PHP unserialize() Function
❮ PHP Variable Handling Reference
Example
Convert serialized data back into actual data:
<?php
$data = serialize(array("Red", "Green", "Blue"));
echo $data
. "<br>";
$test = unserialize($data);
var_dump($test);
?>
Try it Yourself »
Definition and Usage
The unserialize() function converts serialized data back into actual data.
Syntax
unserialize(string, options);
Parameter Values
| Parameter | Description |
|---|---|
| string | Required. Specifies the serialized string |
| options | Optional. Specifies options to be provided to the function, as an associative array. Can be either an array of class names which should be accepted, false to accept no classes, or true to accept all classes. True is default. |
Technical Details
| Return Value: | The converted value. Can be a boolean, integer, float, string, array or object. FALSE, and an E_NOTICE on failure |
|---|---|
| Return Type: | Boolean, integer, float, string, array or object |
| PHP Version: | 4.0+ |
| PHP Changelog: | PHP 7.0: Added the options parameter |
❮ PHP Variable Handling Reference
