ArrayObject getIterator() Function in PHP
Last Updated :
22 Mar, 2019
The getIterator() function of the ArrayObject class in PHP is used to create an iterator from an ArrayObject instance. This iterator can be used to iterate through the array of the respective ArrayObject.
Syntax:
ArrayIterator getIterator()
Parameters: This function does not accepts any parameters.
Return Value: This function returns an Iterator from an ArrayObject instance.
Below programs illustrate the above function:
Program 1:
<?php
$arr = array ( "a" => "geeks" , "b" => "are" , "c" => "awesome" );
$arrObject = new ArrayObject( $arr );
$itr = $arrObject ->getIterator();
while ( $itr ->valid()) {
echo $itr ->key(). ' => ' . $itr ->current(). "\n" ;
$itr ->next();
}
?>
|
Output:
a => geeks
b => are
c => awesome
Program 2:
<?php
$arr = array ( "a" => "Welcome" , "b" => "2" , "d" => "GFG" );
$arrObject = new ArrayObject( $arr );
$itr = $arrObject ->getIterator();
while ( $itr ->valid()) {
echo $itr ->key(). ' => ' . $itr ->current(). "\n" ;
$itr ->next();
}
?>
|
Output:
a => Welcome
b => 2
d => GFG
Reference: http://php.net/manual/en/arrayobject.getiterator.php
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