PHP中 getenv() 取得系统的环境变量(预定义变量)
$_SERVER['SERVER_NAME']
delphi.xcjc.net1 F3 X+ r8 P) u+ I8 I$ A; S3 t
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$spager=getenv('SERVER_NAME');delphi.xcjc.net7 R- N, u4 @: z2 F2 x. R: L
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“PHP_SELF”delphi.xcjc.net% u, @4 p- D- m4 L
当前正在执行脚本的文件名,与 document root 相关。举例来说,在 URL 地址为 http://example.com/test.php/foo.bar 的脚本中使用 $_SERVER['PHP_SELF'] 将会得到 /test.php/foo.bar 这个结果。__FILE__ 常量包含当前(例如包含)文件的绝对路径和文件名。
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如果 PHP 以命令行方式运行,该变量在 PHP 4.3.0 之前无效。
“argv”
传递给该脚本的参数。当脚本运行在命令行方式时,argv 变量传递给程序 C 语言样式的命令行参数。当调用 GET 方法时,该变量包含请求的数据。% A; T' O+ s' D2 Q6 v9 @+ G+ N* {
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“argc”Delphi Tips, Delphi Skills, Delphi技巧, Delphi问答, Delphi技术, cjc delphi' t) v# j ] _* n! D! b
包含传递给程序的命令行参数的个数(如果运行在命令行模式)。) P4 h" x% Q0 H2 \/ n" N5 l) A
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“GATEWAY_INTERFACE”Delphi Tip, Delphi Skills, Delphi技巧+ }6 Y+ Y3 e* c
服务器使用的 CGI 规范的版本。例如,“CGI/1.1”。CJC Delphi 技巧馆. y+ Y. g8 [, u |
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“SERVER_NAME”
当前运行脚本所在服务器主机的名称。如果该脚本运行在一个虚拟主机上,该名称是由那个虚拟主机所设置的值决定。CJC Delphi 技巧馆# I. A4 B9 z8 c
“SERVER_SOFTWARE”
服务器标识的字串,在响应请求时的头信息中给出。
“SERVER_PROTOCOL”delphi.xcjc.net9 \" ^7 W. K: \/ ]$ s5 _$ _
请求页面时通信协议的名称和版本。例如,“HTTP/1.0”。delphi.xcjc.net B& [4 m% m* l
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“REQUEST_METHOD”
访问页面时的请求方法。例如:“GET”、“HEAD”,“POST”,“PUT”。
注: 如果请求的方式是 HEAD,PHP 脚本将在送出头信息后中止(这意味着在产生任何输出后,不再有输出缓冲)。Delphi Tips, Delphi Skills, Delphi技巧, Delphi问答, Delphi技术, cjc delphi/ W5 [0 l! o4 [, y3 V5 A9 C
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“REQUEST_TIME”

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