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<?php enum MyStringBackedEnum: string { case STRING = "string"; } $string = MyStringBackedEnum::STRING; print_r((is_a($string, \StringBackedEnum::class, true)) ? 'Is a StringBackedEnum': 'Is not a StringBackedEnum'); print_r("\n"); print_r((is_a($string, \BackedEnum::class, true)) ? 'Is a BackedEnum': 'Is not a BackedEnum');
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Is not a StringBackedEnum Is a BackedEnum
Output for 8.0.1 - 8.0.30
Parse error: syntax error, unexpected identifier "MyStringBackedEnum" in /in/6XCOJ on line 3
Process exited with code 255.
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