Technical interviews, especially those pertaining to a coding job, are quite different from the other interviews. Your assessment in these interviews is based on your coding skills, your logical approach in suggesting a solution and your efficacy in writing the code. Technical interviews can make you nervous and to overcome this anxiousness; you need to be fully prepared.
When it comes to preparation for a PHP interview, you not only have to take care of the practical scenarios; you should also be versed of the theoretical aspects of PHP.
To boost your confidence while preparing for a PHP interview, we have selected a list of PHP interview questions, these top PHP interview questions and Answers are frequently asked by the industry recruiters as they cover the practical as well as theoretical aspects PHP.
Take a look at the PHP interview questions. These questions will cater the need of both freshers and advanced candidates.
Let’s start.
- What is PHP and What is its use.?
PHP stands for Hypertext Preprocessor. It is one of the most popular and widely acknowledged server-side scripting language. It is used to generate the content on the web-page. Some of the key usages are:
- It is used to write and query the database.
- It is used for processing the user inputs.
- It is used to create structured web applications.
- Name some of the popular Content Management Systems (CMS) in PHP.
CMS stands for Content Management System. It facilitates the users to create and modify websites without being versed on the programming.
Most popular CMS these days is WordPress. Some of the other useful and feature rich CMSs are Joomla, Drupal, Shopify, Magento
- What is a PHP framework? Name some popular frameworks in PHP.
PHP frameworks streamline the development of web applications written in PHP by providing an essential structure to build the web application; in other words, PHP framework provides a quick pattern to developing websites. These frameworks follow the MVC pattern. It divides the whole code into three parts as: Modal, View and Controller.
Modal: Represents the backend details and other data.
View: Interacts with the user and serves user requests.
Controller: Works as a mediator between view and modal.
Some most popular PHP frameworks are:
- Laravel
- CodeIgniter
- Symfony
- Zend
- Phalcon
- CakePHP
- Yii
- FuelPHP
- What is meant by variable variables in PHP?
When we use the value stored in one variables as a name of another variable, this is called a variable variables. It is denoted by $$.
CODE:
<?php
$var1 = “php_interview_questions”;
$$var1 = ‘top_20’;
echo $var1.”<br>”;
echo $$var1;
?>
Output:
- Explain some of the PHP string functions.
A PHP string can be a series of letters, numbers, special characters and arithmetic values. It can also be a combination of all. A quotation mark (‘’) is used to define the string and is encloses the string characters.
Here are some of the frequently used string functions:
- PHP String Length Function: strlen()
The PHP strlen() function returns the length of string. It is an inbuilt function of PHP.
CODE:
<?php
$str=”Ram and Shyam are best friends”;
$length=strlen($str);
echo “The length of the given string is : <strong>$length</strong>”;
?>
OUTPUT:
Learn more about strlen() function.
If you are looking for a complete list of top PHP interview questions and answers, you can visit PHP interview questions and answers.
These questions will cater the preparation needs for all the candidates ranging from freshers, intermediator and advanced.
All the best with your preparation.
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