Is key in array php?
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Tell me what is the difference between unset() and unlink()?
Tell me how stop the execution of a php scrip?
What is the definition of a session?
Why sessions are used in php?
What are the features and advantages of object-oriented programming?
Tell me how can I display text with a php script?
How to calculate the length of a string?
What is the function file_get_contents() usefull for?
Name some of the functions in php.
What are the security measures we have to take for our site not to hack by others.
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how can i upload only pdf files in my website? files has not a pdf extension mantioned
What is php beginner?