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<?php enum TestEnum: string { case X = 'x'; } var_dump(\is_a(TestEnum::class, \StringBackedEnum::class, true)); var_dump(\is_a(TestEnum::class, \BackedEnum::class, true));
Output for 8.1.17 - 8.1.34, 8.2.4 - 8.2.30, 8.3.5 - 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
bool(false) bool(true)
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.
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109.79 ms | 407 KiB | 5 Q