The serialize() function in PHP

The function serialize() encodes the variable value passed into a special string, the function returns the encoded string.

Note: the function serialize() can be used with an array of data.

Syntax

Syntax: serialize( $var);

In which :

• $var is the variable to be converted.

For example

$var = array(

    "laravel",

    2017,

    "css",

    "blogdev.net"

);

$varSerialize = serialize($var);

echo "<pre>";

print_r($varSerialize);

echo "</pre>";

Result

a:4:{i:0;s:3:"laravel";i:1;i:2017;i:2;s:3:"css";i:3;s:12:"blogdev.net";}

Reference: php.net