What is scope of variable in php?
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What is happening in the following code $objA = new A(); // A is a class $objB = $objA;
Why do we create an instance of a class in php?
What is new keyword in php?
What is the difference between substr() and strstr()?
What is the difference between mysqli_fetch_object() and mysqli_fetch_array()?
Tell me how would you declare a function that receives one parameter name hello?
What is htmlspecialchars?
Code to upload a file in PHP?
Tell me how to execute an sql query? How to fetch its result?
What is difference between md5 and SHA256?
How to reset/destroy a cookie in php?
How does one prevent the following warning ‘warning: cannot modify header information – headers already sent' and why does it occur in the first place?