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<?php
/*
Plugin Name: Wufoo Shortcode Plugin
Description: Enables shortcode to embed Wufoo forms. Usage: [wufoo username="chriscoyier" formhash="x7w3w3" autoresize="true" height="458" header="show" ssl="true"]
Author: Chris Coyier / Wufoo, evansolomon
Based on http://wordpress.org/extend/plugins/wufoo-shortcode/
http://wufoo.com/docs/code-manager/wordpress-shortcode-plugin/
*/
function wufoo_shortcode( $atts ) {
extract( shortcode_atts( array(
'username' => '',
'formhash' => '',
'autoresize' => true,
'height' => '500',
'header' => 'show',
'ssl' => ''
), $atts ) );
//Check username and formhash to ensure they only have alphanumeric characters or underscores, and aren't empty
if ( !preg_match( "/^[a-zA-Z0-9_]+$/", $username) || !preg_match( "/^[a-zA-Z0-9_]+$/", $formhash ) ) {
/**
* Return an error to the users with instructions if one of these params is invalid
* They don't have default values because they are user/form-specific
*/
$return_error = sprintf( __( 'Something is wrong with your Wufoo shortcode. If you copy and paste it from the %sWufoo Code Manager%s, you should be golden.', 'jetpack' ), "<a href='http://wufoo.com/docs/code-manager/'>", "</a>" );
return "
<div style='border: 20px solid red; border-radius: 40px; padding: 40px; margin: 50px 0 70px;'>
<h3>Uh oh!</h3>
<p style='margin: 0;'>$return_error</p>
</div>";
}
/**
* Required parameters are present
* An error will be returned inside the form if they are invalid
*/
$js_embed = '<script type="text/javascript">var host = (("https:" == document.location.protocol) ? "https://secure." : "http://");document.write(unescape("%3Cscript src=\'" + host + "wufoo.com/scripts/embed/form.js\' type=\'text/javascript\'%3E%3C/script%3E"));</script>';
$js_embed .= "<script type='text/javascript'>";
$js_embed .= "var wufoo_$formhash = new WufooForm();";
$js_embed .= "wufoo_$formhash.initialize({";
$js_embed .= "'userName':'$username', ";
$js_embed .= "'formHash':'$formhash', ";
$js_embed .= "'autoResize':".(bool)( $autoresize ).",";
$js_embed .= "'height':'". (int) $height ."',";
$js_embed .= "'header':'".esc_js( $header )."' ";
/**
* Only output SSL value if passes as param
* Lower tier plans don't show this param (don't offer SSL)
*/
$js_embed .= ( $ssl ) ? ",'ssl':".(bool) $ssl : "";
$js_embed .= "});";
$js_embed .= "wufoo_$formhash.display();";
$js_embed .= "</script>";
/**
* iframe embed, loaded inside <noscript> tags
*/
$iframe_embed = '<iframe ';
$iframe_embed .= 'height="'. (int) $height .'" ';
$iframe_embed .= 'allowTransparency="true" frameborder="0" scrolling="no" style="width:100%;border:none;"';
$iframe_embed .= 'src="https://'. $username .'.wufoo.com/embed/'. $formhash .'/">';
$iframe_embed .= '<a href="https://'. $username .'.wufoo.com/forms/'. $formhash .'/" ';
$iframe_embed .= 'rel="nofollow">Fill out my Wufoo form!</a></iframe>';
/** This action is already documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'embeds', 'wufoo' );
/**
* Return embed in JS and iframe
*/
return "$js_embed <noscript> $iframe_embed </noscript>";
}
add_shortcode('wufoo', 'wufoo_shortcode');
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