ArrayObject::setFlags
(PHP 5 >= 5.1.0)
ArrayObject::setFlags — Sets the behavior flags.
說明
public void ArrayObject::setFlags
( int
$flags
)Set the flags that change the behavior of the ArrayObject.
參數
-
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
回傳值
無回傳值。
範例
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);
?>
上例將輸出：
NULL int(1)
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