1--TEST-- 2preg_replace() 3--FILE-- 4<?php 5 6var_dump(preg_replace('{{\D+}}', 'x', '{abcd}')); 7var_dump(preg_replace('{{\D+}}', 'ddd', 'abcd')); 8 9var_dump(preg_replace('/(ab)(c)(d)(e)(f)(g)(h)(i)(j)(k)/', 'a${1}2$103', 'zabcdefghijkl')); 10 11var_dump(preg_replace_callback('//e', '', '')); 12 13var_dump(preg_replace_callback('//e', 'strtolower', '')); 14 15?> 16--EXPECTF-- 17string(1) "x" 18string(4) "abcd" 19string(8) "zaab2k3l" 20 21Warning: preg_replace_callback(): Requires argument 2, '', to be a valid callback in %spreg_replace.php on line 8 22string(0) "" 23 24Warning: preg_replace_callback(): Modifier /e cannot be used with replacement callback in %spreg_replace.php on line 10 25NULL 26
