One of the biggest problems in the use of scheduled jobs via the Unix cron is remembering the syntax for scheduling individual jobs. The phpCrontab Tutorial tool allows the user to input preferred timeframes for the associated command, and will produce a line that can be copied/pasted straight into your crontab.
It is a function that splits any array to many pages. Easy to configure number of maximum items per page. Very simple to use, then it writes both your array and a Page navigaton bar automatically. New version 1.2 supports result template, document title.
A very easy tutorial with code included that shows you how to convert keyboard chars input to icon or image output. For instance how to make :) a smiley face.