PHP prev() Function

From http://www.w3schools.com (Copyright Refsnes Data)

# PHP prev() Function

Complete PHP Array Reference

## Definition and Usage

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.

## Syntax

    prev(array)

Parameter | Description
--- | ---
array | Required. Specifies the array to use

## Tips and Notes

Note: This function returns FALSE on empty elements or elements with no value.

## Example

    <?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)