How to invalidate code in php

php method to invalidate the code: 1. Comment out a single line of PHP code through the // or # symbol; 2. Comment out multiple lines of PHP code through the /* */ symbol.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php How to invalidate the code?

In PHP, you can use comment symbols to invalidate PHP code. Single-line comments can use // or # symbols, and multi-line comments can use /* */ symbols.

The first comment method: use double slashes '//' as a single-line comment

The second comment method: also a single-line comment, is to use '#' symbol

The third comment method: multi-line comment, use the '/**/' symbol, and you can break the line in the middle

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