How does php invalidate the code

This article mainly explains "how php makes the code invalid". Interested friends may wish to take a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how php makes the code invalid".

Php makes the code invalid: 1, comment out a single line of PHP code through / / or # symbol; 2, comment out multiple lines of PHP code through / * / symbol.

This article operating environment: windows7 system, PHP7.1 version, DELL G3 computer

How does php invalidate code?

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

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

The second annotation method: also a single-line comment, using the'# 'symbol

The third annotation method: multi-line comments, using the'/ * * / 'symbol, with line breaks in the middle

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