6 PHP's serialize a sequence of the variable, the variable type and returns a string expression with a structure, but JSON is a lighter, more user-friendly format for interfaces (AJAX, REST, etc.) for data exchange. In fact, both are in a string manner to reflect a data structure. So what difference does it have between them?
We may see the contents of a database or stored in a text file with a long list of seemingly has a special meaning in the text string some old WEB system. We look carefully will find that it has a data type and structure information, but it is not easy to read manual, it is only suitable PHP program reads. PHP's serialize the array is serialized and stored. We assume that there is such an array: