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PO$_POST variable
 

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    <p>I'm encountering a problem. I'm using Wordpress, but this ain't a Wordpress question.</p> <p>I'm using two forms, on one form I have all the input fields and one hidden input field which I use for checking which form the user has submitted. I have saved its value as 'save'. There is another form which is just for resetting all the options and its value is 'reset'. In PHP, I check the value of the hidden field and take respective actions. But the problem is that the reset thingy isn't working.</p> <p>Here is my HTML for the forms:</p> <pre><code>&lt;fieldset&gt; &lt;form method="post"&gt; &lt;!-- Some input fields here--&gt; &lt;p class="submit"&gt; &lt;input name="save" type="submit" value="Save changes" /&gt; &lt;input type="hidden" name="action" value="save" /&gt; &lt;/p&gt; &lt;/form&gt; &lt;/fieldset&gt; &lt;fieldset&gt; &lt;form method="post"&gt; &lt;p class="submit"&gt; &lt;input name="reset" type="submit" value="Reset" /&gt; &lt;input type="hidden" name="action" value="reset" /&gt; &lt;/p&gt; &lt;/form&gt; &lt;/fieldset&gt; </code></pre> <p>In PHP, I verify them like this:</p> <pre><code>// if I change the 'save' literal to something else like 'savea', $_POST variable will not be empty // but if I dont, then $_POST variable is NULL if ('save' == $_POST['action']) { foreach ($this-&gt;cp_options as $option) { if (isset($_POST[$option['id']])) { update_option($option['id'], $_POST[$option['id']]); } else { delete_option($option['id']); } } header("Location: themes.php?page=functions.php&amp;saved=true"); die; } // if I change the 'reset' literal to something else like 'reseta', $_POST variable will not be empty // but if I dont, then $_POST variable is NULL elseif ('reset' == $_POST['action']) { foreach($this-&gt;cp_options as $option) { delete_option($option); } header("Location: themes.php?page=functions.php&amp;reset=true"); die; } </code></pre> <p>The problem is if I change the <code>'reset'</code> or <code>'save'</code> literal to anything else like <code>'reseta'</code> or <code>'saveasdfasd'</code>, <code>$_POST</code> variable won't be empty, but if I dont, then <code>$_POST</code> variable is <code>NULL</code>.</p> <p>Any ideas on why this is happening?</p>
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    1. USGeorge Brighton
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    1. COCan you recreate this outside of Wordpress?
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      1. USpix0r
    2. COI don't know offhand, but is it possible WordPress does something to the contents of $_POST and $_GET, possibly while it's dealing with potentially mangled (think magic_quotes) input? Does WordPress have its own mechanism for retrieving form values that you could try?
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      1. USRob
    3. COAre you getting an exception on your page? If so, could you add it to your question? I don't see how the $_POST variable would suddenly become a null as a result of you changing a string literal in your code, so I wonder if your problem is actually something other than your diagnosis. Or maybe your wording is just confusing.
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      1. USJacob
 

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