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Browser Detection and Appropriate CSS Generation
At any rate, here's my browser detection library. Just require() it at the top of your
page and you'll be able to call the slick functions to generate browser-specific HTML.
<?php
//
// SourceForge: Breaking Down the Barriers to Open Source Development
// Copyright 1999-2000 (c) The SourceForge Crew
// http://sourceforge.net
//
// $Id: tim20000821.php3,v 1.2 2001/05/22 19:22:47 tim Exp $
unset ($BROWSER_AGENT);
unset ($BROWSER_VER);
unset ($BROWSER_PLATFORM);
function browser_get_agent () {
global $BROWSER_AGENT;
return $BROWSER_AGENT;
}
function browser_get_version() {
global $BROWSER_VER;
return $BROWSER_VER;
}
function browser_get_platform() {
global $BROWSER_PLATFORM;
return $BROWSER_PLATFORM;
}
function browser_is_mac() {
if (browser_get_platform()=='Mac') {
return true;
} else {
return false;
}
}
function browser_is_windows() {
if (browser_get_platform()=='Win') {
return true;
} else {
return false;
}
}
function browser_is_ie() {
if (browser_get_agent()=='IE') {
return true;
} else {
return false;
}
}
function browser_is_netscape() {
if (browser_get_agent()=='MOZILLA') {
return true;
} else {
return false;
}
}
/*
Determine browser and version
*/
if (ereg( 'MSIE ([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version)) {
$BROWSER_VER=$log_version[1];
$BROWSER_AGENT='IE';
} elseif (ereg( 'Opera ([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version)) {
$BROWSER_VER=$log_version[1];
$BROWSER_AGENT='OPERA';
} elseif (ereg( 'Mozilla/([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version)) {
$BROWSER_VER=$log_version[1];
$BROWSER_AGENT='MOZILLA';
} else {
$BROWSER_VER=0;
$BROWSER_AGENT='OTHER';
}
/*
Determine platform
*/
if (strstr($HTTP_USER_AGENT,'Win')) {
$BROWSER_PLATFORM='Win';
} else if (strstr($HTTP_USER_AGENT,'Mac')) {
$BROWSER_PLATFORM='Mac';
} else if (strstr($HTTP_USER_AGENT,'Linux')) {
$BROWSER_PLATFORM='Linux';
} else if (strstr($HTTP_USER_AGENT,'Unix')) {
$BROWSER_PLATFORM='Unix';
} else {
$BROWSER_PLATFORM='Other';
}
/*
//debug code
echo "\n\nAgent: $HTTP_USER_AGENT";
echo "\nIE: ".browser_is_ie();
echo "\nMac: ".browser_is_mac();
echo "\nWindows: ".browser_is_windows();
echo "\nPlatform: ".browser_get_platform();
echo "\nVersion: ".browser_get_version();
echo "\nAgent: ".browser_get_agent();
*/
?>
