3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = json_decode('{"a": "\u000f\u000f?\u001f\u000f\u000e\u000f\u001e\u00c3"}')->a; var_dump(hex($str)); $str = preg_replace('/[\x00-\x19\x7f]/', '', $str); var_dump(hex($str)); function hex($s) { $h = ''; for ($i = 0; $i < strlen($s); $i++) { $h .= dec2hex(ord($s[$i])) . ' '; } return $h; }
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function dec2hex() in /in/cQmQQ:10 Stack trace: #0 /in/cQmQQ(3): hex('\x0F\x0F?\x1F\x0F\x0E\x0F\x1E\xC3\x83') #1 {main} thrown in /in/cQmQQ on line 10
Process exited with code 255.
Output for 5.2.3 - 5.6.28, hhvm-3.10.0 - 3.12.0
Fatal error: Call to undefined function dec2hex() in /in/cQmQQ on line 10
Process exited with code 255.
Output for 5.2.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function dec2hex() in <b>/in/cQmQQ</b> on line <b>10</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.1.6
<br /> <b>Fatal error</b>: Call to undefined function json_decode() in <b>/in/cQmQQ</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_OBJECT_OPERATOR in <b>/in/cQmQQ</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_OBJECT_OPERATOR in <b>/in/cQmQQ</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/cQmQQ</b> on line <b>2</b><br />
Process exited with code 255.