Does php program occupy memory?

Want to know how much memory the PHP script you write takes up?

#It’s very simple, just use PHP function memory_get_usage() to view the memory currently allocated to the PHP script. PHP memory_get_usage() function can also have a parameter, $real_usage. (Recommended learning: PHP video tutorial)

Excellent PHP code should be structured. Large sections of code should be divided into functions and methods, and those small and inconspicuous sections of code should be commented so that their purpose can be made clear in the future.

And the front-end code such as HTML, CSS, Javascript, etc. should be separated from the program as much as possible. PHP's object-oriented programming features can help programmers organize their code in an orderly manner.

Excellent PHP code should be standardized. Whether it's setting naming rules for variable and function names, standardizing reusable processes such as database operations and error handling, or as simple as specifying how code should be indented, these standardizations can make the code more readable. Readability is greatly improved.

Excellent PHP code should be adaptive. PHP has many features such as magic quotes and short tags. Turning these features on and off will affect the running of the program. Therefore, a good programmer should add appropriate statements to his code so that the program can adjust according to the environment.

Excellent PHP code should be safe. Although PHP is an efficient and flexible language with no fixed framework, it leaves security issues to programmers.

A deep understanding of potential security vulnerabilities, such as cross-site scripting (XSS), cross-site request forgery (CSRF), code injection vulnerabilities, character encoding loop vulnerabilities, etc., is essential for today’s professional programmers Critical.

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