<?php
foreach($_POST as $k=>$v) $$k=$v;
//to use $_POST["example"] as $example
foreach($_GET as $k=>$v) $$k=$v;
//to use $_GET["example"] as $example
//or better:
foreach(${"_" . $_SERVER["REQUEST_METHOD"]} as $k=>$v) $$k=$v;
//to use $_GET["example"] or $_POST["example"] as $example
?>
$_POST
$HTTP_POST_VARS [Obsolète]
$_POST -- $HTTP_POST_VARS [Obsolète] — Variables HTTP POST
Description
Un tableau associatif des valeurs passées au script courant via le protocole HTTP et la méthode POST.
$HTTP_POST_VARS contient les mêmes informations, mais n'est pas superglobale. (Notez que $HTTP_POST_VARS et $_POST sont des variables différentes et que PHP les traite comme telles.)
Historique
| Version | Description |
|---|---|
| 4.1.0 | Introduction de $_POST, rendant obsolète $HTTP_POST_VARS. |
Exemples
Exemple #1 Exemple avec $_POST
<?php
echo 'Bonjour ' . htmlspecialchars($_POST["name"]) . '!';
?>
En assumant que l'utilisateur a POSTé name=Yannick
L'exemple ci-dessus va afficher quelque chose de similaire à :
Bonjour Yannick !
Notes
Note: Ceci est une 'superglobale', ou variable globale automatique. Cela signifie simplement que cette variable est disponible dans tous les contextes du script. Il n'est pas nécessaire de faire global $variable; pour y accéder dans les fonctions ou les méthodes.
$_POST
31-Jul-2008 09:26
15-Jul-2008 04:06
Make sure your submit buttons (ie. <input type="submit"> etc) have a 'value' attribute. If they don't, the value won't appear in $_POST and so isset($_POST["submit"]) won't work either.
Example:
<input type="submit" name="submit">
isset($_POST["submit"]) returns false
<input type="submit" name="submit" value="Next">
isset($_POST["submit"]) returns true.
This might seem obvious for text buttons since they need a label anyway. However, if you are using image buttons, it might not occur to you that you need to set a value attribute as well. For example, the value attribute is required in the following element if you want to be able to detect it in your script.
<input type="image" name="submit" src="next.gif" value="Next">
20-Jun-2008 07:49
Nasty bug in IE6, Apache2 and mod_auth_sspi. Essentially if the user presses the submit button too quickly, $_POST (and the equivalents) comes back empty. The workaround is to set Apache's KeepAliveTimeout to 1. This would mean that the user would need to push submit within a second to trigger the issue.
20-May-2008 08:49
<?
//If we submitted the form
if(isset($_POST['submitMe']))
{
echo("Hello, " . $_POST['name'] . ", we submitted your form!");
}
//If we haven't submitted the form
else
{
?>
<form action="<?=$_SERVER['PHP_SELF']?>" method="POST">
<input type="text" name="name"><br>
<input type="submit" value="submit" name="submitMe">
</form>
<?
}
?>
