What potential problem arises when variables are overwritten in each foreach() loop iteration?

When variables are overwritten in each foreach() loop iteration, the data from the previous iteration may be lost or overwritten. To avoid this issue, you can create a new variable within the foreach loop scope to store the data for each iteration separately. 

$data = [1, 2, 3, 4, 5];

foreach ($data as $value) {
    $newVariable = $value; // Create a new variable within the loop scope
    // Use $newVariable for processing data within this iteration
}

Keywords

PHP foreach loop variable overwriting scope data manipulation

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