PHP | ArrayIterator setFlags() Function

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The ArrayIterator::setFlags() function is an inbuilt function in PHP which is used to set the behavior of flags.
Syntax:

void ArrayIterator::setFlags( string $flags )

Parameters: This function accepts single parameter $flags which holds the new ArrayIterator behavior.
Return Value: This function does not return any value.
Below programs illustrate the ArrayIterator::setFlags() function in PHP:
Program 1:

php

<?php
 
// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array('G', 'e', 'e', 'k', 's')
);
 
// Set the flags
$arrItr->setFlags(ArrayIterator::STD_PROP_LIST);
 
// Display the result
var_dump($arrItr->getFlags());
 
?>

Output:

int(1)

Program 2:

php

<?php
    
// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array(
        "a" => "Geeks",
        "b" => "for",
        "c" => "Geeks"
    )
);
 
// Append some elements
$arrItr->append("Computer"); 
$arrItr->append("Science"); 
$arrItr->append("Portal"); 
 
// Set the flags
$arrItr->setFlags(ArrayIterator::ARRAY_AS_PROPS);
 
// Get the flags
var_dump($arrItr->getFlags());
 
?>

Output:

int(2)

Reference: https://www.php.net/manual/en/arrayiterator.setflags.php

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