3v4l.org

run code in 300+ PHP versions simultaneously
<?php function exception_error_handler($errno, $errstr, $errfile, $errline ) { throw new ErrorException($errstr); } ++$foo; set_error_handler("exception_error_handler"); try { preg_match("/foo(+/", null); echo "+value\n"; } catch (ErrorException $e) { echo "-fail", $e->getMessage(), "\n"; } restore_error_handler(); ++$bar;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $foo in /in/mjQqq on line 6 -failpreg_match(): Passing null to parameter #2 ($subject) of type string is deprecated Warning: Undefined variable $bar in /in/mjQqq on line 18
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $foo in /in/mjQqq on line 6 -failpreg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 4 Warning: Undefined variable $bar in /in/mjQqq on line 18
Output for 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: foo in /in/mjQqq on line 6 -failpreg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 4 Notice: Undefined variable: bar in /in/mjQqq on line 18
Output for 7.3.32 - 7.3.33
-failpreg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 4
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33
Notice: Undefined variable: foo in /in/mjQqq on line 6 -failpreg_match(): Compilation failed: nothing to repeat at offset 4 Notice: Undefined variable: bar in /in/mjQqq on line 18
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: foo in /in/mjQqq on line 6 Fatal error: Class 'ErrorException' not found in /in/mjQqq on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: foo in /in/mjQqq on line 6 Fatal error: Class 'ErrorException' not found in /in/mjQqq on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_NEW in /in/mjQqq on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_NEW in /in/mjQqq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mjQqq on line 3
Process exited with code 255.
preferences:
239.08 ms | 401 KiB | 313 Q