3v4l.org

run code in 300+ PHP versions simultaneously
<?php const FOO = match (PHP_INT_SIZE) { 8 => '64bit', 4 => '32bit' }; var_dump(FOO);
Output for 8.0.1 - 8.0.23, 8.1.0 - 8.1.10
Fatal error: Constant expression contains invalid operations in /in/FRO6A on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.30
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/FRO6A on line 3
Process exited with code 255.
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150.28 ms | 996 KiB | 7 Q