3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = json_decode("\u000f\u000f?\u001f\u000f\u000e\u000f\u001e\u00c3"); var_dump($str); $str = preg_replace('/[\x00-\x19\x7f]/', '', $str); var_dump($str);
Output for 5.2.0, 5.2.9 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
NULL string(0) ""
Output for 5.2.1 - 5.2.8
string(49) "\u000f\u000f?\u001f\u000f\u000e\u000f\u001e\u00c3" string(49) "\u000f\u000f?\u001f\u000f\u000e\u000f\u001e\u00c3"
Output for 5.0.0 - 5.1.6
<br /> <b>Fatal error</b>: Call to undefined function json_decode() in <b>/in/jJp2e</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: json_decode() in <b>/in/jJp2e</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: json_decode() in <b>/in/jJp2e</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: json_decode() in <b>/in/jJp2e</b> on line <b>2</b><br />