<?php $assocArray = array(); $assocArray[0] = "a"; $assocArray[1] = "b"; $assocArray[2] = "c"; // At some point, remove a no longer needed element and replace it with // a new element at some point later. unset($assocArray[1]); // ... $assocArray[1] = "d"; echo implode(", ", $assocArray); // "a, c, d"
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