3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); class test { public static int $username; } test::$username = 5;
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/mID4V on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Parse error: syntax error, unexpected 'int' (T_STRING), expecting variable (T_VARIABLE) in /in/mID4V on line 4
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/mID4V on line 2 Parse error: syntax error, unexpected 'int' (T_STRING), expecting variable (T_VARIABLE) in /in/mID4V on line 4
Process exited with code 255.

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