In PHP, how do I chunk arrays in a memory-efficient way?

In PHP, you can chunk arrays using the built-in `array_chunk` function. This function splits an array into multiple smaller chunks. However, to manage memory efficiently, especially with large arrays, you might want to process chunks one at a time. Below is an example of how to do this:


        <?php
        function chunkArrayMemoryEfficiently($array, $chunkSize) {
            // Get the total number of elements in the array
            $totalElements = count($array);
            
            // Iterate through the array in chunks
            for ($i = 0; $i < $totalElements; $i += $chunkSize) {
                // Create a chunk of the array
                $chunk = array_slice($array, $i, $chunkSize);
                
                // Process the chunk (you can perform your logic here)
                // For demonstration, we will just print the chunk
                print_r($chunk);
                
                // Clear the chunk for memory efficiency
                unset($chunk);
            }
        }

        // Example array to chunk
        $largeArray = range(1, 1000);
        chunkArrayMemoryEfficiently($largeArray, 100);
        ?>

In PHP, how do I chunk arrays in a memory-efficient way?

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In PHP, how do I chunk arrays in a memory-efficient way?

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