PHP Array Previous Function
What is prev() Function?
Explanation
The "prev()" function can get the internal pointer to the previous array element
Syntax:
prev(array)
In the above syntax "array" is the array in which the pointer is to be rewinded.
Example :
<?php
$b=array("Grapes","Apple","Cherry");
echo current($b)."<br/>";
echo next($b)."<br/>";
echo prev($b)."<br/>";
?>
Result :
Grapes.
Apple.
Grapes.
In the above example the array "$b" first the current value, then the next value and the previous values are displayed.