public function req_is($type){

        switch(strtolower($type)){
            case 'ajax':
                return (
                    (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest'))       ||
                    (isset($_SERVER["CONTENT_TYPE"]) && stripos($_SERVER["CONTENT_TYPE"],'application/json')!==false)           ||
                    (isset($_SERVER["HTTP_CONTENT_TYPE"]) && stripos($_SERVER["HTTP_CONTENT_TYPE"],'application/json')!==false)
                );
                break;

            case 'mobile':

                $mobileDevices = [
                    'midp','240x320','blackberry','netfront','nokia','panasonic','portalmmm','sharp','sie-','sonyericsson',
                    'symbian','windows ce','benq','mda','mot-','opera mini','philips','pocket pc','sagem','samsung',
                    'sda','sgh-','vodafone','xda','iphone', 'ipod','android'
                ];

                return preg_match('/(' . implode('|', $mobileDevices). ')/i',strtolower($_SERVER['HTTP_USER_AGENT']));
                break;

            case 'post':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'post');
                break;

            case 'get':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'get');
                break;

            case 'put':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'put');
                break;

            case 'delete':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'delete');
                break;

            case 'ssl':
                return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
                break;
        }

        return false;
    }
public function req_is($type){

        switch(strtolower($type)){
            case 'ajax':
                return (
                    (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest'))       ||
                    (isset($_SERVER["CONTENT_TYPE"]) && stripos($_SERVER["CONTENT_TYPE"],'application/json')!==false)           ||
                    (isset($_SERVER["HTTP_CONTENT_TYPE"]) && stripos($_SERVER["HTTP_CONTENT_TYPE"],'application/json')!==false)
                );
                break;

            case 'mobile':

                $mobileDevices = [
                    'midp','240x320','blackberry','netfront','nokia','panasonic','portalmmm','sharp','sie-','sonyericsson',
                    'symbian','windows ce','benq','mda','mot-','opera mini','philips','pocket pc','sagem','samsung',
                    'sda','sgh-','vodafone','xda','iphone', 'ipod','android'
                ];

                return preg_match('/(' . implode('|', $mobileDevices). ')/i',strtolower($_SERVER['HTTP_USER_AGENT']));
                break;

            case 'post':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'post');
                break;

            case 'get':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'get');
                break;

            case 'put':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'put');
                break;

            case 'delete':
                return (strtolower($_SERVER['REQUEST_METHOD']) == 'delete');
                break;

            case 'ssl':
                return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
                break;
        }

        return false;
    }
public function req_is ( $ type ) { switch ( strtolower ( $ type ) ) { case 'ajax' : return ( ( isset ( $ _SERVER [ 'HTTP_X_REQUESTED_WITH' ] ) && ( $ _SERVER [ 'HTTP_X_REQUESTED_WITH' ] == 'XMLHttpRequest' ) ) || ( isset ( $ _SERVER [ "CONTENT_TYPE" ] ) && stripos ( $ _SERVER [ "CONTENT_TYPE" ] , 'application/json' ) !== false ) || ( isset ( $ _SERVER [ "HTTP_CONTENT_TYPE" ] ) && stripos ( $ _SERVER [ "HTTP_CONTENT_TYPE" ] , 'application/json' ) !== false ) ) ; break ; case 'mobile' : $ mobileDevices = [ 'midp' , '240x320' , 'blackberry' , 'netfront' , 'nokia' , 'panasonic' , 'portalmmm' , 'sharp' , 'sie-' , 'sonyericsson' , 'symbian' , 'windows ce' , 'benq' , 'mda' , 'mot-' , 'opera mini' , 'philips' , 'pocket pc' , 'sagem' , 'samsung' , 'sda' , 'sgh-' , 'vodafone' , 'xda' , 'iphone' , 'ipod' , 'android' ] ; return preg_match ( '/(' . implode ( '|' , $ mobileDevices ) . ')/i' , strtolower ( $ _SERVER [ 'HTTP_USER_AGENT' ] ) ) ; break ; case 'post' : return ( strtolower ( $ _SERVER [ 'REQUEST_METHOD' ] ) == 'post' ) ; break ; case 'get' : return ( strtolower ( $ _SERVER [ 'REQUEST_METHOD' ] ) == 'get' ) ; break ; case 'put' : return ( strtolower ( $ _SERVER [ 'REQUEST_METHOD' ] ) == 'put' ) ; break ; case 'delete' : return ( strtolower ( $ _SERVER [ 'REQUEST_METHOD' ] ) == 'delete' ) ; break ; case 'ssl' : return ( ! empty ( $ _SERVER [ 'HTTPS' ] ) && $ _SERVER [ 'HTTPS' ] !== 'off' ) ; break ; } return false ; }
Request helper function
@param  String $type
@return Boolean
Request helper function