PHP Interview Questions For Experienced- PHP ranks among the top languages due to its ability to have a significant impact on the outcome with very little code. This level of efficiency has been required in the industry for the past few years. Companies all over the world are now investing significant funds in hiring skilled PHP developers to fill these shoes and work effectively. These top core PHP Interview Questions For Experienced. And will give you the edge you need to approach the questions effectively. Also, respond to PHP Interview Questions For Experienced concisely.
Here are given bel0w PHP Interview Questions For Experienced:
1. Recognize the distinction between static and dynamic websites.
Static Website
-After the script is executed, the content cannot be changed.
-There is no way to change the content because it is predefined.
Dynamic Websites
– Even during runtime, the content can be changed.
– The content can be easily changed by manipulating and reloading.
2. What is the most common application for PHP?
PHP has numerous applications for developers. The following are some of the most commonly used PHP concepts:
– It is very simple to provide restricted access to the website’s required content using PHP.
– It enables users to access individual cookies and configure them as needed.
– Database manipulation operations like addition, deletion, and modification are simple.
– Form handling, along with features involving file-handling concepts and email integration, is widely used.
– The system module enables users to perform system functions such as opening, reading, and writing.
3. Does PHP support case-sensitive scripting?
This question has two answers: yes and no. Variables and their declarations are case-sensitive in PHP, whereas function names are not.
User-defined functions in PHP, for example, can be defined in uppercase but later referred to in lowercase and still function normally.
Next on the list of PHP interview questions for freshers is to understand what PEAR is.
4. What does PEAR stand for in PHP?
PEAR, or PHP Extension and Application Repository, is an abbreviation. It is one of the frameworks and acting repositories that house all reusable PHP components. Along with some PHP libraries, it also includes a simple interface for automatically installing packages.
5. What are the variable-naming rules you should follow in PHP?
There are two fundamental rules you must follow when naming variables in PHP. They are as follows:
Each variable must be preceded by a letter or underscore.
You cannot use special characters like +, %, -, &, etc.
6. What are the main features of a PHP variable?
Some of the most important aspects of using variables in PHP are as follows:
Variables can be declared before they are assigned values.
The ‘=’ operator is used to assign a variable value.
In PHP, each variable is denoted by a $ (dollar) sign.
A variable’s value is determined by the most recent value assigned to it.
PHP variables are not built-in. There is no explicit statement.