attachment.php

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<?php

/*
	[DISCUZ!] include/attachment.php - misc attachments' functions
	This is NOT a freeware, use is subject to license terms

	Version: 2.0.0
	Author: Crossday ([e-mail])
	Copyright: Crossday Studio (www.crossday.com)
	Last Modified: 2002/12/5 10:00
*/

function attachicon($type) {
	if(preg_match("/image|^(jpg|gif|png|bmp)\t/", $type)) {
		$attachicon = 'image.gif';
	} elseif(preg_match("/flash|^(swf|fla|swi)\t/", $type)) {
		$attachicon = 'flash.gif';
	} elseif(preg_match("/audio|video|^(wav|mid|mp3|m3u|wma|asf|asx|vqf|mpg|mpeg|avi|wmv)\t/", $type)) {
		$attachicon = 'av.gif';
	} elseif(preg_match("/real|^(ra|rm|rv)\t/", $type)) {
		$attachicon = 'real.gif';
	} elseif(preg_match("/htm|^(php|js|pl|cgi|asp)\t/", $type)) {
		$attachicon = 'html.gif';
	} elseif(preg_match("/text|^(txt|rtf|wri|chm)\t/", $type)) {
		$attachicon = 'text.gif';
	} elseif(preg_match("/word|^(doc)\t/", $type)) {
		$attachicon = 'word.gif';
	} elseif(preg_match("/powerpoint|^(ppt)\t/", $type)) {
		$attachicon = 'powerpoint.gif';
	} elseif(preg_match("/^rar\t/", $type)) {
		$attachicon = 'rar.gif';
	} elseif(preg_match("/compressed|^(zip|arj|arc|cab|lzh|lha|tar|gz)\t/", $type)) {
		$attachicon = 'zip.gif';
	} elseif(preg_match("/octet-stream|^(exe|com|bat|dll)\t/", $type)) {
		$attachicon = 'binary.gif';
	} else {
		$attachicon = 'other.gif';
	}
	$attachicon = "<img src=\"images/attachicon/$attachicon\" align=\"absmiddle\" border=\"0\">";
	return $attachicon;
}

function sizecount($filesize) {
	if($filesize >= 1073741824) {
		$filesize = round($filesize / 1073741824 * 100) / 100 . ' G';
	} elseif($filesize >= 1048576) {
		$filesize = round($filesize / 1048576 * 100) / 100 . ' M';
	} elseif($filesize >= 1024) {
		$filesize = round($filesize / 1024 * 100) / 100 . ' K';
	} else {
		$filesize = $filesize . ' bytes';
	}
	return $filesize;
}

?>