Tell me how can we determine whether a php variable is an instantiated object of a certain class?
What language is similar to php?
What is polymorphism?
What is the maximum size of a table in mysql?
> symbol is used to redirect the output of a command. State Whether True or False?
What is xss and csrf?
What are the functions to be used to get the image's properties (size, width and height)?
How to take a substring from a given string?
How to pass an argument to a function?
Why do we use interface in php?
How to protect special characters in query string?
how to include a datepicker in a form using php and mysql
code to see the priview of the image which is being uploaded (after browising the image... just click priview ... how it will be visible...before uploading)