How can I prevent sql-injection in php?
What is $_ files in php?
What is trim function in php?
How to make database connection in php?
In php, objects are they passed by value or by reference?
Is php coding easy?
How to write the form tag correctly for uploading files?
How error handling is being handled by php?
What are the differences between php3 and php4 and php5? What is the current stable version of php? What advance thing in php7?
What is data abstraction in php?
What is cookie?
Where is session id stored?
how to get substring of string without using substr() function in php ????