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<?php $a = [0 => 1, 1=>3, 2=> 6]; print_r($a); $o = new stdClass(); foreach($a as $key => $value){ $o->$key = $value; } $a = (array)$o; print_r($a); foreach ($a as $key => $id) { unset($a[$key]); } print_r($a);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => 1 [1] => 3 [2] => 6 ) Array ( [0] => 1 [1] => 3 [2] => 6 ) Array ( )
Output for 5.6.38, 7.0.33, 7.1.0 - 7.1.33
Array ( [0] => 1 [1] => 3 [2] => 6 ) Array ( [0] => 1 [1] => 3 [2] => 6 ) Array ( [0] => 1 [1] => 3 [2] => 6 )

preferences:
143.62 ms | 407 KiB | 5 Q