How to remove white spaces from the beginning and/or the end of a string in php?
Can php run without server?
What is constructors and destructors?
How to get the ip address of the client?
How to restrict the number of users login ? For ex:- if the allowed login is 10, for 11th user, the application should restrict them from login.
What is the scope of a variable defined in a function?
What is the difference between include and include_once ? Which is one is good in terms of performance ?
Explain how can we increase the execution time of a php script?
How do I update php?
List data types in PHP?
Explain about PHP filter and why it should be used?
When you will get the error "Cannot add header information"?
Are php variables global?