What are the interview questions in PHP for freshers?

What are the interview questions in PHP?

Top 100 PHP Interview Questions and Answers (2022 Update)

  • What is PHP? …
  • What do the initials of PHP stand for? …
  • Which programming language does PHP resemble? …
  • What does PEAR stand for? …
  • What is the actually used PHP version? …
  • How do you execute a PHP script from the command line?

Why do you want to work for PHP?

Framework Availability: One of the most important reasons for popularity of PHP is the availability of frameworks. PHP frameworks like Symfony, Laravel, Zend, etc. support code reusability. This reusability allows you to quickly develop application with minimum errors.

What are PSRS choose 1 and briefly describe it in PHP?

The PHP Standard Recommendation (PSR) is a PHP specification published by the PHP Framework Interoperability Group (PHP-FIG). It serves the standardization of programming concepts in PHP. The aim is to enable interoperability of components. The PHP-FIG is formed by several PHP frameworks founders.

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Which programming language does PHP parallel to?

4. Describe which programming language does PHP parallel to? The PHP syntax relates Perl and C.

What is PHP interview question and answer?

1. Differentiate between variables and constants in PHP

Variables Constants
The value of a variable can be changed during the execution. The constant value can’t be changed during script execution.
Variables require compulsory usage of the $ sign at the start. No dollar sign ($) is required before using a constant.

Is PHP front end or backend?

PHP is a programming language for back end development only. JavaScript, in turn, was initially designed as a front end development language. But with the introduction of Node.

What are the 3 Scope levels available in PHP?

What are the 3 scope levels available in PHP and how would you define them?

  • Private – Visible only in its own class.
  • Public – Visible to any other code accessing the class.
  • Protected – Visible only to classes parent(s) and classes that extend the current class.

What is PHP full form?

PHP is a general-purpose scripting language geared towards web development. … PHP originally stood for Personal Home Page, but it now stands for the recursive initialism PHP: Hypertext Preprocessor.

What are cookies in PHP?

A cookie in PHP is a small file with a maximum size of 4KB that the web server stores on the client computer. They are typically used to keep track of information such as a username that the site can retrieve to personalize the page when the user visits the website next time.

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What are PHP variables?

What is Variable in PHP. Variables are used to store data, like string of text, numbers, etc. … PHP automatically converts the variable to the correct data type, depending on its value. After declaring a variable it can be reused throughout the code. The assignment operator ( = ) used to assign value to a variable.

What are the common uses of PHP?

Common uses of PHP

  • PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them.
  • PHP can handle forms, i.e. gather data from files, save data to a file, through email you can send data, return data to the user.

What does PHP standard for?

Similar to Java Specification Request for Java, it serves the standardization of programming concepts in PHP. … The aim is to enable interoperability of components and to provide a common technical basis for implementation of proven concepts for optimal programming and testing practices.

Is Go faster than PHP?

GoLang has better performance than PHP. There are hundreds of benchmarks that test PHP and GoLang in various situations and most of them, GoLang is a clear winner. On top of this, there is also the feeling of Go being faster while developing — tests run faster, memory is used more efficiently, CPU usage is lower.

Is PHP case sensitive?

In PHP, variable and constant names are case sensitive, while function names are not.

Is PHP concurrent?

To put it simply, concurrency means the execution of multiple tasks over a period of time. PHP runs in a single thread, which means that at any given moment there is only one bit of PHP code that can be running. … So, it is the coordination of concurrency that makes our job difficult.

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