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<?php enum Suit: string { case Hearts = 'H'; case Diamonds = 'D'; case Clubs = 'C'; case Spades = 'S'; } $reflection = new ReflectionEnum('Suit'); if ($reflection->isBacked()) { echo $reflection->getBackingType(); } else { // consider as object }
Output for 8.1.0 - 8.1.33, 8.2.29, 8.3.5 - 8.3.28, 8.4.6 - 8.4.14, 8.5.0 - 8.5.1
string
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.0.22
Parse error: syntax error, unexpected identifier "Suit" in /in/dLRMX on line 3
Process exited with code 255.
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80.11 ms | 408 KiB | 5 Q