Archive for the ‘PHP’ Category

Here is a code to detect weather the visitor if your webpage is using ie or not:

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if (isset($_SERVER['HTTP_USER_AGENT']) && 
    (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false)) 
	{
	echo "You are using ie";
	}  
	else { 
	echo "You are not using ie"; 
	}

I am using this simple PHP code while developing HybridPass, a new authentication tool for web applications. My Javascript is only compatible with ie at the moment, so until I develop it more to support other browsers it is important to give my visitors the right feedback.

array_rand can be used to select a list of values randomly. This helped me to code a server side script to display a random grid of pictures as part of a project. These pictures changes every time the page is requested or refreshed.

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Charset Problem

The image above is showing part of a small hack I coded for a phpBB board to show topics from selected sections. Those question marks were suppose to be Arabic letters, but after a recent update to phpBB the hack failed to use the board config file to connect so I had to set up my own direct connection to the DB.

The connection was fine, but I got “?????” instead of something I can read in Arabic. After some tests I figured out, though the MySQL DB is using UTF-8 as a character set, which means it can handle the language efficiently, I had to set the character set to UTF-8 via PHP for every query using the following code:

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mysql_query("SET CHARACTER SET utf8");

What is even better is setting the character set at once with a single line of code for the whole connection by using the following code:

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