Answers for "what is serialization in php"

php serialize()

php array to be storable value in $_SESSION:
 serialize($array)
  serialized array element to be output on page:
unserialize($serializedArray)

php array serialize

//If you plan to serialize and store it in file or database use below syntax
//to safely serialize
$safe_string_to_store = base64_encode(serialize($multidimensional_array));

//to unserialize...
$array_restored_from_db = unserialize(base64_decode($encoded_serialized_string));

serialise php

serializing data in  php