3v4l.org

run code in 300+ PHP versions simultaneously
<?php enum Shapes { case RECTANGLE; case SQUARE; case CIRCLE; case OVAL; } foreach (Shapes::cases() as $shape) { echo $shape->name . "\n"; }
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
RECTANGLE SQUARE CIRCLE OVAL
Output for 8.0.1 - 8.0.30
Parse error: syntax error, unexpected identifier "Shapes" in /in/pJDeb on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'Shapes' (T_STRING) in /in/pJDeb on line 3
Process exited with code 255.
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