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PHP CachingIterator __construct () Function

Syntax:
public CachingIterator::__ construct (Iterator $iterator, int  $flags = self::CALL_TOSTRING)
Parameters:This function takes two parameters as above and described below:
  • $iterator:this parameter contains the cache iterator.
  • $flags:this parameter contains the flags bitmask.
Return value:This function does not return any value.The following programs illustrate the CachingIterator::__ construct() function in PHP:Program 1:  
// Declare the array $arr = array (
’G’ , ’ e ’ , ’ e’ , ’k’ , ’ s’ );  
// Create a new CachingIterator $cachIt = new CachingIterator ( new ArrayIterator ( $arr ), CachingIterator::FULL_CACHE );  
// Show result foreach ( $cachIt as $element ) { echo $element . "" ; }  
?>
Exit:
G eeks
Program 2:  
// Declare 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 );  
// Show result foreach ( $cachIt as $key = > $value ) { echo $key . "= >" . $value . "" ; }  
?>
Exit:
a = > Geeks b = > for c = > Geeks d = > Computer e = > Science f = > Portal
Link: https://www.php.net /manual/en/cachingiterator.construct.php

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