3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static $FLAG_1 = 1; public static $FLAG_2 = 1 << 1; public static $FLAG_3 = 1 << 2; }
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 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 - 8.3.7
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35
Parse error: syntax error, unexpected '<<' (T_SL), expecting ',' or ';' in /in/u7V4a on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_SL, expecting ',' or ';' in /in/u7V4a on line 5
Process exited with code 255.
preferences:
196.41 ms | 401 KiB | 292 Q