What is the purpose of using array_pop in the given PHP code, and what potential issues can arise from its usage?

The purpose of using array_pop in the given PHP code is to remove the last element from an array. However, a potential issue that can arise from its usage is that if the array is empty, calling array_pop will return null and may lead to unexpected behavior in the code. 

// Fix for potential issue with array_pop
if (!empty($array)) {
    array_pop($array);
}

Keywords

array_pop PHP code purpose potential issues usage

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