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run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->{'123'} = '456'; print_r($obj); echo $obj->{'123'},"\n"; $obj->{'a123'} = $obj->{'123'}; print_r($obj); echo $obj->a123,"\n"; $obj->a[] = $obj->{'123'}; $obj->a[] = $obj->{'a123'}; var_dump($obj->a); echo '***' . $obj->a[1],"\n";

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34.21 ms | 402 KiB | 5 Q