When you put UTF-8 encoded strings into an XML document you should remember that not all UTF-8 characters are accepted in an XML document http://www.w3.org/TR/REC-xml/#charsets You should strip away the invalid characters, else you’ll have an XML fatal parsing error tossed during parsing. It’s rather easy to accomplish this using the following function.

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The architecture for an application I created for a client required a method to auto-load a set of widgets (aka: individual PHP scripts) located in the “widgets” directory on the server.  This solution worked perfectly.

Of course, you can enhance this script by refactoring it into a function and adding additional filters to allow… Read More


Recently I needed to take a list of URL’s from a database and present them in an HTML table.  I needed to split the list into an equal number of list items per column in the table. The PHP script function below accepts a single array of items which could be URL’s, words, phrases, or… Read More


These days taking advantage of Search Engine Optimization (SEO) by packing the URL with a string of words is commonplace but not all strings are safe to use in a URL.  The following PHP script function will prepare your string for use in a URL.

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When you have the need to do a little house cleaning on your storage system programmatically you can use PHP’s glob() and array_map() functions to make easy work of this. In this example, we are going to find all text files in “some/dir/” and unlink (aka: delete) them. The PHP glob() function gets us our list of… Read More


The PHP glob() function returns an array of filenames or directories matching a specified pattern. This function returns an array of files or directories or FALSE on failure. Syntax:  glob(pattern,flags) Example:

The output of the code above could be:

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It’s always good practice to validate the uploads that you allow from the end-user are not exceeding your application or system limitations. Here is an example of how to check if an uploaded file exceeds the default limit value held in your php.ini configuration.

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