PHP 7 New Features

Learn about the new features, improvements, and changes in PHP 7, including type declarations, new operators, and anonymous classes.

Introduction

• Welcome
• About PHP 7
• How to upgrade to PHP 7

1. Major Features

• Better performance
• Scalar type declarations
• Return type declarations
• Combined comparison operator
• Null coalescing operator
• Anonymous classes

2. Improvements

• Arrays as constants
• Unicode codepoint escape syntax
• Uniform variable syntax
• Catchable exceptions and errors
• Integer division with intdiv()
• Filtered unserialize()
• Grouped imports with use()
• Less frequently used improvements

3. Deprecations and Deletions

• PHP 4 constructors
• Alternative PHP tags
• Time zone warnings
• PHP 5 deprecations

Conclusion

• Next steps