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PHP unserialize() Function

PHP unserialize() Function

The unserialize() function in PHP takes a single serialized variable and converts it back into a PHP value.

Syntax

unserialize ( string $str [, array $options ] )

Parameter

value(required)- This parameter represents the serialized string.

options(optional)- This parameter signifies any options to be provided to unserialize().

Return

This function returns the converted value. The value can be a boolean, array, float, integer or string.

Example 1

Output

After the serialize() function...
 a:3:{i:0;s:4:"Java";i:1;s:3:"PHP";i:2;s:6:"Python";}
 After the unserialize() function...
 array(3) {
   [0]=>
   string(4) "Java" 
   [1]=>
   string(3) "PHP"
   [2]=>
   string(6) "Python"
 }

Example 2

Output

a:2:{i:4;s:5:"April";i:5;s:3:"May";}
 After the unserialize() function...
 array(2) {
   [4]=>
   string(5) "April"
   [5]=> 
   string(3) "May"
 }

Example 3

Output

Serialized Array...
 a:4:{s:1:"a";s:2:"Hi";s:1:"b";s:3:"Hey";s:1:"c";s:5:"Hello";s:1:"d";s:7:"Namaste";}
 Unserialized Array...
 a%3A4%3A%7Bs%3A1%3A%22a%22%3Bs%3A2%3A%22Hi%22%3Bs%3A1%3A%22b%22%3Bs%3A3%3A%22Hey%22%3Bs%3A1%3A%22c%22%3Bs%3A5%3A%22Hello%22%3Bs%3A1%3A%22d%22%3Bs%3A7%3A%22Namaste%22%3B%7D

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