- unserialize: documentation ( source)
- print_r: documentation ( source)
- serialize: documentation ( source)
<?php
$serialized_array = serialize(array(1234=>"foobar"));
echo "Serialized Array: $serialized_array" . PHP_EOL;
$array = unserialize($serialized_array);
print_r($array);
echo array_key_exists(1234, $array) . PHP_EOL;