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// $Id$
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Website Baker Project <http://www.websitebaker.org/>
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Copyright (C) 2004-2008, Ryan Djurovich
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Website Baker is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Website Baker is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Website Baker; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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One can improve all CAPTCHA-types with varying fonts and backgrounds
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- by adding backgrounds (PNG-images, 140x40 pixels) to backgrounds/
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- and by adding TrueType-fonts to fonts/
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How to use:
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1.)
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put
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require_once(WB_PATH.'/include/captcha/captcha.php');
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in your file.
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2a.)
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put
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<?php call_captcha(); ?>
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into your form.
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This will output a table with varying columns (3 or 4) like this example:
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<table class="captcha_table"><tr>
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<td><img src="http://www.example.org/include/captcha/captchas/ttf.php?t=64241454" alt="Captcha" /></td>
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<td><input type="text" name="captcha" maxlength="5" style="width:50px" /></td>
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<td class="captcha_expl">Fill in the result</td>
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</tr></table>
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2b.)
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If you want to use your own layout, use additional parameters to call_captcha():
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call_captcha('all') will output the whole table as above.
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call_captcha('image', $style); will output the <img>-tag for the image only (or the text for an text-style captcha):
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Examples:
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call_captcha('image', 'style="...; title="captcha"');
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<img style="...; title="captcha" src="http://www.example.org/include/captcha/captchas/captcha.php?t=46784246" />
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or
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<span style="...; title="captcha">4 add 6</span>
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call_captcha('image');
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<img src="http://www.example.org/include/captcha/captchas/captcha.php?t=46784246" />
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or
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4 add 6
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call_captcha('input', $style); will output the input-field:
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call_captcha('input', 'style"...;"');
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<input type="text" name="captcha" style="...;" />
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call_captcha('input');
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<input type="text" name="captcha" style="width:50px;" maxlength="10" />
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call_captcha('text', $style); will output a short "what to do"-text
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call_captcha('text', 'style="...;"');
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<span style="...;">Fill in the result</span>
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call_captcha('text');
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Fill in the result
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The CAPTCHA-code is allways stored in $_SESSION['captcha'] for verification with user-input.
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The user-input is in $_POST['captcha'] (or maybe $_GET['captcha']).
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