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run code in 300+ PHP versions simultaneously
<?php $str = "yorman"; $str[0] = "ab"; $str[1] = "cd"; echo $str; echo "\n"; $hrr = ""; $hrr[0] = "santi"; $hrr[1] = "ago"; print_r( $hrr );

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53.79 ms | 402 KiB | 5 Q