3v4l.org

run code in 300+ PHP versions simultaneously
<?hh $something = 42; $closure = function (string $str) : int use (&$something) { return strlen($str) + $something; }; $something = 3; echo $closure("hello"); $something = 4; echo $closure("hello");
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?hh $something = 42; $closure = function (string $str) : int use (&$something) { return strlen($str) + $something; }; $something = 3; echo $closure("hello"); $something = 4; echo $closure("hello");
Output for 8.0.13
Parse error: syntax error, unexpected variable "$something" in /in/9EhF8 on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0, 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected '$something' (T_VARIABLE) in /in/9EhF8 on line 3
Process exited with code 255.

preferences:
147.91 ms | 402 KiB | 156 Q