Putting Comments in PHP Programs

The PHP programming language supports three styles of writing comments. They should look familiar if you have worked in C, C++, C#, Java, JavaScript, or Linux/Unix shell scripting. The following types of commenting are supported in PHP:

  • The single-line C++, C#, Java, or JavaScript comment syntax

  • The multiple-line C++, C#, Java, or JavaScript comment syntax

  • The Linux or Unix shell comment syntax

The next sections will demonstrate the various commenting syntaxes supported by the PHP programming language.

Single-Line PHP C++, C#, or Java-Style Comments

You may use a single-line comment to begin a line or to append a comment to a line. Single-line comments may be two forward slashes with no intervening white space. ...

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