Hướng dẫn php read large file - php đọc tệp lớn

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// formatBytes is taken from the php.net documentation

memory_get_peak_usage[];

function formatBytes[$bytes, $precision = 2] {
    $units = array["b", "kb", "mb", "gb", "tb"];

    $bytes = max[$bytes, 0];
    $pow = floor[[$bytes ? log[$bytes] : 0] / log[1024]];
    $pow = min[$pow, count[$units] - 1];

    $bytes /= [1