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:
<?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);   ?> |
Output:
int(128)
Program 2:
<?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);   ?> |
Output:
int(512)
Reference: https://www.php.net/manual/en/cachingiterator.setflags.php
