Step Through an Array in PHP
Description
The following code shows how to step Through an Array.
Example
//from www.jav a 2s.c o m
<!DOCTYPE html>
<html>
<body>
<h1>Stepping Through an Array</h1>
<?php
$authors = array( "A", "B", "C", "D" );
echo "<p>The array: " . print_r( $authors, true ) . "</p>";
echo "<p>The current element is: " . current( $authors ) . ".</p>";
echo "<p>The next element is: " . next( $authors ) . ".</p>";
echo "<p>...and its index is: " . key( $authors ) . ".</p>";
echo "<p>The next element is: " . next( $authors ) . ".</p>";
echo "<p>The previous element is: " . prev( $authors ) . ".</p>";
echo "<p>The first element is: " . reset( $authors ) . ".</p>";
echo "<p>The last element is: " . end( $authors ) . ".</p>";
echo "<p>The previous element is: " . prev( $authors ) . ".</p>";
?>
</body>
</html>
The code above generates the following result.
