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<?php $arr = [0 => 1, 1 => 2, 2 => 3]; $obj = (object) $arr; var_dump($obj);
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 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
object(stdClass)#1 (3) { ["0"]=> int(1) ["1"]=> int(2) ["2"]=> int(3) }
Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.25
object(stdClass)#1 (3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }

preferences:
87.31 ms | 407 KiB | 5 Q