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[SOLVED] Strange problem with $_POST


AdRock

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I have a BBcode text editor and it works fine

 

When I click on "Preview", the BBcode gets converted to html and is dsiplayed correctly but when I click on "Post", all that is output is "Post" and not what was in the text editor.

 

I want to create something like here where you can preview your posts before submitting and when happy with the message, submit to database but i need to make sure it works first

 

Here is the form

<html><head>
<title>Editor</title>
<script src="editor.js"></script>

<link rel="stylesheet" type="text/css" href="style.css" />


</head><body>
<form action="bbcode2.php" method="post" name="editform" onsubmit="return checkForm(this)">
<table id="editform">
<tr>
        <td colspan="2" id="header">Post a new message</td>
</tr>

<tr id="subject">
        <td>Subject:</td>
        <td><input type="text" name="subject" size="50" class="form_elements_text" /></td>
</tr>
<tr>
        <td rowspan="2" id="smilies">Smilies
                <a href="javascript:smilie('')">
                        <img src="smile.gif" alt="smile" title="smile" /></a>
                <a href="javascript:smilie('')">
                        <img src="biggrin.gif" alt="big grin" title="big grin"/></a>
                <a href="javascript:smilie('')">
                        <img src="razz.gif" alt="razz" title="razz" /></a></td>
        <td>
                <input type="button" class="button" value="bold" name="bold" onclick="javascript:tag('b', '[b]', 'bold*', '[/b]', 'bold', 'bold');" onMouseOver="helpline('bold')" />
                <input type="button" class="button" value="italic" name="italic" onclick="javascript:tag('i', '[i]', 'italic*', '[/i]', 'italic', 'italic');" onMouseOver="helpline('italic')" />
                <input type="button" class="button" value="underline" name="underline" onclick="javascript:tag('u', '[u]', 'underline*', '[/u]', 'underline', 'underline');" onMouseOver="helpline('underline')" />
                <input type="button" class="button" value="quote" name="quote" onclick="javascript:tag('q', '[quote]', 'quote*', '[/quote]', 'quote', 'quote');" onMouseOver="helpline('quote')" />
                <input type="button" class="button" value="mail" name="mail" onclick="javascript:tag('mail', '[mail]', 'mail*', '[/mail]', 'mail', 'mail');" onMouseOver="helpline('mail')" />
                <input type="button" class="button" value="url" name="url" onclick="javascript:tag('url', '[url]', 'url*', '[/url]', 'url', 'url');" onMouseOver="helpline('url')" />
                <input type="button" class="button" value="img" name="img" onclick="javascript:tag('img', '[img=', 'img*', ']', 'img', 'img');" onMouseOver="helpline('img')" />
                <br />
                Font size: <select name="fontsize" onChange="font('[size=' + this.form.fontsize.options[this.form.fontsize.selectedIndex].value + ']', '[/size]'); this.selectedIndex=2;" onMouseOver="helpline('fontsize')" class="form_elements_dropdown">

                                <option value="xx-small" >Tiny</option>
                                <option value="x-small" >Small</option>
                                <option value="normal" selected >Normal</option>
                                <option value="large" >Large</option>
                                <option value="x-large" >Huge</option>
                        </select>


                Font color: <select name="fontcolor" onChange="font('[color=' + this.form.fontcolor.options[this.form.fontcolor.selectedIndex].value + ']', '[/color]'); this.selectedIndex=0;" onMouseOver="helpline('fontcolor')" class="form_elements_dropdown"  >
                                <option value="black" style="color:black">Black</option>
                                <option value="silver" style="color:silver">Silver</option>
                                <option value="gray" style="color:gray">Gray</option>
                                <option value="maroon" style="color:maroon">Maroon</option>
                                <option value="red" style="color:red">Red</option>
                                <option value="purple" style="color:purple">Purple</option>
                                <option value="fuchsia" style="color:fuchsia">Fuchsia</option>
                                <option value="navy" style="color:navy">Navy</option>
                                <option value="blue" style="color:blue">Blue</option>
                                <option value="aqua" style="color:aqua">Aqua</option>
                                <option value="teal" style="color:teal">Teal</option>
                                <option value="lime" style="color:lime">Lime</option>
                                <option value="green" style="color:green">Green</option>
                                <option value="olive" style="color:olive">Olive</option>
                                <option value="yellow" style="color:yellow">Yellow</option>
                                <option value="white" style="color:white">White</option>
		    </select>

                                <br />

                <input type="text" name="helpbox" size="75" class="helpbox" readonly="readonly"/>
                </td>
</tr>
<tr>
                <td>
                Post:<br />
                <textarea rows="10" cols="50" name="post" class="form_elements_text"></textarea>
                </td>
</tr>
<tr>

                <td colspan="2" id="post">
                <input type="submit" name="post" value="Post" class="button" />
                <input type="submit" name="preview" value="Preview" class="button"/>
                <input type="reset" value="Start over" class="button" onclick="javascript:confirm_reset();"/>
                </td>
</tr>
</table>
</form>

