My Blog http://rewiv.com/blog My Personal Blog Fri, 09 Apr 2010 20:22:47 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Finding Extensions in PHP without Reading the Mime Type http://rewiv.com/blog/2009/12/12/finding-extensions-in-php-without-reading-the-mime-type/ http://rewiv.com/blog/2009/12/12/finding-extensions-in-php-without-reading-the-mime-type/#comments Sat, 12 Dec 2009 23:19:56 +0000 Eric http://rewiv.com/blog/?p=26 For all you geeks, finding an extension, cross platform, because application/type doesn’t always work with $_FILES['file']['type'] cross platform.

The mime information is read differently, I ran into this problem on unix when somebody uploaded a pdf edited on a windows machine.

function findExt($f) {
$var = $f;
$explode = explode('.', $var);
$num = count($explode);
$ext = strtolower($explode[$num - 1]);
return $ext;

return substr(strrchr($f, '.'), 1);
}

Then call it as;

if(in_array(findExt($file), $acceptedArray)) {
// Do Something
} else {
// Do something else
}
]]> http://rewiv.com/blog/2009/12/12/finding-extensions-in-php-without-reading-the-mime-type/feed/ 0 Restricting an input field to only numbers with preg_match_all() (PHP) http://rewiv.com/blog/2009/05/07/restricting-an-input-field-to-only-numbers-with-preg_match_all-php/ http://rewiv.com/blog/2009/05/07/restricting-an-input-field-to-only-numbers-with-preg_match_all-php/#comments Thu, 07 May 2009 21:12:09 +0000 Eric http://rewiv.com/blog/?p=15 This is a pretty easy way to restrict a field to only numbers.
The \D in the preg match is short for [^0-9], which will match all characters, except 0-9.
I’m new to the regex, so there might be a better way to do this. But this works for me.


I like to do all the validating on the server side, just in case someone has javascript disabled.

<?php
	if(isset($_POST['submit'])) {

		preg_match_all("/\D/i", $_POST['number'], $matches);

		if(!$matches[0][0]) {

			print("Your right " . $_POST['number'] . " is a number!");
				exit;

		}
		else {

			print("That is not a number!");
			exit;
		}

	}

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
	<title>Preg Match All</title>
	<meta http-equiv="content-type" content="text/html;charset=utf-8" />
	<meta name="generator" content="Geany 0.18svn" />
</head>

<body>
	<form id="preg_match_all" name="preg_match_all" method="post" action="<?php $_SERVER['PHP_SELF']; ?>">
		Enter a Number : <input type="text" name="number" />
		<input type="submit" value="submit" name="submit" />
	</form>
</body>
</html>
]]> http://rewiv.com/blog/2009/05/07/restricting-an-input-field-to-only-numbers-with-preg_match_all-php/feed/ 0 How to install your Linksys WMP110 wireless card on linux http://rewiv.com/blog/2008/09/08/how-to-install-your-linksys-wmp110-wireless-gn-card-on-linux/ http://rewiv.com/blog/2008/09/08/how-to-install-your-linksys-wmp110-wireless-gn-card-on-linux/#comments Mon, 08 Sep 2008 23:20:04 +0000 Eric http://www.rewiv.com/blog/?p=1 I run Ubuntu, but I imaging it would probably be the same for most distributions.
Install ndiswrapper, use your repos package search. On Ubuntu it is already installed.



yum search ndiswrapper

or

aptitude search ndiswrapper.

If you need to build from source, check out this post.

Download the driver files here. You can also snag them from the cd that comes with your Linksys card.


tar -jxvf ar5416.tar.bz2
cd ar5416
ndiswrapper -i net5416.inf

Not sure if you have to use all three of these, but I do just cause it makes me feel better.


ndiswrapper -m
ndiswrapper -mi
ndiswrapper -ma

then


sudo modprobe -r ndiswrapper
sudo modprobe ndiswrapper

This is what worked for me.

Hope it works for you.

]]> http://rewiv.com/blog/2008/09/08/how-to-install-your-linksys-wmp110-wireless-gn-card-on-linux/feed/ 2