3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = json_encode([new StdClass, "This is a test", "Foo's bar", 1, 5]); $escaped = implode("", array_map(function($char) { if (ctype_alnum($char)) { return $char; } $bytelen = mb_strlen($char, '8bit'); $result = '\\u'; for ($i = 0; $i < $bytelen; $i++) { $result .= str_pad(dechex(ord($char[$i])), 2, '0', STR_PAD_LEFT); } return $result; }, str_split($source, 1))); var_dump($escaped);
Output for git.master, git.master_jit, rfc.property-hooks
string(88) "\u5b\u7b\u7d\u2c\u22This\u20is\u20a\u20test\u22\u2c\u22Foo\u27s\u20bar\u22\u2c1\u2c5\u5d"

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
43.71 ms | 401 KiB | 8 Q