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<?php |
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|
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use HTML_Forms\Form; |
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use HTML_Forms\Submission; |
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use WP_Post; |
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|
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/** |
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* @param $form_id_or_slug int|string|WP_Post |
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* @return Form |
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* @throws Exception |
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*/ |
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function hf_get_form( $form_id_or_slug ) { |
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|
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if( is_numeric( $form_id_or_slug ) || $form_id_or_slug instanceof WP_Post ) { |
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$post = get_post( $form_id_or_slug ); |
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|
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if( ! $post || $post->post_type !== 'html-form' ) { |
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throw new Exception( "Invalid form ID" ); |
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} |
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} else { |
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$posts = get_posts( |
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array( |
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'post_type' => 'html-form', |
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'name' => $form_id_or_slug, |
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'post_status' => 'publish', |
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'numberposts' => 1, |
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) |
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); |
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|
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if( empty( $posts ) ) { |
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throw new Exception( 'Invalid form slug' ); |
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} |
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$post = $posts[0]; |
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} |
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|
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// get all post meta in a single call for performance |
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$post_meta = get_post_meta( $post->ID ); |
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|
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// grab & merge form settings |
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$default_settings = array( |
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'save_submissions' => 1, |
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'hide_after_success' => 0, |
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'redirect_url' => '', |
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'required_fields' =>'', |
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'email_fields' => '', |
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); |
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$default_settings = apply_filters( 'hf_form_default_settings', $default_settings ); |
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$settings = array(); |
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if( ! empty( $post_meta['_hf_settings'][0] ) ) { |
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$settings = (array) maybe_unserialize( $post_meta['_hf_settings'][0] ); |
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} |
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$settings = array_merge( $default_settings, $settings ); |
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|
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// grab & merge form messages |
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$default_messages = array( |
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'success' => __('Thank you! We will be in touch soon.', 'html-forms'), |
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'invalid_email' => __( 'Sorry, that email address looks invalid.', 'html-forms' ), |
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'required_field_missing' => __( "Please fill in the required fields.", "html-forms" ), |
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'error' => __( 'Oops. An error occurred.', 'html-forms' ), |
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); |
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$messages = array(); |
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foreach( $post_meta as $meta_key => $meta_values ) { |
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if( strpos( $meta_key, 'hf_message_' ) === 0 ) { |
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$message_key = substr( $meta_key, strlen( 'hf_message_' ) ); |
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$messages[$message_key] = (string) $meta_values[0]; |
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} |
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} |
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$messages = array_merge( $default_messages, $messages ); |
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|
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// finally, create form instance |
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$form = new Form( $post->ID ); |
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$form->title = $post->post_title; |
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$form->slug = $post->post_name; |
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$form->markup = $post->post_content; |
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$form->settings = $settings; |
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$form->messages = $messages; |
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return $form; |
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} |
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|
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/** |
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* @param $form_id |
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* @param array $args |
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* @return Submission[] |
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*/ |
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function hf_get_form_submissions( $form_id, array $args = array() ) { |
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$default_args = array( |
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'offset' => 0, |
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'limit' => 1000, |
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); |
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$args = array_merge( $default_args, $args ); |
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|
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global $wpdb; |
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$table = $wpdb->prefix .'hf_submissions'; |
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$results = $wpdb->get_results( $wpdb->prepare( "SELECT s.* FROM {$table} s WHERE s.form_id = %d ORDER BY s.submitted_at DESC LIMIT %d, %d;", $form_id, $args['offset'], $args['limit'] ), OBJECT_K ); |
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$submissions = array(); |
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foreach( $results as $key => $object ) { |
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$submission = Submission::from_object( $object ); |
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$submissions[$key] = $submission; |
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} |
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return $submissions; |
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} |
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|
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/** |
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* @param int $submission_id |
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* @return Submission |
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*/ |
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function hf_get_form_submission( $submission_id ) { |
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global $wpdb; |
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$table = $wpdb->prefix .'hf_submissions'; |
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$object = $wpdb->get_row( $wpdb->prepare( "SELECT s.* FROM {$table} s WHERE s.id = %d;", $submission_id ), OBJECT ); |
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$submission = Submission::from_object( $object ); |
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return $submission; |
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} |
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/** |
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* @return array |
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*/ |
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function hf_get_settings() { |
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$default_settings = array( |
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'load_stylesheet' => 0, |
