Core PHP Programming, Third Edition

Chapter 28. Efficiency and Debugging

Topics in This Chapter

• Optimization

• Measuring Performance

• Optimize the Slowest Parts

• When to Store Content in a Database

• Debugging Strategies

• Simulating HTTP Connections

• Output Buffering

• Output Compression

• Avoiding eval

• Don't Load Extensions Dynamically

• Improving Performance of MySQL Queries

• Optimizing Disk-Based Sessions

• Don't Pass by Reference

• Avoid Concatenation of Large Strings

• Avoid Serving Large Files with PHP-Enabled Apache

• Understanding Persistent Database Connections

• Avoid Using exec, Backticks, and system If Possible

• Use php.ini-recommended

• Don't Use Regular Expressions Unless You Must

• Optimizing Loops

• IIS Configuration

This chapter touches upon some issues of efficiency and debugging, which are more art than science. ...