PHP $_POST ??
PHP??? ?? ??? $_POST ??? ???? method="post"? ???? ???? ?? ?????.
$_POST ??
?? ??? $_POST ??? method="post"? ???? ???? ?? ???? ? ?????.
POST ???? ???? ???? ??? ???? ????? ??? ???(????? ?? ???? ???? ??) ???? ??? ??? ??? ????.
??: ??? ????? POST ???? ???? ?? ???? 8MB???(php.ini ???? post_max_size? ???? ??? ? ??).
Instance
form.html ?? ??? ??? ????.
<html> <head> <meta charset="utf-8"> <title>php中文網(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 ?? ???):
?????<?php echo $_POST["fname"] ?>!<br>
??? ???<? php echo $ _POST["age"] ?>
??? ?? ????? ?? ??? ??????.
?? ?? method=" ?? "?
POST ???? ???? ???? ??? ???? ????? ???? ??? ???? ??? ??? ??? ????.
?, URL? ??? ???? ?? ??? ?? ???? ???? ? ????.
PHP $_REQUEST ??
?? ??? $_REQUEST ???? $_GET, $_POST ? $_COOKIE? ??? ???? ????.
$_REQUEST ??? GET ? POST ???? ?? ??? ?? ???? ???? ? ??? ? ????.
?
"welcome.php" ??? $_GET, $_POST ? ?? ???? ???? ?? ??? ??? ? ????.
?????<?php echo $_REQUEST["fname"] ?>!<br>
??? ???<?php echo $_REQUEST["age"] ?> ; ?.