Nowadays most web projects have a desktop version site as well as a mobile version site. The web interface is available based on the device the user accessed from. When the user visits the website from a mobile device, they need to be redirected to the mobile website version. To load the website version according to the device, you need to detect the device to check whether the site is accessed from a mobile device or desktop.<\/p>\n
The mobile detect<\/b> feature is very helpful to redirect the user to the mobile website and load the mobile version. If you have mobile-only features and want to hide them on a desktop, device detection helps to do it easily. In this tutorial, we will show you how to detect mobile device in PHP<\/b> and check if the site is accessed from a mobile device with PHP.<\/p>\nDetect Mobile Device using HTTP User Agent in PHP<\/h2>\n
The easiest way to detect mobile device in PHP is to check if the “mobile” word exists in HTTP User Agent. <\/p>\n
\/\/ Check if the \"mobile\" word exists in User-Agent
<\/span>$isMob <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"mobile\"<\/span>));
if(<\/span>$isMob<\/span>){
echo <\/span>'Using Mobile Device...'<\/span>;
}else{
echo <\/span>'Using Desktop...'<\/span>;
}<\/span><\/pre>\nDetect Device and Platform using HTTP User Agent in PHP<\/h2>\n
You can use HTTP_USER_AGENT to check device type (mobile\/tablet\/desktop) and platform (windows\/android\/iOS) using PHP.<\/p>\n
\/\/ Check if the \"mobile\" word exists in User-Agent
<\/span>$isMob <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"mobile\"<\/span>));
<\/span>\/\/ Check if the \"tablet\" word exists in User-Agent
<\/span>$isTab <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"tablet\"<\/span>));
<\/span>\/\/ Platform check
<\/span>$isWin <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"windows\"<\/span>));
<\/span>$isAndroid <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"android\"<\/span>));
<\/span>$isIPhone <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"iphone\"<\/span>));
<\/span>$isIPad <\/span>= <\/span>is_numeric<\/span>(<\/span>strpos<\/span>(<\/span>strtolower<\/span>(<\/span>$_SERVER<\/span>[<\/span>\"HTTP_USER_AGENT\"<\/span>]), <\/span>\"ipad\"<\/span>));
<\/span>$isIOS <\/span>= <\/span>$isIPhone <\/span>|| <\/span>$isIPad<\/span>;
if(<\/span>$isMob<\/span>){
if(<\/span>$isTab<\/span>){
echo <\/span>'Using Tablet Device...'<\/span>;
}else{
echo <\/span>'Using Mobile Device...'<\/span>;
}
}else{
echo <\/span>'Using Desktop...'<\/span>;
}
if(<\/span>$isIOS<\/span>){
echo <\/span>'iOS'<\/span>;
}elseif(<\/span>$isAndroid<\/span>){
echo <\/span>'ANDROID'<\/span>;
}elseif(<\/span>$isWin<\/span>){
echo <\/span>'WINDOWS'<\/span>;
}<\/span><\/pre>\nMobile Device Detection with custom PHP Library<\/h2>\n
If you want in-depth detection, the MobileDetect library (MobileDetect.class.php<\/code>) will help you to detect the mobile device at an advanced level.<\/p>\nThe MobileDetect is a PHP class that detects mobile devices and provides device\/platform related information.<\/p>\n
\n- This library uses HTTP User-Agent to detect mobile device with PHP.<\/li>\n<\/ul>\n
<?php
<\/span>class <\/span>MobileDetect
<\/span>{
<\/span>\/**
* Mobile detection type.
*
* @deprecated since version 2.6.9
*\/
<\/span>const <\/span>DETECTION_TYPE_MOBILE <\/span>= <\/span>'mobile'<\/span>;
<\/span>\/**
* Extended detection type.
*
* @deprecated since version 2.6.9
*\/
<\/span>const <\/span>DETECTION_TYPE_EXTENDED <\/span>= <\/span>'extended'<\/span>;
<\/span>\/**
* A frequently used regular expression to extract version #s.
*
* @deprecated since version 2.6.9
*\/
<\/span>const <\/span>VER <\/span>= <\/span>'([\\w._\\+]+)'<\/span>;
<\/span>\/**
* Top-level device.
*\/
<\/span>const <\/span>MOBILE_GRADE_A <\/span>= <\/span>'A'<\/span>;
<\/span>\/**
* Mid-level device.
*\/
<\/span>const <\/span>MOBILE_GRADE_B <\/span>= <\/span>'B'<\/span>;
<\/span>\/**
* Low-level device.
*\/
<\/span>const <\/span>MOBILE_GRADE_C <\/span>= <\/span>'C'<\/span>;
<\/span>\/**
* Stores the version number of the current release.
*\/
<\/span>const <\/span>VERSION <\/span>= <\/span>'2.8.39'<\/span>;
<\/span>\/**
* A type for the version() method indicating a string return value.
*\/
<\/span>const <\/span>VERSION_TYPE_STRING <\/span>= <\/span>'text'<\/span>;
<\/span>\/**
* A type for the version() method indicating a float return value.
*\/
<\/span>const <\/span>VERSION_TYPE_FLOAT <\/span>= <\/span>'float'<\/span>;
<\/span>\/**
* A cache for resolved matches
* @var array
*\/
<\/span>protected <\/span>$cache <\/span>= array();
<\/span>\/**
* The User-Agent HTTP header is stored in here.
* @var string
*\/
<\/span>protected <\/span>$userAgent <\/span>= <\/span>null<\/span>;
<\/span>\/**
* HTTP headers in the PHP-flavor. So HTTP_USER_AGENT and SERVER_SOFTWARE.
* @var array
*\/
<\/span>protected <\/span>$httpHeaders <\/span>= array();
<\/span>\/**
* CloudFront headers. E.g. CloudFront-Is-Desktop-Viewer, CloudFront-Is-Mobile-Viewer & CloudFront-Is-Tablet-Viewer.
* @var array
*\/
<\/span>protected <\/span>$cloudfrontHeaders <\/span>= array();
<\/span>\/**
* The matching Regex.
* This is good for debug.
* @var string
*\/
<\/span>protected <\/span>$matchingRegex <\/span>= <\/span>null<\/span>;
<\/span>\/**
* The matches extracted from the regex expression.
* This is good for debug.
*
* @var string
*\/
<\/span>protected <\/span>$matchesArray <\/span>= <\/span>null<\/span>;
<\/span>\/**
* The detection type, using self::DETECTION_TYPE_MOBILE or self::DETECTION_TYPE_EXTENDED.
*
* @deprecated since version 2.6.9
*
* @var string
*\/
<\/span>protected <\/span>$detectionType <\/span>= <\/span>self<\/span>::<\/span>DETECTION_TYPE_MOBILE<\/span>;
<\/span>\/**
* HTTP headers that trigger the 'isMobile' detection
* to be true.
*
* @var array
*\/
<\/span>protected static <\/span>$mobileHeaders <\/span>= array(
<\/span>'HTTP_ACCEPT' <\/span>=> array(
<\/span>'matches' <\/span>=> array(
<\/span>\/\/ Opera Mini; @reference: http:\/\/dev.opera.com\/articles\/view\/opera-binary-markup-language\/
<\/span>'application\/x-obml2d'<\/span>,
<\/span>\/\/ BlackBerry devices.
<\/span>'application\/vnd.rim.html'<\/span>