Explain what is the use of "echo" in php?
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What is the use of print_r function in php?
Explain what does the unlink() function means?
What is a trait in php?
Which function(s) in PHP computes the difference of arrays?
Which method do you follow to get a record from a million records? (Searching not from database, from an array in php)?
How to close a session properly?
Where session is stored?
What is difference between echo and print in php?
What are the differences between php3 and php4 and php5? What is the current stable version of php? What advance thing in php7?
How is it possible to return a value from a function?
What is difference between require_once(), require(), include()?
How to pass variables and data from php to javascript?