The ArrayIterator::rewind() function is an inbuilt function in PHP which is used to rewind the array back to the start.
Syntax:
void ArrayIterator::rewind( void )
Parameters: This function does not accept any parameters.
Return Value: This function does not return any value.
Below programs illustrate the ArrayIterator::rewind() function in PHP:
Program 1:
<?php // Declare an ArrayIterator $arrItr = new ArrayIterator( array( "a" => 4, "b" => 2, "g" => 8, "d" => 6, "e" => 1, "f" => 9 ) ); // Move to last position $arrItr->seek(5); // Display the next value var_dump($arrItr->next()); // Move to start position $arrItr->rewind(); // Display the current element echo $arrItr->current(); ?> |
Output:
NULL 4
Program 2:
<?php // Declare an ArrayIterator $arrItr = new ArrayIterator( array( "b" => "for", "a" => "Geeks", "e" => "Science", "c" => "Geeks", "f" => "Portal", "d" => "Computer" ) ); // Check the validity of ArrayIterator while($arrItr->valid()) { $arrItr->next(); } // Move to start position $arrItr->rewind(); // Display the current element echo $arrItr->current(); ?> |
Output:
for
Reference: https://www.php.net/manual/en/arrayiterator.rewind.php
