Explain some of the php string functions?
How do you pass a variable by value in php?
Why does php start with variables?
What are the new features in php 7?
What is difference between static and constant?
How can we extract string 'techinterviews.com' from a string 'http://www.techinterviews.com' using regular expression in PHP?
Explain me soundex() and metaphone()?
Which are the best start and end tags to use?
What does $_files means?
Is multiple inheritance supported in php?
Tell me how to strip whitespace (or other characters) from the beginning and end of a string?
What is the current stable version of php? What advance thing in php7?
Why php is used?