Which PHP function sends a raw HTTP header to a client?

Which will return the value of current session id?

What separates a sequence of one or more characters used to specify the boundary between separate text regions?

Which compound type is supported by PHP?

echo substr('Hello world',-4); the right output is?

The break statement ends execution of which structure?

Which function of String object splits a String object into an array of strings by separating the string into substrings?

Which is not a JavaScript datatype?

Output of code? function testfoo() { return { test: 1 }; } alert(typeof testfoo());

Which function of Array object returns a string representing the array and its elements?

Polymorphism is also known as