The CachingIterator::getFlags() function is an inbuilt function in PHP which is used to get the bitmask of the flags used for this CachingIterator instance.
Syntax:
int CachingIterator::getFlags( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the flags used for this CachingIterator instance.
Below programs illustrate the CachingIterator::getFlags() 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 );   // Get the flag $flag = $cachIt ->getFlags();   // Display the flag var_dump( $flag );   ?> |
int(256)
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 );    // Get the flag $flag = $cachIt ->getFlags();    // Display the flag value var_dump( $flag );   ?> |
int(256)
Reference: https://www.php.net/manual/en/cachingiterator.getflags.php