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<?php class Foo { const FOO = 'foo'; } class Bar extends Foo { const BAR = 'bar'; } $barClassReflection = new ReflectionClass(Bar::class); $constants = $barClassReflection->getReflectionConstants(); var_dump($constants); foreach ($constants as $constant) { var_dump($constant->getName()); var_dump($constant->class); var_dump($constant->getDeclaringClass()->getName()); var_dump($constant->class === $constant->getDeclaringClass()->getName()); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array(2) { [0]=> object(ReflectionClassConstant)#2 (2) { ["name"]=> string(3) "BAR" ["class"]=> string(3) "Bar" } [1]=> object(ReflectionClassConstant)#3 (2) { ["name"]=> string(3) "FOO" ["class"]=> string(3) "Foo" } } string(3) "BAR" string(3) "Bar" string(3) "Bar" bool(true) string(3) "FOO" string(3) "Foo" string(3) "Foo" bool(true)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { [0]=> object(ReflectionClassConstant)#2 (2) { ["name"]=> string(3) "BAR" ["class"]=> string(3) "Bar" } [1]=> object(ReflectionClassConstant)#3 (2) { ["name"]=> string(3) "FOO" ["class"]=> string(3) "Foo" } } string(3) "BAR" string(3) "Bar" string(3) "Bar" bool(true) string(3) "FOO" string(3) "Foo" string(3) "Foo" bool(true)
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(2) { [0]=> object(ReflectionClassConstant)#2 (2) { ["name"]=> string(3) "BAR" ["class"]=> string(3) "Bar" } [1]=> object(ReflectionClassConstant)#3 (2) { ["name"]=> string(3) "FOO" ["class"]=> string(3) "Bar" } } string(3) "BAR" string(3) "Bar" string(3) "Bar" bool(true) string(3) "FOO" string(3) "Bar" string(3) "Foo" bool(false)
Output for 7.0.33
Fatal error: Uncaught Error: Call to undefined method ReflectionClass::getReflectionConstants() in /in/f0WZf:16 Stack trace: #0 {main} thrown in /in/f0WZf on line 16
Process exited with code 255.
Output for 5.6.38
Fatal error: Call to undefined method ReflectionClass::getReflectionConstants() in /in/f0WZf on line 16
Process exited with code 255.
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