Appendix B. Security
| B.1 | Filter input | 503 |
| B.2 | Escape output | 505 |
| B.3 | Cross-site scripting | 506 |
| B.4 | SQL Injection | 507 |
| B.5 | Session fixation | 509 |
| B.6 | More information | 510 |
| B.7 | Summary | 510 |
Security is an incredibly important topic in the field of web application development. As a PHP developer, you’re going to be responsible for the security of your PHP code, and your applications are sure to be the target of frequent attacks. This appendix tries to give a basic introduction to get you started on the right foot, so that you can learn strategies and techniques for secure PHP programming.
It also shows a few of the most common and dangerous attacks currently facing PHP developers, such as cross-site scripting (XSS) and SQL injection. You’ll see how these ...
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