Chapter 2. Using PHP 7 High Performance Features
In this chapter we will discuss and understand the syntax differences between PHP 5 and PHP 7, featuring the following recipes:
- Understanding the abstract syntax tree
- Understanding differences in parsing
- Understanding differences in
foreach()
handling - Improving performance using PHP 7 enhancements
- Iterating through a massive file
- Uploading a spreadsheet into a database
- Recursive directory iterator
Introduction
In this chapter we will move directly into PHP 7, presenting recipes that take advantage of new high performance features. First, however, we will present a series of smaller recipes that serve to illustrate the differences in how PHP 7 handles parameter parsing, syntax, a foreach()
loop, and other ...
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