# html-forms/1.3.11/src/Form.php

HTML Forms – Simple WordPress Forms Plugin, version 1.3.11. 191 lines.

- Page: https://pluginprobe.com/plugins/html-forms/1.3.11/code/src/Form.php
- Raw: https://pluginprobe.com/plugins/html-forms/1.3.11/raw/src/Form.php
- Modified: 2019-04-08T08:42:08+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/html-forms/1.3.11/code/src/Form.php#L10-L20`.

```php
<?php

namespace HTML_Forms;

class Form {

    public $ID = 0;
    public $title = '';
    public $slug = '';
    public $markup = '';
    public $messages = array();
    public $settings = array();

    /**
     * Form constructor.
     *
     * @param $ID
     */
    public function __construct($ID)
    {
        $this->ID = $ID;
    }

    /**
    * Magic method for accessing unexisting properties, eg lowercase "id".
    * @param string $property
    * @return mixed
    */
    public function __get( $property ) {
        if( $property === 'id' ) {
            return $this->ID;
        }
    }

    public function get_html()
    {
        $form = $this;

        /**
         * Filters the CSS classes to be added to this form's class attribute.
         *
         * @param array $form_classes
         * @param Form $form
         */
        $form_classes_attr = apply_filters( 'hf_form_element_class_attr', '', $form );

        /**
         * Filters the action attribute for this form.
         *
         * @param string $form_action
         * @param Form $form
         */
        $form_action = apply_filters( 'hf_form_element_action_attr', null, $form );
        $form_action_attr = is_null( $form_action ) ? '' : sprintf('action="%s"', $form_action );

        $data_attributes = $this->get_data_attributes();

        $html = '';
        $html .= sprintf( '<!-- HTML Forms v%s - %s -->', HTML_FORMS_VERSION, 'https://wordpress.org/plugins/html-forms/' );
        $html .= sprintf( '<form method="post" %s class="hf-form hf-form-%d %s" %s>', $form_action_attr, $this->ID, esc_attr( $form_classes_attr ), $data_attributes );

        $html .= sprintf( '<input type="hidden" name="_hf_form_id" value="%d" />', $this->ID );
        $html .= sprintf( '<div style="display: none;"><input type="text" name="_hf_h%d" value="" /></div>', $this->ID );
        $html .= '<div class="hf-fields-wrap">';
        $html .= $this->get_markup();
        $html .= '<noscript>' . __( "Please enable JavaScript for this form to work.", 'html-forms' ) . '</noscript>';
        $html .= '</div>'; // end field wrap
        $html .= '</form>';
        $html .= '<!-- / HTML Forms -->';

        // ensure JS script is enqueued whenever this function is called
        if( function_exists( 'wp_enqueue_script' ) ) {
            wp_enqueue_script('html-forms');
        }

        /**
         * Filters the resulting HTML for this form.
         *
         * @param string $html
         * @param Form $form
         */
        $html = apply_filters( 'hf_form_html', $html, $form );
        return $html;
    }

    public function get_data_attributes() {
        $form = $this;
        $attributes = array(
            'id' => $this->ID,
            'title' => $this->title,
            'slug' => $this->slug,
        );

        // add messages
        foreach( $this->messages as $key => $message ) {
            $key = str_replace( '_', '-', $key );
            $attributes["message-".$key] = $message;
        }

        /**
         * Filters the data attributes to be added to the form attribute.
         *
         * @param array $attributes
         * @param Form $form
         */
        $attributes = apply_filters( 'hf_form_element_data_attributes', $attributes, $form );

        // create string of attribute key-value pairs
        $string = '';
        foreach( $attributes as $attr => $value ) {
            // prefix all attributes with data-
            if( substr( $attr, 0, 5 ) !== 'data-' ) {
                $attr = "data-" . $attr;
            }

            $string .= sprintf( '%s="%s" ', $attr, esc_attr( $value ) );
        }
        $string = rtrim( $string, ' ' );

        return $string;
    }


    /**
     * @return string
     */
    public function __toString()
    {
        return $this->get_html();
    }

    /**
    * @return string
    */
    public function get_markup() {
        return apply_filters( 'hf_form_markup', $this->markup );
    }

    /**
     * @return array
     */
    public function get_required_fields()
    {
        if( empty( $this->settings['required_fields'] ) ) {
            return array();
        }

        $required_fields = explode( ',', $this->settings['required_fields'] );
        return $required_fields;
    }

    /**
     * @return array
     */
    public function get_email_fields()
    {
        if( empty( $this->settings['email_fields'] ) ) {
            return array();
        }

        $email_fields = explode( ',', $this->settings['email_fields'] );
        return $email_fields;
    }

    /**
    * @param string $code
    * @return string
    */
    public function get_message( $code )
    {
        $form = $this;
        $message = isset( $this->messages[ $code ] ) ? $this->messages[ $code ] : '';

        /**
        * @param string $message
        * @param Form $form
        */
        $message = apply_filters( 'hf_form_message_' . $code, $message, $form );
        return $message;
    }

    /**
    * @return int The number of named fields in the form
    */
    public function get_field_count() {
        $count = substr_count( strtolower( $this->get_html() ), ' name=' );
        $count++; // Add one for 'was-required'
        return $count;
    }
}

```