strtolower() : basic functionality*** 50 51-- ASCII String -- 52string(26) "abcdefghijklmnopqrstuvwxyz" 53Correctly converted 54 55-- Multibyte String -- 56string(64) "zrHOss6zzrTOtc62zrfOuM65zrrOu868zr3Ovs6/z4DPgc+Dz4TPhc+Gz4fPiM+J" 57Correctly converted 58Done 59