PHP | ArrayObject getFlags() Function

Last Updated : 27 Sep, 2019
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The ArrayObject::getFlags() function is an inbuilt function in PHP which is used to get the behavior of flags of the ArrayObject. Syntax: 
int ArrayObject::getFlags( void )
Parameters: This function does not accept any parameters. Return Value: This function returns the behavior flags of the ArrayObject. Below programs illustrate the ArrayObject::getFlags() function in PHP: Program 1: php 
<?php 
// PHP program to illustrate the 
// ArrayObject::getFlags() function 

// Declare an array and convert it into
// array object
$arrObject = new ArrayObject(
    array('Geeks', 'for', 'Geeks')
); 

// Use ArrayObject::getFlags() function
// to get the behavior of flags
$flag = $arrObject->getFlags(); 

var_dump($flag); 

// Set a new flags
$arrObject->setFlags(ArrayObject::ARRAY_AS_PROPS);

// Use ArrayObject::getFlags() function
// to get the behavior of flags
$flag = $arrObject->getFlags(); 

var_dump($flag); 

?>
Output: 
int(0)
int(2)
Program 2: php 
<?php 
// PHP program to illustrate the 
// ArrayObject::getFlags() function 

// Declare an associative array
$arr = array(
    "a" => "Welcome",
    "b" => "to", 
    "c" => "GeeksforGeeks"
); 

// Create array object 
$arrObject = new ArrayObject($arr); 

// Use ArrayObject::getFlags() function
// to get the behavior of flags
$flag = $arrObject->getFlags(); 

var_dump($flag); 

// Set a new flags
$arrObject->setFlags(ArrayObject::STD_PROP_LIST);

// Use ArrayObject::getFlags() function
// to get the behavior of flags
$flag = $arrObject->getFlags(); 

var_dump($flag); 

?>
Output: 
int(0)
int(1)
Reference: https://www.php.net/manual/en/arrayobject.getflags.php

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