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    ArrayObject::setFlags

    (PHP 5 >= 5.1.0, PHP 7)

    ArrayObject::setFlags — Sets the behavior flags.

    설명

    public void ArrayObject::setFlags ( int $flags )

    Set the flags that change the behavior of the ArrayObject.

    인수

    flags

    The new ArrayObject behavior. It takes on either a bitmask, or named constants. Using named constants is strongly encouraged to ensure compatibility for future versions.

    The available behavior flags are listed below. The actual meanings of these flags are described in the predefined constants.

    ArrayObject behavior flags
    value constant
    1 ArrayObject::STD_PROP_LIST
    2 ArrayObject::ARRAY_AS_PROPS

    반환값

    값을 반환하지 않습니다.

    예제

    Example #1 ArrayObject::setFlags() example

    <?php
    // Array of available fruits
    $fruits = array("lemons" => 1, "oranges" => 4, "bananas" => 5, "apples" => 10);

    $fruitsArrayObject = new ArrayObject($fruits);

    // Try to use array key as property
    var_dump($fruitsArrayObject->lemons);
    // Set the flag so that the array keys can be used as properties of the ArrayObject
    $fruitsArrayObject->setFlags(ArrayObject::ARRAY_AS_PROPS);
    // Try it again
    var_dump($fruitsArrayObject->lemons);
    ?>

    위 예제의 출력:

    NULL
int(1)

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