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run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); $a->{'0'} = 'a'; $a->{'1'} = 'a'; var_dump((array)$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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(2) { [0]=> string(1) "a" [1]=> string(1) "a" }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
array(2) { ["0"]=> string(1) "a" ["1"]=> string(1) "a" }

preferences:
226.36 ms | 402 KiB | 403 Q