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$_POST ??

PHP??? ?? ??? $_POST ??? ???? method="post"? ???? ???? ?? ?????.

$_POST ??

?? ??? $_POST ??? method="post"? ???? ???? ?? ???? ? ?????.

POST ???? ???? ???? ??? ???? ????? ??? ???(????? ?? ???? ???? ??) ???? ??? ??? ??? ????.

??: ??? ????? POST ???? ???? ?? ???? 8MB???(php.ini ???? post_max_size? ???? ??? ? ??).

HTTP POST? ?? ??? ??? URL? ???? ????.

?? ?? ??? ????.

?, URL? ??? ???? ?? ??? ?? ???? ???? ? ????.

Instance

form.html ?? ??? ??? ????. 

<html>
<head>
<meta charset="utf-8">
<title>php.cn</title>
</head>
<body>
 
<form action="welcome.php" method="post">
名字: <input type="text" name="fname">
年齡: <input type="text" name="age">
<input type="submit" value="提交">
</form>
 
</body>
</html>

???? "??" ??? ???? URL? ??? ?????.

http: //ipnx.cn/welcome.php

"welcome.php" ??? ?? $_POST ??? ?? ?? ???? ??? ? ????. ?? ??? ??? ???? $_POST ?? ?? ??? ??? ?): 

歡迎 <?php echo $_POST["fname"]; ?>!<br>
你的年齡是 <?php echo $_POST["age"]; ?>  歲。


???? ??
||
<html> <head> <meta charset="utf-8"> <title>php.cn</title> </head> <body> <form action="welcome.php" method="post"> 名字: <input type="text" name="fname"> 年齡: <input type="text" name="age"> <input type="submit" value="提交"> </form> </body> </html>