How do you check if a variable has been set in php?
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How many types of arrays are there in php?
What is the purpose of $_ session?
Is server side a session?
Tell us what does $_cookie means?
What does $this do in php?
What is memcache?
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What is the difference between php4 and php5?
Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?
What are php magic methods/functions?
What is return value in php?
How to create a table to store files?