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$_POST in php 5.3.5 does not work

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不思量自难忘°
不思量自难忘° 2021-01-07 02:17

I\'m working on a page in PHP 5.3.5, and it seems that $_POST doesn\'t contain the data submitted from my form.

This is the HTML file :
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9条回答
  • 夕颜
    2021-01-07 02:52

    You have not POSTed, or something is clobbering $_POST.

    If you have no mention of $_POST in your code before trying to access them, then you haven't POSTed to your script.

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  • 盖世英雄少女心
    2021-01-07 02:54

    Here it worked, but in PHP 5.3.1. Try this:

    <!doctype html>
<html>
<head>
<title>form</title> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>

<form method="post" action="process.php">
<fieldset><legend>your data</legend>
<input type="text" name="txtname" id="id_name" />
<input type="text" name="txtage" id="id_age" />
</fieldset>
<button type="submit">OK</button>
</form>

</body>
</html>


<?php
if(isset($_POST["txtname"]))
    $txtname = $_POST["txtname"];
else
    unset($txtname);
if(isset($_POST["txtage"]))
    $txtage = $_POST["txtage"];
else
    unset($txtname);
?>
<!doctype html>
<html>
<head>
<title>form</title> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>

<p>Welcome <?=$txtname; ?>!<br />
You are <?=$txtage; ?> years old.</p>
</body>
</html>
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  • 忘掉有多难
    2021-01-07 02:56

    Try to use capitals in POST:

    <form action="file.php" method="POST">

    Instead of:

    <form action="file.php" method="post">
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  • 暖寄归人
    2021-01-07 03:01

    It's probably because you have magic_quotes_gpc turned on. You should turn it off: http://www.php.net/manual/en/security.magicquotes.disabling.php

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  • 囚心锁ツ
    2021-01-07 03:05

    Try <?php var_dump($_POST); ?> to see what's really in there. There's no way $_POST is broken - it's gonna be something else. Possibly a server setting could be disabling $_POST.

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  • 时光取名叫无心
    2021-01-07 03:10

    PHP 5.3 is moving away from using global, pre-set variables, like $_POST, to avoid vulnerabilities.

    The issue, as I understand it, is that programmers who have never had to use $_POST or $_GET might treat it as any other variable and open themselves up to security threats.

    I haven't discovered the "proper" way to retrieve $_POST data yet, but the method I've using seems fairly sanitary.

    <?php parse_url(file_get_contents("php://input"), $_POST);

    This transfers the parsed HTTP POST string to the $_POST variables

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