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