The ArrayIterator::__construct() function is an inbuilt function in PHP which is used to construct an ArrayIterator.
Syntax:
public ArrayIterator::__construct( mixed $array, int $flags = 0 )
Parameters: This function accepts two parameters as mentioned above and described below:
- $array: This parameter holds the array or array of object iterator.
- $flag: This parameter holds the flat to control the behavior of the ArrayIterator object.
Return Value: This function returns the ArrayIterator object.
Below programs illustrate the ArrayIterator::__construct() function in PHP:
Program 1:
php
<?php // Declare an ArrayIterator $arrItr = new ArrayIterator(
array ( 'G' , 'e' , 'e' , 'k' , 's' , 'f' , 'o' , 'r' ),
ArrayIterator::ARRAY_AS_PROPS
); // Display the elements while ( $arrItr ->valid()) {
echo $arrItr ->current();
$arrItr ->next();
} ?> |
Output:
Geeksfor
Program 2:
php
<?php // Declare an ArrayIterator $arrItr = new ArrayIterator(
array ("Geeks", " for ", "Geeks"),
ArrayIterator::STD_PROP_LIST
); // Display the elements foreach ( $arrItr as $key => $val ) {
echo $key . " => " . $val . "\n";
} ?> |
Output:
0 => Geeks 1 => for 2 => Geeks
Reference: https://www.php.net/manual/en/arrayiterator.construct.php