Sjoerd Maessen blog

PHP and webdevelopment

Archive for January, 2010

Limit the number of newlines in a string

without comments

A very short blog post this time. I often use the following short function to limit the number of breaks/newlines in comments that people can submit on a news article or other user input. You can easily limit the number of characters in a comment by using the PHP strlen function, but the comment can still use a lot of vertical space on your website if the user uses 5 breaks in his comment. See the function below to prevent this type of comments:
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Written by Sjoerd Maessen

January 28th, 2010 at 10:44 pm

Posted in Regexp

Tagged with , , ,

Using the Google currency converter

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For a project I’m working, I needed to get shipping rates from the UPS API (a blog post about this will follow soon).

The problem I ran into was that the UPS API returns the shipping rates with the currency of the country where the rates for are asked, so you can’t force it to always return the rates in EUR.

One solution to convert the prices is to make a very big array with all currency rates in it. I then would maintain the array every day at 9’o clock to check if the rates weren’t changed. Right, that’s not an option.
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Written by Sjoerd Maessen

January 11th, 2010 at 8:56 pm

Posted in API

Tagged with ,