PHP AppendIterator getIteratorIndex () Function

|
Syntax:
int AppendIterator::getIteratorIndex (void)
Parameters:This function takes no parameters.Return value:This function returns an integer value that is the zero index of the current internal iterator.The following programs illustrate the AppendIterator::getIteratorIndex() function in PHP:Program 1:
// Declare ArrayIterator $arr1 = new ArrayIterator ( array ( " Geeks " , "for"
, "Geeks" )); $arr2 = new ArrayIterator ( array ( " Computer " , " Science " , "Portal" ));
// Create a new AppendIterator $itr = new AppendIterator; $itr -> append ( $arr1 ); $itr -> append ( $arr2 );
// Show items foreach ( $itr as $key = > $val ) { echo " Iterator Index: " . $itr -> getIteratorIndex() . " Key:" . $key . " Value:" . $val . "" ; }
?>
Exit:
Iterator Index: 0 Key: 0 Value: Geeks Iterator Index: 0 Key: 1 Value: for Iterator Index: 0 Key: 2 Value: Geeks Iterator Index: 1 Key: 0 Value: Computer Iterator Index: 1 Key: 1 Value: Science Iterator Index: 1 Key: 2 Value: Portal
Program 2:
// Declare ArrayIterator $arr1 = new ArrayIterator ( array ( "a" = > "Geeks" , "b" = > "for" , "c" = > "Geeks" )); $arr2 = new ArrayIterator ( array ( "x" = > "Computer" , "y" = > " Science " , " z " = > " Portal " ) );
// Create a new AppendIterator $itr = new AppendIterator; $itr -> append ( $arr1 ); $itr -> append ( $arr2 );
// Show items foreach ( $itr as $key = > $val ) { echo " Iterator Index: " . $itr -> getIteratorIndex() . " Key:" . $key . " Value:" . $val . "" ; }
?>
Exit:
Iterator Index: 0 Key: a Value: Geeks Iterator Index: 0 Key: b Value: for Iterator Index: 0 Key: c Value: Geeks Iterator Index: 1 Key: x Value: Computer Iterator Index: 1 Key: y Value: Science Iterator Index: 1 Key: z Value: Portal
Link: https: / /www.php.net/manual/en/appenditerator.getiteratorindex.php

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