PHP Function: Read Lines Memory Efficiently

function_read_lines_me.php

<?php
/**
 * Read Lines Memory Efficiently
 * @param          $file
 * @param callable $callable
 * @return bool
 */
function read_lines_me($file, callable $callable)
{
    $handle = @fopen($file, "r");
    if(!$handle) return false;
    while (($line = fgets($handle)) !== false) $callable($line);
    @fclose($handle);
    return true;
}