PHP | AppendIterator __construct() Function
The AppendIterator::__construct() function is an inbuilt function in PHP which is used to construct an AppendIterator.
Syntax:
public AppendIterator::__construct( void )
Parameters: This function does not accept any parameters.
Return Value: This function does not return any value.
Below programs illustrate the AppendIterator::__construct() function in PHP:
Program 1:
<?php
$arr1 = new ArrayIterator( array ( 'G' , 'e' , 'e' , 'k' , 's' ));
$arr2 = new ArrayIterator( array ( 'f' , 'o' , 'r' ));
$arr3 = new ArrayIterator( array ( 'G' , 'e' , 'e' , 'k' , 's' ));
$itr = new AppendIterator;
$itr ->append( $arr1 );
$itr ->append( $arr2 );
$itr ->append( $arr3 );
foreach ( $itr as $key => $val ) {
echo $key . " => " . $val . PHP_EOL;
}
?>
|
Output:
0 => G
1 => e
2 => e
3 => k
4 => s
0 => f
1 => o
2 => r
0 => G
1 => e
2 => e
3 => k
4 => s
Program 2:
<?php
$arr1 = new ArrayIterator( array ( "Geeks" , "for" , "Geeks" ));
$arr2 = new ArrayIterator( array ( "Computer" , "Science" , "Portal" ));
$itr = new AppendIterator;
$itr ->append( $arr1 );
$itr ->append( $arr2 );
foreach ( $itr as $key => $val ) {
echo $key . " => " . $val . PHP_EOL;
}
?>
|
Output:
0 => Geeks
1 => for
2 => Geeks
0 => Computer
1 => Science
2 => Portal
Reference: https://www.php.net/manual/en/appenditerator.construct.php
Last Updated :
21 Nov, 2019
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