Top 5 PHP Interview Questions to Learn in 2020

Posted by codingtag on November 12th, 2019

Are you preparing for a career in PHP development? Then we have prepared this blog for you which consist of most likely PHP Interview Questions to be asked during the interview. 

1.       Differentiate between echo () and print ().

Both echo () and print () statements in PHP are used to give the output for the code executed. The only difference is that while echo () can take multiple expressions as input, print() cannot. Also, while print gives the output as true or false, echo doesn’t.

2.       What is Zend engine?

Zend engine is a compiler for PHP which loads the scripts into memory and compiles it as Zend OPCodes. The code is then executed and the HTML which has been generated is sent to the client.

3.       Name some of the latest features introduced by PHP7.

Some of the latest features in PHP7 are:

•          Improved performance and 64bit integer windows support
•          AST-based compilation
•          Null coalesce operator
•          Return type declarations
•          Scalar type
•          Added closure::calls
•          Uniform Variable Syntax
•          Unicode codepoint escape syntax
•          Multi-platform Bitwise shift consistency

4.       What is Memcache?

Memcache refers to a modern technology that is used to cache objects into the memory which can be used by web applications to executed them fast and efficiently.

5.       What do you mean by MIME in PHP?

MIME stands for Multi-purpose Internet Mail Extensions which is used to classify the types of mail over the network. Through MIME types, the different types of files can be transferred over the internet, irrespective of the operating systems.

If you want to prepare thoroughly for the interview, you can also Learn PHP Online through our online platform.