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run code in 300+ PHP versions simultaneously
<?php const FOO = [ 'apples' => 3, 'bananas' => 4 ]; var_dump(FOO); $x =& FOO; $x[] = 'bar'; var_dump(FOO);
Output for 5.4.0 - 5.4.35
Fatal error: Arrays are not allowed as constants in /in/TmTgK on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/TmTgK on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/TmTgK 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/TmTgK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TmTgK on line 3
Process exited with code 255.
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217.88 ms | 1395 KiB | 125 Q