What are the potential pitfalls of continuously appending loop results to a variable in PHP?

Appending loop results to a variable in PHP can potentially lead to performance issues and high memory consumption, especially if the loop iterates over a large dataset. To avoid this, consider processing the data within the loop instead of storing all results in a variable. If storing results is necessary, consider using a more efficient data structure like an array instead of concatenating strings. 

// Example of processing data within the loop
$sum = 0;
for ($i = 1; $i <= 1000; $i++) {
    $sum += $i;
}
echo $sum;

Keywords

memory consumption performance concatenation string manipulation optimization

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