3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $v = ['', 'a', true, 0, 0.0, 3.14]; foreach($v as $t): echo PHP_EOL; echo PHP_EOL; var_dump(gettype($t) . ':' . var_export($t, true), [ '-$t' => -$t, '+$t' => +$t, '!$t' => !$t, '~$t' => ~$t, '$t++' => $t++, '$t--' => $t--, '--$t' => --$t, '++$t' => ++$t]); endforeach;
based on JDe4V
Output for 7.1.0
Warning: A non-numeric value encountered in /in/9GRfK on line 9 Warning: A non-numeric value encountered in /in/9GRfK on line 10 string(9) "string:''" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(true) ["~$t"]=> string(0) "" ["$t++"]=> string(0) "" ["$t--"]=> string(1) "1" ["--$t"]=> int(-1) ["++$t"]=> int(0) } Warning: A non-numeric value encountered in /in/9GRfK on line 9 Warning: A non-numeric value encountered in /in/9GRfK on line 10 string(10) "string:'a'" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(false) ["~$t"]=> string(1) "�" ["$t++"]=> string(1) "a" ["$t--"]=> string(1) "b" ["--$t"]=> string(1) "b" ["++$t"]=> string(1) "c" } Fatal error: Uncaught Error: Unsupported operand types in /in/9GRfK:12 Stack trace: #0 {main} thrown in /in/9GRfK on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.14
string(9) "string:''" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(true) ["~$t"]=> string(0) "" ["$t++"]=> string(0) "" ["$t--"]=> string(1) "1" ["--$t"]=> int(-1) ["++$t"]=> int(0) } string(10) "string:'a'" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(false) ["~$t"]=> string(1) "�" ["$t++"]=> string(1) "a" ["$t--"]=> string(1) "b" ["--$t"]=> string(1) "b" ["++$t"]=> string(1) "c" } Fatal error: Uncaught Error: Unsupported operand types in /in/9GRfK:12 Stack trace: #0 {main} thrown in /in/9GRfK on line 12
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
string(9) "string:''" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(true) ["~$t"]=> string(0) "" ["$t++"]=> string(0) "" ["$t--"]=> string(1) "1" ["--$t"]=> int(-1) ["++$t"]=> int(0) } string(10) "string:'a'" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(false) ["~$t"]=> string(1) "�" ["$t++"]=> string(1) "a" ["$t--"]=> string(1) "b" ["--$t"]=> string(1) "b" ["++$t"]=> string(1) "c" } Fatal error: Unsupported operand type for ~ in /in/9GRfK on line 12
Process exited with code 255.
Output for 5.4.0 - 5.6.28
string(9) "string:''" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(true) ["~$t"]=> string(0) "" ["$t++"]=> string(0) "" ["$t--"]=> string(1) "1" ["--$t"]=> int(-1) ["++$t"]=> int(0) } string(10) "string:'a'" array(8) { ["-$t"]=> int(0) ["+$t"]=> int(0) ["!$t"]=> bool(false) ["~$t"]=> string(1) "�" ["$t++"]=> string(1) "a" ["$t--"]=> string(1) "b" ["--$t"]=> string(1) "b" ["++$t"]=> string(1) "c" } Fatal error: Unsupported operand types in /in/9GRfK on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/9GRfK on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/9GRfK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9GRfK on line 3
Process exited with code 255.