1 <?php
 2 /*
 3  * 获取设备宽度以及高度
 4  * */
 5 if (isset($_GET[‘width‘]) AND isset($_GET[‘height‘])) {
 6     // 输出变量
 7     echo "Screen width is: " . $_GET[‘width‘] . "<br />\n";
 8     echo "Screen height is: " . $_GET[‘height‘] . "<br />\n";
 9 } else {
10     // 使用js获取设备宽度
11     echo "<script language=‘javascript‘>\n";
12     echo "  location.href=\"${_SERVER[‘SCRIPT_NAME‘]}?${_SERVER[‘QUERY_STRING‘]}"
13         . "&width=\" + screen.width + \"&height=\" + screen.height;\n";
14     echo "</script>\n";
15     exit();
16 }