PHP | CachingIterator __construct() Function
Last Updated :
20 Nov, 2019
The CachingIterator::__construct() function is an inbuilt function in PHP which is used to construct a new CachingIterator object for the iterator.
Syntax:
public CachingIterator::__construct( Iterator $iterator, int $flags = self::CALL_TOSTRING )
Parameters: This function accepts two parameters as mentioned above and described below:
- $iterator: This parameter holds the iterator of cache.
- $flags: This parameter holds the bitmask of flags.
Return Value: This function does not return any value.
Below programs illustrate the CachingIterator::__construct() function in PHP:
Program 1:
<?php
$arr = array ( 'G' , 'e' , 'e' , 'k' , 's' );
$cachIt = new CachingIterator(
new ArrayIterator( $arr ),
CachingIterator::FULL_CACHE
);
foreach ( $cachIt as $element ) {
echo $element . " " ;
}
?>
|
Program 2:
<?php
$arr = array (
"a" => "Geeks" ,
"b" => "for" ,
"c" => "Geeks" ,
"d" => "Computer" ,
"e" => "Science" ,
"f" => "Portal"
);
$cachIt = new CachingIterator(
new ArrayIterator( $arr ),
CachingIterator::FULL_CACHE
);
foreach ( $cachIt as $key => $value ) {
echo $key . " => " . $value . "\n" ;
}
?>
|
Output:
a => Geeks
b => for
c => Geeks
d => Computer
e => Science
f => Portal
Reference: https://www.php.net/manual/en/cachingiterator.construct.php
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