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<?php class SomethingMagicAndTerriblyUgly { public $foo = null; private $bar = null; } var_dump((new ReflectionClass(SomethingMagicAndTerriblyUgly::class))->hasProperty('foo')); var_dump((new ReflectionClass(SomethingMagicAndTerriblyUgly::class))->hasProperty('bar')); var_dump((new ReflectionClass(SomethingMagicAndTerriblyUgly::class))->hasProperty('baz'));

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