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run code in 300+ PHP versions simultaneously
<?php eval(' class MyException { public function __construct(HH\string $something = ""){ } } ');
Output for 7.0.20, 7.1.5 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Cannot use 'HH\string' as class name as it is reserved in /in/fnCXO(3) : eval()'d code on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.14, 7.1.0
Fatal error: Cannot use 'HH\string' as class name as it is reserved in /in/fnCXO(9) : eval()'d code on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/fnCXO(9) : eval()'d code on line 3
Process exited with code 255.
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176.79 ms | 402 KiB | 259 Q