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Table of Contents
When should I use block comments?
How to write standard PHP block comments?
Common misunderstandings and precautions
Home Backend Development PHP Tutorial Creating PHP Block Comments

Creating PHP Block Comments

Jul 15, 2025 am 02:03 AM
java programming

Writing PHP block comments should be standardized and practical, and is suitable for instructions on large segments of structured code such as functions, classes, and file headers. 1. Usage scenarios include function description, class design intention, complex logical process, copyright information, etc.; 2. The standard format adopts /.../ package, follows the PSR-5 standard, summarizes the first line in one sentence, explains in detail after emptying the line, and uses @param, @return, @throws and other tags to explain the parameters and return values; 3. Practical suggestions include keeping the content concise, aligning and beautiful, avoiding redundancy, and regularly maintaining the consistency of annotations; 4. Common misunderstandings such as inconsistent annotations and code, ignoring the use of tags, and verbose content, you should use the IDE to automatically generate templates to improve efficiency. Standardized block annotations help improve code readability and team collaboration efficiency.

Creating PHP Block Comments

Writing PHP block comments is actually quite simple, but many people are not using them properly or do not play their role. Block Comments are generally used for multi-line explanations, such as descriptions of functions, classes, and file headers. Writing well can not only help you clarify the logic, but also make it easier for others to understand your code.

Creating PHP Block Comments

When should I use block comments?

Block comments are not written casually. They are best used to explain large pieces of code with clear structures , such as the overall function of a function, the design intention of a certain class, or a complicated logic processing flow.

  • Comments before function definition explain the purpose, parameters and return value
  • Write a paragraph at the beginning of the class to explain the role and usage scenarios of this class
  • Copyright information or overall description at the top of the file

In this case, single-line comments appear fragmentary, and block comments can express the content more completely.

Creating PHP Block Comments

How to write standard PHP block comments?

PHP's block comments are wrapped with /* ... */ and support cross-row. In terms of writing, it is recommended to follow the PSR standard (especially PSR-5), so that teams can work more uniformly.

The basic format is as follows:

Creating PHP Block Comments
 /**
 * A brief sentence is written here to explain the function*
 * You can write more detailed instructions here, such as implementation methods, precautions, etc.*
 * @param string $name Username* @return bool Whether it passes the verification*/
function validateUser($name) {
    // ...
}

Some practical suggestions:

  • Write a sentence to summarize the first line, and then explain in detail after the empty line
  • Use @param , @return , @throws and other tags to explain the details
  • Maintain alignment and improve readability
  • Don't write nonsense, such as meaningless content like "This is a function"

Common misunderstandings and precautions

Some students are prone to going astray when writing block notes, which will affect their reading experience. Here are some FAQs and suggestions for improvement:

  • ? The comments and code are inconsistent: the code has been changed but the comments have not been updated, which misleads others.
  • ? Too long-winded: writing things that can be understood by the code itself is unnecessary
  • ? Ignore tags: You can clearly use @param to clearly explain the parameter type, but only write Chinese descriptions
  • ? Reasonable maintenance: Check whether the comments need to be synchronized every time you modify the function
  • ? Template: IDE supports automatic generation of comment templates, such as PhpStorm, you can enter /** and then enter to automatically complete the parameter information.

Basically that's it. It is not difficult to write good block comments, the key is to adhere to and regulate. Don’t underestimate these lines of comments, it may be the first bridge for communication between you and your colleagues.

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