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); |
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|
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$settings = get_option( 'hf_settings', array() ); |
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|
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// merge with default settings |
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$settings = array_merge( $default_settings, $settings ); |
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|
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/** |
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* Filters the global HTML Forms hf_settings |
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* |
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* @param array $settings |
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*/ |
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$settings = apply_filters( 'hf_settings', $settings ); |
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|
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return $settings; |
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} |
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|
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/** |
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* Get element from array, allows for dot notation eg: "foo.bar" |
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* |
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* @param array $array |
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* @param string $key |
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* @param mixed $default |
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* @return mixed |
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*/ |
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function hf_array_get( $array, $key, $default = null ) { |
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if ( is_null( $key ) ) { |
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return $array; |
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} |
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|
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if ( isset( $array[$key] ) ) { |
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return $array[$key]; |
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} |
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|
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foreach (explode( '.', $key ) as $segment) { |
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if ( ! is_array( $array ) || ! array_key_exists( $segment, $array ) ) { |
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return $default; |
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} |
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|
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$array = $array[$segment]; |
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} |
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|
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return $array; |
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} |
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|
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/** |
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* Processes template tags like {{user.user_email}} |
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* |
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* @param string $template |
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* |
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* @return string |
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*/ |
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function hf_template( $template ) { |
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$replacers = new HTML_Forms\TagReplacers(); |
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$tags = array( |
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'user' => array( $replacers, 'user' ), |
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'post' => array( $replacers, 'post'), |
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'url_params' => array( $replacers, 'url_params' ), |
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); |
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|
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/** |
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* Filters the available tags in HTML Forms templates, like {{user.user_email}}. |
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* |
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* Can be used to add simple scalar replacements or more advanced replacement functions that accept a parameter. |
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* |
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* @param array $tags |
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*/ |
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$tags = apply_filters( 'hf_template_tags', $tags ); |
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|
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$template = preg_replace_callback( '/\{\{ *(\w+)(?:\.([\w\.]+))? *(?:\|\| *(\w+))? *\}\}/', function( $matches ) use ( $tags ) { |
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$tag = $matches[1]; |
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$param = ! isset( $matches[2] ) ? "" : $matches[2]; |
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$default = ! isset( $matches[3] ) ? "" : $matches[3]; |
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$value = ""; |
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|
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// do not change anything if we have no replacer with that key, could be custom user logic or another plugin. |
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if( ! isset( $tags[ $tag] ) ) { |
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return $matches[0]; |
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} |
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|
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$replacement = $tags[$tag]; |
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$value = is_callable( $replacement ) ? call_user_func_array( $replacement, array( $param ) ) : $replacement; |
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return ! empty( $value ) ? $value : $default; |
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}, $template ); |
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|
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return $template; |
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} |
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|
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/** |
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* @param string $string |
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* @param array $data |
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* |
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* @return string |
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*/ |
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function hf_replace_data_variables( $string, $data = array() ) { |
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$string = preg_replace_callback( '/\[([a-zA-Z0-9\-\._]+)\]/', function( $matches ) use ( $data ) { |
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$key = $matches[1]; |
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$replacement = hf_array_get( $data, $key, '' ); |
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$replacement = is_array( $replacement ) ? join( ', ', $replacement ) : $replacement; |
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return $replacement; |
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}, $string ); |
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return $string; |
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} |
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|
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/** |
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* Poor man's file object, compatible with serialization.. |
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* |
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* @return bool |
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*/ |
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function hf_is_file( $file ) { |
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return isset( $file['name'] ) && isset( $file['size'] ) && isset( $file['type'] ); |
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} |
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|
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/** |
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* @return string |
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*/ |
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function hf_human_filesize($size, $precision = 2) { |
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for( $i = 0; ($size / 1024) > 0.9; $i++, $size /= 1024 ) { |
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// nothing, loop logic contains everything |
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} |
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$steps = array( 'B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' ); |
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return round($size, $precision) . $steps[$i]; |
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} |
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|
