PHP | CachingIterator setFlags() Function

The CachingIterator::setFlags() function is an inbuilt function in PHP which is used to set the flags for the CachingIterator object.

Syntax:

void CachingIterator::setFlags( int $flags )

Parameters: This function accepts a single parameter $flags which holds the value of bitmask of the flags to set.

Return Value: This function does not return any value.

Below programs illustrate the CachingIterator::setFlags() function in PHP:



Program 1:

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<?php
     
// Declare an array
$arr = array('G', 'e', 'e', 'k', 's');
     
// Create a new CachingIterator
$cachIt = new CachingIterator(
    new ArrayIterator($arr), 
    CachingIterator::FULL_CACHE
);
  
$cachIt->setFlags(128);
  
// Get the flag
$flag = $cachIt->getFlags();
  
// Display the flag
var_dump($flag);
  
?>

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Output:

int(128)

Program 2:

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<?php
     
// Declare an ArrayIterator
$arr = array(
    "a" => "Geeks",
    "b" => "for",
    "c" => "Geeks",
    "d" => "Computer",
    "e" => "Science",
    "f" => "Portal"
);
   
// Create a new CachingIterator
$cachIt = new CachingIterator(
    new ArrayIterator($arr), 
    CachingIterator::FULL_CACHE
);
   
// Set the flags
$cachIt->setFlags(512);
  
// Get the flag
$flag = $cachIt->getFlags();
   
// Display the flag value
var_dump($flag);
  
?>

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Output:

int(512)

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




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