The AppendIterator::current() function is an inbuilt function in PHP which is used to get the current value.
Syntax:
mixed AppendIterator::current( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the current value if it is valid or NULL otherwise.
Below programs illustrate the AppendIterator::current() function in PHP:
Program 1:
<?php // Declare an ArrayIterator $arr1 = new ArrayIterator( array ( 'G' , 'e' , 'e' , 'k' , 's' ));
// Create a new AppendIterator $itr = new AppendIterator;
// Append the ArrayIterator element $itr ->append( $arr1 );
// Display the current element of iterator var_dump( $itr ->current());
// Use AppendIterator::next() function to // move into next element $itr ->next();
// Display the current element of iterator var_dump( $itr ->current());
?> |
Output:
string(1) "G" string(1) "e"
Program 2:
<?php // Declare an 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 );
foreach ( $itr as $key => $val ) {
var_dump( $itr ->current());
} ?> |
Output:
string(5) "Geeks" string(3) "for" string(5) "Geeks" string(8) "Computer" string(7) "Science" string(6) "Portal"
Reference: https://www.php.net/manual/en/appenditerator.current.php