memory_get_usage

    (PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8)

    memory_get_usage — Returns the amount of memory allocated to PHP

    Descrição

    memory_get_usage(bool$real_usage = false): int

    Returns the amount of memory, in bytes, that's currently being allocated to your PHP script.

    Parâmetros

    real_usage

    Set this to true to get total memory allocated from system, including unused pages. If not set or false only the used memory is reported.

    Nota:

    PHP does not track memory that is not allocated by emalloc()

    Valor Retornado

    Returns the memory amount in bytes.

    Exemplos

    Exemplo #1 A memory_get_usage() example

    <?php
    // This is only an example, the numbers below will
    // differ depending on your system

    echo memory_get_usage() . "\n"; // 36640

    $a = str_repeat("Hello", 4242);

    echo     memory_get_usage() . "\n"; // 57960

    unset($a);

    echo     memory_get_usage() . "\n"; // 36744

    ?>

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