Which function sets the internal pointer of an array back to its first element?

What's the output? echo ucwords(strtoupper('aAaA bBbB'));

Which rule determines which sections of script are able to access which variables?

Which statement would produce the output, 'I love summer'?

Function to convert the first letter of a string to uppercase?

How do you create a non-public method, which can be used in a child-class?

Which syntax is True about declaring a class definition?

The following functions can be used from Exception class?

To set PDO to raise exceptions, Database errors occur you can use the PDO::SetAttribute method to set your PDO object’s error mode as follows?

Which methods perform aggregate functions on all items in an array?

PHP currently offers following functions for searching strings using POSIX-style regular expressions?