PHP 7 Zend Certification Study Guide: Ace the ZCE 2017-PHP Exam

© Andrew Beak 2017

Andrew BeakPHP 7 Zend Certification Study Guidehttps://doi.org/10.1007/978-1-4842-3246-0_7

7. Data Formats and Types

Andrew Beak^1 

(1)

Grafham, Cambridgeshire, UK

 

This chapter is split into six broad areas:

• XML
• SOAP
• REST web services
• JSON
• Date and time
• PHP SPL data structures

Although this topic is not one of the three high importance areas for the Zend exam, you can expect to be asked a couple of relatively detailed questions from this section.

XML

XML stands for eXtensible Markup Language and is a way to store data in a structured manner. An advantage of using XML is that it is a well recognized data standard and so is a convenient way to exchange data between systems.

In the industry, there has been a shift away from XML and ...