Advanced advice to help PHP programmers improve program code

Since it started modestly about two decades ago, PHP programming has experienced a rapid rise, and it has become the most popular programming language for all web applications. Many websites are powered by PHP scripting code while the majority of web projects and scripts rely on this common language for their development.

Because of the immense popularity of this development language, it seems impossible for any PHP programmer to say that he lacks basic working knowledge of PHP. In this tutorial, we aim to help those who are in the learning stage of this programming language, ready to roll up their sleeves and let their hands get dirty in this language. These simple software tips will help speed up the efficiency of the development process while making the code cleaner, responsive and delivering optimum performance levels.

Apply a cheat sheet for SQL Injection: SQL Injection can prove to be a really bad thing. This is a security exploit where an intruder can dive into your database by making the most of a security vulnerability in programming code. MySQL database is commonly applied in PHP scripting code, so realizing things to avoid can be really helpful if you are planning to write secure code.

You are able to distinguish comparison operators: an integral part of PHP programming is comparison factors. However, some programmers are not adept at sorting the difference between them as they should. In fact, many documents claim the fact that most programmers are unable to determine the difference between comparison operators at first sight! Failure to tell the difference between "==" and "===" is a great stain on the reputation of any programmer.

Prefer str_replace () to preg_replace () and ereg_replace (): As far as overall efficiency is concerned, str_replace () proves to be more effective compared to some regular string expressions that replace expressions. In fact, stats indicate that str_replace () improves code efficiency by up to 61% compared to some regular expressions like preg_replace () and ereg_replace (). However, if your program icon includes only regular expressions, preg_replace () and ereg_replace () will prove to be much faster and more efficient than the str_replace () function.

Using triple operators: Instead of just using the if / else statement in your PHP programming code, consider using the triple operator. It is effective in providing a large area of ​​fonts to improve the reading of your programs. The icon looks less clustered and easy to scan in the future for any unexpected errors. However, be sure not to have more than one triple operator in one statement. Often times, PHP is confused with regard to its course of action in such cases.

Using the PHP framework: It appears that using the PHP framework is impossible for every project you create. However, using these frameworks like CodeIgniter, Symfony, Zend and CakePHP helps reduce the time to develop a website dramatically. The web framework is usually a program that combines much-needed functionality, which helps speed up the development process. By allowing a framework to address all of the recurring tasks required for website programming, you can work on the development process at a much faster rate. The less coding you have to care for, the fewer the test and error correction requirements will allow you to speed up the overall process.

Correctly take advantage of the damping factor: The @ symbol is usually the damping factor. Put it in front of the PHP expression and it will simply direct all errors in this specific manifest to show themselves. This is a very useful variable if you have doubts about a value but do not want to appear when running the script. Many PHP programmers often use this error-prevention factor incorrectly. The @ operator is unusually slow and can be somewhat expensive if you plan to write code taking into account frequent performance. While there are alternative ways to avoid errors resulting from the use of the @ operator, they may lead to occasional side effects and should only be used in areas where they cannot affect other areas of the code.

Instead of using strlen, choose isset: if you plan to implement a function that checks string length, choose use isset instead of strlen. Isset allows your job call to operate five times faster than other jobs. Also note that by using the version, you can get a valid connection functionality even if a variable doesn't exist.

Although this is a minor change, it adds a smaller and faster code, similar to all of the above tips we have provided in this article.

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