</body></html>

 

and here is the php which processes the output

   function BBCode($Text)
       {
         // Replace any html brackets with HTML Entities to prevent executing HTML or script
            // Don't use strip_tags here because it breaks [ url ] search by replacing & with amp
            $Text = str_replace("<", "<", $Text);
            $Text = str_replace(">", ">", $Text);

            // Convert new line chars to html <br /> tags
            $Text = nl2br($Text);

            // Set up the parameters for a URL search string
            $URLSearchString = " a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'";
            // Set up the parameters for a MAIL search string
            $MAILSearchString = $URLSearchString . " a-zA-Z0-9\.@";

            // Perform URL Search
            $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/", '<a href="$1" target="_blank">$1</a>', $Text);
            $Text = preg_replace("(\[url\=([$URLSearchString]*)\](.+?)\[/url\])", '<a href="$1" target="_blank">$2</a>', $Text);
            //$Text = preg_replace("(\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[/url\])", '<a href="$1" target="_blank">$2</a>', $Text);

            // Perform MAIL Search
            $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '<a href="mailto:$1">$1</a>', $Text);
            $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.+?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
         
            // Check for bold text
            $Text = preg_replace("(\[b\](.+?)\[\/b])is",'<span class="bold">$1</span>',$Text);

            // Check for Italics text
            $Text = preg_replace("(\[i\](.+?)\[\/i\])is",'<span class="italics">$1</span>',$Text);

            // Check for Underline text
            $Text = preg_replace("(\[u\](.+?)\[\/u\])is",'<span class="underline">$1</span>',$Text);

            // Check for strike-through text
            $Text = preg_replace("(\[s\](.+?)\[\/s\])is",'<span class="strikethrough">$1</span>',$Text);

            // Check for over-line text
            $Text = preg_replace("(\[o\](.+?)\[\/o\])is",'<span class="overline">$1</span>',$Text);

            // Check for colored text
            $Text = preg_replace("(\[color=(.+?)\](.+?)\[\/color\])is","<span style=\"color: $1\">$2</span>",$Text);

            // Check for sized text
            $Text = preg_replace("(\[size=(.+?)\](.+?)\[\/size\])is","<span style=\"font-size: $1\">$2</span>",$Text);

            // Check for list text
            $Text = preg_replace("/\[list\](.+?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
            $Text = preg_replace("/\[list=1\](.+?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
            $Text = preg_replace("/\[list=i\](.+?)\[\/list\]/s", '<ul class="listlowerroman">$1</ul>' ,$Text);
            $Text = preg_replace("/\[list=I\](.+?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
            $Text = preg_replace("/\[list=a\](.+?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
            $Text = preg_replace("/\[list=A\](.+?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
            $Text = str_replace("[*]", "<li>", $Text);

            // Check for font change text
            $Text = preg_replace("(\[font=(.+?)\](.+?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);

            // Declare the format for [ code ]  layout
            $CodeLayout = '<table width="90%" border="0" align="center" cellpadding="0" cellspacing="0">
                                <tr>
                                    <td class="quotecodeheader"> Code:</td>
                                </tr>
                                <tr>
                                    <td class="codebody">$1</td>
                                </tr>
                           </table>';
            // Check for [ code ] text
            $Text = preg_replace("/\[code\](.+?)\[\/code\]/is","$CodeLayout", $Text);
            // Declare the format for [ php ] layout
            $phpLayout = '<table width="90%" border="0" align="center" cellpadding="0" cellspacing="0">
                                <tr>
                                    <td class="quotecodeheader"> Code:</td>
                                </tr>
                                <tr>
                                    <td class="codebody">$1</td>
                                </tr>
                           </table>';
            // Check for [ php ] text
            $Text = preg_replace("/\[php\](.+?)\[\/php\]/is",$phpLayout, $Text);

            // Declare the format for [ quote ] layout
            $QuoteLayout = '<table width="90%" border="0" align="center" cellpadding="0" cellspacing="0">
                                <tr>
                                    <td class="quotecodeheader"> Quote:</td>
                                </tr>
                                <tr>
                                    <td class="quotebody">$1</td>
                                </tr>
                           </table>';
                     
            // Check for [ quote ] text
            $Text = preg_replace("/\[quote\](.+?)\[\/quote\]/is","$QuoteLayout", $Text);
         
            // Images
            // [img=pathtoimage]
            $Text = preg_replace("/\[img\](.+?)\[\/img\]/", '<img src="$1">', $Text);
         
            // [img=widthxheight]image source[/img]
            $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.+?)\[\/img\]/", '<img src="$3" height="$2" width="$1">', $Text);
         
           return $Text;
      }

$text = BBCode($_POST['post']);

if (isset($_POST['preview'])) {
   //do something
   echo $text;
}
else

if (isset($_POST['post'])) {
   //do something
   echo "Doing something else<br>";
   echo $text;
} 

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