PHP - Castouri

Which one of these variables has an illegal name?

Which of the following differences are valid between PHP 4 and PHP 5?

Which function is used to strip whitespace (or other characters) from the beginning and end of a string?

How do I create PHP arrays in a HTML form-Tag

Which operator is used to check if two values are equal and of same data type?

How do you create an array in PHP?

How do you create a cookie in PHP?

What is a correct way to add a comment in PHP?

What is the correct way to add 1 to the $count variable?

Which superglobal variable holds information about headers, paths, and script locations?