PHP team collaboration process and code review mechanism following PSR2 and PSR4 specifications

PHP team collaboration process and code review mechanism following PSR2 and PSR4 specifications

Overview:
In a PHP team, in order to improve the readability of the code , maintainability and scalability, it is very important to follow PHP code specifications. This article will introduce how to follow the PSR2 and PSR4 specifications to establish an efficient PHP team collaboration process and code review mechanism, and provide some specific code examples.

1. PSR2 specification
PSR2 specification defines the coding style and formatting requirements of PHP code, including indentation, bracket spacing, line length, etc. Here are some common rules:

1. Use 4 spaces for indentation.
2. Each line of code should not exceed 80 characters.
3. Use Unix-style newlines (
   ).
4. Add spaces before parentheses, but not inside parameter lists for function calls and control structures.
5. The brackets of the control structure are on the same line as the first line of code, and there is no space before the brackets.
6. Add spaces between operators, but do not add spaces for commas, semicolons, etc.

Team collaboration process:
During the team collaboration process, each member is required to conduct self-checks before submitting code to ensure that their code follows the PSR2 specification. A consistent code style can be achieved through the automatic formatting function of the IDE or code editor.

Code review mechanism:
Code review is an effective method that can identify potential problems and provide suggestions for improvement. The following is an example of a simple code review process:

1. Self-review before code submission: Each developer should review his or her own code before submitting it to ensure that the code is of high quality and conforms to specifications.
2. Selection of code reviewers: Select experienced and technically capable members from the team to serve as code reviewers.
3. Code review process: The reviewer reviews the submitted code to check whether it complies with the PSR2 specification, whether the code logic is correct, whether there are performance issues, etc. Reviewers can use some tools to assist in the review, such as using code static analysis tools for inspection.
4. Provide feedback and improvement suggestions: The reviewer provides feedback and improvement suggestions to the developer based on the review results. Communicate using notes, email, or online collaboration tools.
5. Developers correct the code: The developer corrects the code based on the reviewer's feedback and suggestions, and submits the corrected code again.
6. Recording and tracking of review results: Record the results of the review and suggestions for improvement. You can use tools to track the review process and record issues.

Code sample:
The following is a sample code for a simple PHP class that demonstrates how to follow the PSR2 specification:

<?php

namespace App;

class Calculator
{
    protected $precision;

    public function __construct($precision = 2)
    {
        $this->precision = $precision;
    }

    public function add($a, $b)
    {
        return round($a + $b, $this->precision);
    }

    public function subtract($a, $b)
    {
        return round($a - $b, $this->precision);
    }
}

The above sample code follows the indentation rules, line length PSR2 specifications such as limits and bracket spacing.

Summary:
Following the PSR2 and PSR4 specifications can improve the consistency and readability of PHP code, effectively improving team collaboration and code quality. Through team collaboration processes and code review mechanisms, we can better ensure consistent code quality among team members and provide opportunities for mutual learning and improvement. I believe that on the basis of following the specifications, the team's code quality will be significantly improved.

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