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<?php $x = new StdClass; $x->stuff = 'foo'; var_dump(property_exists($x, "stuff")); var_dump($x->stuff); unset($x->stuff); var_dump(property_exists($x, "stuff")); var_dump($x->stuff);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
bool(true) string(3) "foo" bool(false) Warning: Undefined property: stdClass::$stuff in /in/LfN0l on line 12 NULL
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
bool(true) string(3) "foo" bool(false) Notice: Undefined property: stdClass::$stuff in /in/LfN0l on line 12 NULL
Output for 7.3.32 - 7.3.33
bool(true) string(3) "foo" bool(false) NULL
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