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PHP Quiz PHP CertificatePHP 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);
?>
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br />";
echo next($people) . "<br />";
echo prev($people);
?>
The output of the code above will be:
Peter
Joe
Peter
Joe
Peter
Complete PHP Array Reference
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