Sams Teach Yourself PHP, MySQL® and Apache All in One

Workshop

The workshop is designed to help you anticipate possible questions, review what you've learned, and begin putting your knowledge into practice.

Q&A

Q1:	Are there any other string functions that might be useful to me?
A1:	Yes. PHP has more than 60 string functions! You can read about them all in the PHP online manual at http://www.php.net/manual/ref.strings.php.

Quiz

1:	What conversion specifier would you use with printf() to format an integer as a double? Indicate the full syntax required to convert the integer 33.
2:	How would you pad the conversion you effected in question 1 with zeroes so that the part before the decimal point is four characters long?
3:	How would you specify a precision of two decimal places for the floating-point number ...