Which is the correct way to check if a session has already been started ?
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Explain the difference between session and cookies in php?
What is difference between single quotes and double quotes in php?
What is polymorphism in php?
How to create a session? How to set a value in session? How to remove data from a session?
What is the use of nl2br() in php?
What is use of mysqli_query in php?
What is the meaning of php?
How is it possible to set an infinite execution time for php script?
What's the difference between accessing a class method via -> and via ::?
What is the default session time in PHP and how can I change it?
What is the Default syntax used in PHP?
How do you compare strings in java?