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Complete PHP Array Reference
The prev() function moves the internal pointer to, and outputs, the previous element in the array.
This function returns the value of the previous element in the array on success, or FALSE if there are no more elements.
prev(array) |
| Parameter | Description |
|---|---|
| array | Required. Specifies the array to use |
Note: This function returns FALSE on empty elements or elements with no value.
<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br />"; echo next($people) . "<br />"; echo prev($people); ?> |
The output of the code above will be:
Peter Joe Peter |
Complete PHP Array Reference
From http://www.w3schools.com (Copyright Refsnes Data)