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源代码
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>PHP $_SERVER 实例 - 自学教程(runoops.com)</title> </head> <body> <?php echo $_SERVER['PHP_SELF']; echo "<br>"; echo $_SERVER['SERVER_NAME']; echo "<br>"; echo $_SERVER['HTTP_HOST']; echo "<br>"; echo $_SERVER['HTTP_REFERER']; echo "<br>"; echo $_SERVER['HTTP_USER_AGENT']; echo "<br>"; echo $_SERVER['SCRIPT_NAME']; ?> </body> </html>
运行结果：