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run code in 200+ php & hhvm versions
<?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()); }
based on YRJUH
Output for 7.1.25 - 7.3.0
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) "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.