Download Android App in your Android Device from Google Play Store
- Search for "Withoutbook Practice Exam Test" in Mobile/Tablet Play Store

Exams Attended

Mock Exams

Make Homepage

Bookmark this page

Subscribe Email Address

PHP Interview Questions and Answers

Ques 1. When are you supposed to use endif to end the conditional statement?

When the original if was followed by : and then the code block without braces.

Is it helpful? Add Comment View Comments
 

Ques 2. Explain the ternary conditional operator in PHP?

Expression preceding the ? is evaluated, if it's true, then the expression preceding the : is executed, otherwise, the expression following : is executed.
E.g $id = isset($_GET['id']) ? $_GET['id'] : false;

Is it helpful? Add Comment View Comments
 

Ques 3. How do I find out the number of parameters passed into function?

func_num_args() function returns the number of parameters passed in.

Is it helpful? Add Comment View Comments
 

Ques 4. If the variable $a is equal to 5 and variable $b is equal to character a, what's the value of $$b?

100, it's a reference to existing variable.

Is it helpful? Add Comment View Comments
 

Ques 5. What's the difference between accessing a class method via -> and via ::?

:: is allowed to access methods that can perform static operations, i.e. those, which do not require object initialization.

Is it helpful? Add Comment View Comments
 

Most helpful rated by users:

©2020 WithoutBook