Скачать или смотреть Crack Interview on Junior/Middle PHP position | TOP Interview Questions and Answers for PHP

2:42 - What is RFC?
Request for Comments
https://wiki.php.net/rfc

3:06 - What is PSR?
(PHP Standards Recommendations)
https://www.php-fig.org/psr/psr-1/
https://www.php-fig.org/psr/

4:05 - What PHP types do you know?
String
Integer
Float (floating point numbers - also called double)
Boolean
Array
Object
NULL
Resource
https://www.w3schools.com/php/php_dat...

4:26 - What is a session in PHP?
A session in PHP is a way to store information to be used across multiple pages of an entire website. The information is not stored on the user’s computer, unlike cookies. In a temporary directory on the server, a file will be created by the session where registered session variables and their values are stored.
$_SESSION

6:05 - Explain the difference between $message and $$message.

6:55 - What is the difference between “echo” and “print” in PHP?

8:01 - What is the purpose of @ in PHP?
In PHP, @ is used for suppressing error messages. If any runtime error occurs on the line which consists @ symbol at the beginning, then the error will be handled by PHP.

// File error
$file_name = @file ('non_existent_file') or
die ("Failed in opening the file: error: '$errormsg'");

10:07 - What is the meaning of a final method and a final class?

10:32 - What is the difference between the include() and require() functions?

12:45 - What is the use of session_start() and session_destroy() functions in PHP?
The session_start() function is used to start a new session. Also, it can resume an existing session if it is stopped. In this particular case, the return will be the current session if resumed.

Syntax:
session_start();
The session_destroy() function is used to destroy all of the session variables

13:35 - What is the most used method for hashing passwords in PHP?
The crypt() function is used for this functionality as it provides a large number of hashing algorithms that can be used. These algorithms include sha1, sha256, or md5 which are designed to be very fast and efficient

14:07 - Explain the main types of errors.
The 3 main types of errors in PHP are:
Notices: Notices are non-critical errors that can occur during the execution of the script. These are not visible to users. Example: Accessing an undefined variable.
Warnings: These are more critical than notices. Warnings don’t interrupt the script execution. By default, these are visible to the user. Example: include() a file that doesn’t exist.
Fatal: This is the most critical error type which, when occurs, immediately terminates the execution of the script. Example: Accessing a property of a non-existent object or require() a non-existent file

15:20 - What is OOP?
ООP(Object Oriental Programming)

15:29 - Main principles in OOP?
Abstraction
Polymorphism
Inheritance
Encapsulation

17:04 - What the difference between Interface and Abstract class:

18:11 - What is Trait?

19:36 - Magic methods in OOP
__construct(), __destruct(), __call(), __callStatic(), __get(), __set(), __isset(), __unset(), __sleep(), __wakeup(), __serialize(), __unserialize(), __toString(), __invoke(), __set_state(), __clone(), and __debugInfo().
https://www.php.net/manual/en/languag...

21:19 - Differentiate between variables and constants in PHP

22:24 - What is Early and Late binding
   • OOP PHP | Early binding and Late Binding #15  
https://www.php.net/manual/en/languag...

23:13 - What the difference between: Compile time vs Runtime

23:41 - What is Dependecy Injection ?

24:20 - What the difference between static:: vs self:: vs $this ?

26:00 - What is Restful API?

27:16 - What the difference bietween POST vs PUT vs PATCH ?

https://rapidapi.com/blog/put-vs-patch/
https://stackoverflow.com/questions/2...

Reference on Resource
https://www.interviewbit.com/php-inte...

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