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run code in 300+ PHP versions simultaneously
<?php $arr = [0=>[id=>105, bla=>"sd"], 1=>[id=>300, bla=>"mvk"]]; $fixed = []; foreach ($arr as $a) { $fixed[$a["id"]] = $a; } unset($arr); var_dump($fixed);

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45.24 ms | 402 KiB | 5 Q