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<?php |
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/** |
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* Plugin Name: Wufoo Shortcode |
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* Based on https://wordpress.org/plugins/wufoo-shortcode/ |
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* |
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* Examples: |
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* [wufoo username="jeherve" formhash="z1x13ltw1m8jtrw" autoresize="true" height="338" header="show"] |
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* |
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* @package Jetpack |
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*/ |
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|
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/** |
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* Display the Wufoo shortcode. |
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* |
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* @param array $atts Shortcode attributes. |
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*/ |
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function wufoo_shortcode( $atts ) { |
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$attr = shortcode_atts( |
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array( |
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'username' => '', |
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'formhash' => '', |
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'autoresize' => true, |
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'height' => '500', |
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'header' => 'show', |
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), |
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$atts |
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); |
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|
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// Check username and formhash to ensure they only have alphanumeric characters or underscores, and aren't empty. |
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if ( |
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! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['username'] ) |
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|| ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['formhash'] ) |
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) { |
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/* |
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* Return an error to the users with instructions if one of these params is invalid |
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* They don't have default values because they are user/form-specific |
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*/ |
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if ( current_user_can( 'edit_posts' ) ) { |
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return sprintf( |
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wp_kses( |
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/* translators: URL to Wufoo support page. */ |
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__( 'Something is wrong with your Wufoo shortcode. Try following the instructions <a href="%s" target="_blank" rel="noopener noreferrer">here</a> to embed a form on your site.', 'jetpack' ), |
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array( |
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'a' => array( |
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'href' => array(), |
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'target' => array(), |
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'rel' => array(), |
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), |
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) |
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), |
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'https://help.wufoo.com/articles/en_US/kb/Embed' |
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); |
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} |
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} |
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|
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/** |
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* Placeholder which will tell Wufoo where to render the form. |
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*/ |
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$js_embed_placeholder = sprintf( |
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'<div id="wufoo-%s"></div>', |
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esc_attr( $attr['formhash'] ) |
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); |
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|
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/** |
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* Required parameters are present. |
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* An error will be returned inside the form if they are invalid. |
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*/ |
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$js_embed = sprintf( |
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'(function(){try{var wufoo_%1$s = new WufooForm();wufoo_%1$s.initialize({"userName":"%2$s","formHash":"%1$s","autoResize":"%3$s","height":"%4$d","header":"%5$s","ssl":true,"async":true});wufoo_%1$s.display();}catch(e){}})();', |
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esc_attr( $attr['formhash'] ), |
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esc_attr( $attr['username'] ), |
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esc_attr( $attr['autoresize'] ), |
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absint( $attr['height'] ), |
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esc_js( $attr['header'] ) |
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); |
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|
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// Embed URL. |
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$embed_url = sprintf( |
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'https://%1$s.wufoo.com/embed/%2$s/', |
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$attr['username'], |
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$attr['formhash'] |
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); |
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|
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// Form URL. |
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$form_url = sprintf( |
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'https://%1$s.wufoo.com/forms/%2$s/', |
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$attr['username'], |
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$attr['formhash'] |
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); |
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|
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/* |
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* iframe embed, loaded inside <noscript> tags. |
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*/ |
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$iframe_embed = sprintf( |
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'<iframe height="%1$d" src="%2$s" allowTransparency="true" frameborder="0" scrolling="no" style="width:100%;border:none;"> |
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<a href="%3$s" target="_blank" rel="noopener noreferrer">%4$s</a> |
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</iframe>', |
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absint( $attr['height'] ), |
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esc_url( $embed_url ), |
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esc_url( $form_url ), |
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esc_html__( 'Fill out my Wufoo form!', 'jetpack' ) |
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); |
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|
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wp_enqueue_script( |
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'wufoo-form', |
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'https://www.wufoo.com/scripts/embed/form.js', |
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array(), |
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JETPACK__VERSION, |
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true |
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); |
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wp_add_inline_script( 'wufoo-form', $js_embed ); |
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|
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/** This action is already documented in modules/widgets/gravatar-profile.php */ |
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do_action( 'jetpack_stats_extra', 'embeds', 'wufoo' ); |
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|
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/** |
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* Return embed in JS and iframe. |
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*/ |
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return "$js_embed_placeholder<noscript>$iframe_embed</noscript>"; |
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} |
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add_shortcode( 'wufoo', 'wufoo_shortcode' ); |
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|
