ArrayObject::setFlags
PHP function
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(PHP 5 >= 5.1.0, PHP 7, PHP 8)
Sets the behavior flags
Description
ArrayObject::setFlags(int $flags): void
Set the flags that change the behavior of the ArrayObject.
Parameters
flagsThe 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.
value constant 1 ArrayObject::STD_PROP_LIST 2 ArrayObject::ARRAY_AS_PROPS
Return Values
Void
Examples
ArrayObject::setFlags() example
php
<?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);
?>The above example will output something similar to:
output
Warning: Undefined property: ArrayObject::$lemons in ...
NULL
int(1)