Can the value of a constant change during the script’s execution? It’s important that a developer knows the powerful features of the language (s)he is working on, and Trait is one of such features. A Trait cannot be instantiated on its own. Traits are a mechanism that allows you to create reusable code in languages like PHP where multiple inheritance is not supported. Then, include “ error_reporting(E_ALL)” in your code to display all types of error messages during the script execution.Įnabling error messages is very important especially during the debugging process as one can instantly get the exact line that is producing the error and can see also if the script in general is behaving correctly. How can you enable error reporting in PHP?Ĭheck if “ display_errors” is equal “on” in the php.ini or declare “ ini_set('display_errors', 1)” in your script. Understanding the fundamentals of the HTTP protocol is very important to have for a PHP developer, and the differences between GET and POST are an essential part of it. Normally GET is used to retrieve data while POST to insert and update.GET allows only ASCII data, POST has no restrictions, binary data are also allowed.GET can handle a maximum of 2048 characters, POST has no such restrictions.GET displays the submitted data as part of the URL, during POST this information is not shown as it’s encoded in the request.What is the difference between GET and POST? We make it easier than ever for software developers and engineers to find great remote jobs. We’ll feature you to great global startups and tech companies hiring remotely so you can land a great remote job in 14 days. If you’re a developer, familiarize yourself with the non-technical interview questions commonly asked in the first round by HR recruiters and the questions to ask your interviewer!Īrc is the radically different remote job search platform for developers where companies apply to you. Engineering Manager Interview Questions.Understanding the error types is very important as they help developers understand what is going on during the development, and what to look out for during debugging.Ĭheck out our entire set of software development interview questions to help you hire the best developers you possibly can. An example of a Fatal error would be accessing a property of a non-existent object or require() a non-existent file. Fatal – this type of error causes a termination of the script execution when it occurs.An example would be include() a file that does not exist. Warnings – more important errors than Notices, however the scripts continue the execution. An example of a Notice would be accessing an undefined variable. Notices – Simple, non-critical errors that are occurred during the script execution.In PHP there are three main type of errors: What are the main error types in PHP and how do they differ? Agli Pançi, Lead Developer of Manoolia and the co-founder of Zero1 Community Albania 5. In my opinion, this will define how good a developer will become in the future. What is the output of the following code: $a = '1' ĭuring the interview of a potential candidate I am aiming to understand how updated they are with the new language features as well as their level of understanding of basic operations. Unset() sets a variable to “ undefined” while unlink() deletes a file we pass to it from the file system. What’s the difference between unset() and unlink()? $_SERVER is the easiest solution, but the candidate can write x line scripts for this question. This question might show you how playful and creative the candidate is because there are many options. How can we get the IP address of the client? They both include a specific file but on require the process exits with a fatal error if the file can’t be included, while include statement may still pass and jump to the next step in the execution. What’s the difference between the include() and require() functions? Try HireAI and hire top developers now → 1. ⚡️ Hire 4x faster with vetted candidates (qualified and interview-ready) ⚡️ Identify top applicants from our network of 250,000+ devs with no manual screening ⚡️ Get instant candidate matches without searching Looking to hire the best remote developers? Explore HireAI, your personal AI recruiter, and see how you can: Need to test a developer’s PHP skills, or have a PHP interview coming up?Ī few of the best developers within our network share their top PHP interview questions, answers, and interview tips to help test a developer’s PHP knowledge and expertise.Īside from the PHP interview questions and answers to know below, don’t forget to brush up on how to answer behavioral interview questions and how to show off other hard skills and soft skills (e.g., cross-cultural communication skills, collaboration skills, time management skills).
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