3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $secret = 123456; $data = '$secret = 1337'; $q = ".*)/e\0"; preg_replace("/($q)/i", '<em>\\1</em>', $data); var_dump($secret);
Output for 5.4.7 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Null byte in regex in /in/M31FX on line 8 int(123456)
Output for hhvm-3.12.0
Fatal error: Error: Null byte found in pattern in /in/M31FX on line -1
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Error: Null byte found in pattern in /in/M31FX on line 8
Process exited with code 255.
Output for 5.1.0 - 5.4.6
Parse error: syntax error, unexpected '<' in /in/M31FX(8) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: <em>$secret = 1337</em> in /in/M31FX on line 8
Process exited with code 255.
Output for 4.3.11 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '<' in /in/M31FX(8) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: <em>$secret = 1337</em> in /in/M31FX on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '<' in /in/M31FX(8) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: <em>$secret = 1337</em> in /in/M31FX on line 8
Process exited with code 255.
Output for 4.3.5 - 4.3.10
Parse error: parse error, unexpected '<' in /in/M31FX(8) : regexp code on line 1 Fatal error: Failed evaluating code: <em>$secret = 1337</em> in /in/M31FX on line 8
Process exited with code 255.
Output for 4.3.4
Parse error: parse error in /in/M31FX(8) : regexp code on line 1 Fatal error: Failed evaluating code: <em>$secret = 1337</em> in /in/M31FX on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.3
Parse error: parse error in /in/M31FX(8) : regexp code on line 1
Process exited with code 139.
Output for 4.3.0 - 4.3.1
Parse error: parse error, unexpected '<' in /in/M31FX(8) : regexp code on line 1
Process exited with code 139.