1--TEST-- 2Optional long parameter might be null 3--SKIPIF-- 4<?php extension_loaded('mbstring') or die('skip mbstring not available'); ?> 5--FILE-- 6<?php 7echo mb_strpos('abb', 'b', null, 'UTF-8') . "\n"; 8echo mb_strrpos('abb', 'b', null, 'UTF-8') . "\n"; 9echo mb_stripos('abb', 'B', null, 'UTF-8') . "\n"; 10echo mb_strripos('abb', 'B', null, 'UTF-8') . "\n"; 11echo mb_strstr('foobarbaz', 'ba', null, 'UTF-8') . "\n"; 12echo mb_strrchr('foobarbaz', 'ba', null, 'UTF-8') . "\n"; 13echo mb_stristr('foobarbaz', 'BA', null, 'UTF-8') . "\n"; 14echo mb_strrichr('foobarbaz', 'BA', null, 'UTF-8') . "\n"; 15echo mb_substr('foobarbaz', 6, null, 'UTF-8') . "\n"; 16echo mb_strcut('foobarbaz', 6, null, 'UTF-8') . "\n"; 17echo mb_strimwidth('foobar', 0, 3, null, 'UTF-8') . "\n"; 18?> 19==DONE== 20--EXPECT-- 211 222 231 242 25barbaz 26baz 27barbaz 28baz 29baz 30baz 31foo 32==DONE== 33