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<?php $a = (object)[ 'b' => (object)[ 'c' => '0', ], ]; var_dump($a); var_dump(empty($a->b->c)); var_dump(empty($a->b->c->d));
Output for 8.1.34, 8.2.27 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
object(stdClass)#2 (1) { ["b"]=> object(stdClass)#1 (1) { ["c"]=> string(1) "0" } } bool(true) bool(true)
preferences:
63.67 ms | 406 KiB | 5 Q