As a PHP developer, it is essential to possess familiarity with front-end technologies such as HTML, CSS, and Javascript. Proficiency in working with commonly used third-party APIs such as Google, Facebook, and Youtube is also expected. Additionally, strong analytical skills and effective time management abilities are crucial. Excellent communication and problem-solving skills are also necessary for the role.

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Let's be very biased about this answer ...

1. Strong knowledge of procedural programming theory.

... and more about object-based programming. Without using programming languages, you are not a professional.

2. Strong knowledge of using PHP.net documents.

I think some people know PHP expressions and definitions 100%, you don't need to know. You need to know where to find gaps in your data and how to interpret documents.

There will come a time when you need to explain something about how PHP works with your partner and using documentation will help a lot.

3. Security.

How to prevent a first or second level database attack? How do you prevent XSS attacks? Mastering PHP begins with professional training and integration to store code, databases and file systems.

4. Keep going

A professional can move from error code to troubleshooting, even in unfamiliar frameworks. You fear problems and in return you will find your way.

Learn how to troubleshoot var_dump () and print_r (), create test plans and always know where your error.log file is!

5. Release technique.

This makes it easier when you irritate the OOP, but generates reusable code while keeping values ​​in the variables, not hard coding ... This is an exercise that professionals should do do it on the go, no later.

6. Distinguish between code and html

At least real professionals continue to mix HTML and PHP. It is bad practice to confuse "outsider" with "model" or "control" code. What brings us ...

7. WordPress

Most of the websites you work on are likely to use WordPress. A professional must know how to leave a WordPress template in everything ... here and there ... appreciate and ideally the extra details as well.

Of course, depending on your website how likely you are to use it, you may be more likely to use Drupal or Magento, and the like.

8. Strange things

Ultimately, of course, the strangest and strangest things we know about PHP (and love?) Should be different in nature until you become a professional developer. You need to know clearly why this file_gate_text failed or why there was an error in your mysql application. PHP has a special nature and you have to adapt to it.