PHP : prev() function
Description
The prev() function is used to fetch the array value in the previous place, pointed by the internal array pointer.
Version
(PHP 4 and above)
Syntax
prev(array_name)
Parameters
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| array_name | The input array. | Required | Array |
Return value
The array value of the previous place in the array, pointed by internal array pointer, or FALSE if there are no more elements.
Value Type : Mixed
*Mixed : Mixed indicates multiple (but not necessarily all) types.
Pictorial Presentation :
Example :
<?php
$val1 = array('Language', 'Math', 'Science', 'Geography');
$cval = current($val1);
echo "$cval <br />";
$cval = next($val1);
echo "$cval <br />";
$cval = next($val1);
echo "$cval <br />";
$cval = prev($val1);
echo "$cval <br />";
?>
Output :
Language
Math
Science
Math
View the example in the browser
See also
