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Do you ever find yourself needing to shorten a string in PHP? Maybe return the first 25 words of a long story? Give this routine a try. It will return the first n words from a string, or the entire string if it is less than n words long.

I needed a way to find the first second of a week and the last second of a week based on a Unix timestamp.
Credit for the previous Sunday goes to Shaun who posted a way to find it on the PHP site for strftime, although I changed his code a little because I'm more comfortable [...]