When comparing two arrays, what is the difference between == and === ?

What does the array_unshift () function do?

What kind of regular expression does PHP include?

Which is a type of array in PHP?

With the following code, will the word Hello be displayed on screen? Hello

What's the output?

What visibility level will this class property get in PHP5? var $cool = true;

Difference between $message and $$message?

How do you make PHP use a class file without having to require or include it manually?

Which values should be assigned to the variables $a, $b and $c in order for the following script to display the string Hello, World!

Which functions split the string and return the array?