What are some common reasons for PHP memory reaching its limit?

Common reasons for PHP memory reaching its limit include inefficient code that uses too much memory, large arrays or objects being created and stored in memory, and recursive functions that consume more memory with each iteration. To solve this issue, you can optimize your code by reducing memory usage, limit the size of arrays or objects being created, and refactor recursive functions to consume less memory. 

// Example of optimizing code to reduce memory usage
// Before optimization
$largeArray = range(1, 1000000); // creating a large array
$sum = array_sum($largeArray); // performing operations on the large array

// After optimization
$sum = 0;
for ($i = 1; $i <= 1000000; $i++) {
    $sum += $i;
}

Keywords

memory_limit memory exhaustion memory management memory leaks recursive functions

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