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