This article here is a simple comparison of the use of PHP array current and Next, although the example is simple, but for us to understand current and next is very helpful, recommended here.
1.current
The code is as follows:
<?php
$transport = Array (' foot ', ' bike ', ' car ', ' plane ');
$mode = current ($transport); $mode = ' foot ';
$mode = Next ($transport); $mode = ' bike ';
$mode = current ($transport); $mode = ' bike ';
$mode = prev ($transport); $mode = ' foot ';
$mode = End ($transport); $mode = ' plane ';
$mode = current ($transport); $mode = ' plane ';
?>
2.next
The code is as follows:
<?php
$transport = Array (' foot ', ' bike ', ' car ', ' plane ');
$mode = current ($transport); $mode = ' foot ';
$mode = Next ($transport); $mode = ' bike ';
$mode = Next ($transport); $mode = ' car ';
$mode = prev ($transport); $mode = ' bike ';
$mode = End ($transport); $mode = ' plane ';
?>
The example is simple, but very practical, I hope the small friends can enjoy.