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<?php class Foo { private const BAR = 1; private $bar = 1; private function bar() { } } $foo = new Foo; var_dump(property_exists($foo, 'bar')); var_dump(method_exists($foo, 'bar')); defined('Foo::BAR');
Output for 7.2.16 - 7.2.33, 7.3.3 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
bool(true) bool(true)
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Parse error: syntax error, unexpected 'const' (T_CONST), expecting variable (T_VARIABLE) in /in/7PYOQ on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.15, 7.3.0 - 7.3.2
bool(true) bool(true) Fatal error: Uncaught Error: Cannot access private const Foo::BAR in /in/7PYOQ:20 Stack trace: #0 /in/7PYOQ(20): defined('Foo::BAR') #1 {main} thrown in /in/7PYOQ on line 20
Process exited with code 255.

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