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<?php class MyClass {} interface MyInterface {} trait MyTrait {} enum MyEnum {} echo 'Checking for "MyClass"', PHP_EOL; var_dump(class_exists('MyClass')); var_dump(interface_exists('MyClass')); var_dump(trait_exists('MyClass')); var_dump(enum_exists('MyClass')); echo 'Checking for "MyInterface"', PHP_EOL; var_dump(class_exists('MyInterface')); var_dump(interface_exists('MyInterface')); var_dump(trait_exists('MyInterface')); var_dump(enum_exists('MyInterface')); echo 'Checking for "MyTrait"', PHP_EOL; var_dump(class_exists('MyTrait')); var_dump(interface_exists('MyTrait')); var_dump(trait_exists('MyTrait')); var_dump(enum_exists('MyTrait')); echo 'Checking for "MyEnum"', PHP_EOL; var_dump(class_exists('MyEnum')); var_dump(interface_exists('MyEnum')); var_dump(trait_exists('MyEnum')); var_dump(enum_exists('MyEnum'));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Checking for "MyClass" bool(true) bool(false) bool(false) bool(false) Checking for "MyInterface" bool(false) bool(true) bool(false) bool(false) Checking for "MyTrait" bool(false) bool(false) bool(true) bool(false) Checking for "MyEnum" bool(true) bool(false) 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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