= sfCaptchaGD plugin =
The `sfCaptchaGDPlugin` is a symfony plugin that provides captcha functionality based on GD library.
It gives you the lib with Captcha class and the module to secure your symfony forms in a minute with a good captcha.
== Installation ==
Install the plugin
{{{
symfony plugin-install http://plugins.symfony-project.com/sfCaptchaGDPlugin
}}}
Enable one or more modules in your `settings.yml`
* sfCaptchaGD
{{{
all:
.settings:
enabled_modules: [default, sfCaptchaGD]
}}}
Clear you cache
{{{
symfony cc
}}}
== Secure your form ==
To secure a symfony form:
Put the following lines inside of your form
{{{
<?php if ($sf_request->hasError('captcha')) echo form_error('captcha') ?>
<?php echo input_tag('captcha', $sf_params->get('captcha')) ?><br>
<img src='<?php echo url_for('/captcha').'?'.time(); ?>'>
}}}
Put the following code into your form's validator yml file:
{{{
fields:
captcha:
required:
msg: Enter characters from image
sfCaptchaGDValidator:
captcha_error: Entered characters are wrong, try again
}}}
== Configuration options ==
These options are default for captcha, you can change any of them, putting in settings.yml
{{{
all:
sf_captchagd:
image_width: 100 # image width in pixels
image_height: 30 # image height in pixels
chars: "123456789" # possible chars in captcha
length: 4 # length of captcha
font_size: 18 # font size
# possible chars colors
font_color: ["252525", "8b8787", "550707", "3526E6", "88531E"]
# chars fonts
fonts: ["akbar/akbar.ttf", "brushcut/BRUSHCUT.TTF", "molten/molten.ttf", "planet_benson/Planetbe.ttf", "whoobub/WHOOBUB_.TTF"]
background_color: DDDDDD # image background color
border_color: 000000 # image border color
}}}
== TODO ==