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<?php class Test { private $obj; const MAP = ['testKey' => 'test']; function __construct() { $this->obj = new \stdClass(); $this->obj->test = "testObject"; } public function isKey($name = 'testKey') { var_dump(empty($this->obj->{static::MAP[$name]})); var_dump(empty($this->obj->$name)); } } $t = new Test(); $t->isKey();
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(true)

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