Tell me what does the scope of variables means?
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explain in brief type juggling in php?
What are the uses of implode() function?
How to select a database in php?
How does php and apache work?
What is a php trait?
Is php a programming language?
What are the functions to be used to get the image's properties (size, width and height)?
Which function can be used to exit from the script after displaying the error message?
Explain $_FILES Superglobal Array?
How can I find the colour of a pixel of an image?
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How can you "tell" MySQL server to cache a query?
This question is regarding version control. If two developers are committing the same php file at same time what will happen ? What error it will show (if any) ?