3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $strings = array('\s', '\n\t', "abc", 'abc\\\\foo'); foreach ($strings as $str) { $stripped = stripcslashes($str); $rebuilt = addcslashes($stripped, "\\\0\n\t\v\f\a\r\b"); var_dump($str, $str === $rebuilt, $rebuilt); }
based on jL04g
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0beta1
string(2) "\s" bool(false) string(1) "s" string(4) "\n\t" bool(true) string(4) "\n\t" string(3) "abc" bool(false) string(5) "\a\bc" string(8) "abc\\foo" bool(false) string(10) "\a\bc\\foo"