buffer pattern sample

buffer.php

<?php

// these could be elements in a db loaded by small chunks into the buffer to avoid having too much memory consumption
$data = range(1, 1000);
$pointer = 0;

$buffer_size = 10; // process just these items per loop
$buffer = array();

do {
    
    // load buffer
    for ($i=0; $i<$buffer_size; $i++)
    {
        $buffer[$i] = $data[$i+$pointer];
    }
    
    if ($buffer)
    {
       // process buffer
       print_r($buffer);
    
       $pointer += $buffer_size;
    }
    
} while (count($data) > $pointer); // do we have items to process?