<?php class A { public $b; }; $a = new A; echo property_exists($a, 'b'); // Returns '1' $a->b; // Remains silent unset($a->b); echo property_exists($a, 'b'); // Still returns '1' $a->b; // Cause a "Notice: Undefined property A::$b"
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Value for `_results` contains invalid data `array`