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php - Checkout fields: Hiding and showing existing fields

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php - Checkout fields: Hiding and showing existing fields

Based on this working answer:

 // Registering external jQuery/JS file
function cfields_scripts() {

    // IMPORTANT NOTE:
    // For a child theme replace get_template_directory_uri() by get_stylesheet_directory_uri()
    // The external cfields.js file goes in a subfolder "js" of your active child theme or theme.
    wp_enqueue_script( 'checkout_script', get_template_directory_uri().'/js/cfields.js', array('jquery'), '1.0', true );

}
add_action( 'wp_enqueue_scripts', 'cfields_scripts' );


add_filter( 'woocommerce_checkout_fields', 'ba_custom_checkout_billing_fields' );
function ba_custom_checkout_billing_fields( $fields ) {

    // 1. Creating the additional custom billing fields

    // The "status" selector
    $fields['billing']['billing_status']['type'] = 'select';
    $fields['billing']['billing_status']['class'] = array('form-row-wide, status-select');
    $fields['billing']['billing_status']['required'] = true;
    $fields['billing']['billing_status']['label'] = __('Statut Juridic', 'theme_domain');
    $fields['billing']['billing_status']['placeholder'] = __('Alege statutul', 'theme_domain');
    $fields['billing']['billing_status']['options'] = array(
        '1' => __( 'Persoana Fizica', 'theme_domain' ),
        '2' => __( 'Persoana Juridica', 'theme_domain' )
    );

    // The "Nr. registrul comertului" text field (this field is common)
    $fields['billing']['billing_ser_id']['type'] = 'text';
    $fields['billing']['billing_ser_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_ser_id']['required'] = true; // <== HERE has to be "true" as it always be shown and need validation
    $fields['billing']['billing_ser_id']['label'] = __('Nr. Reg. Comert', 'theme_domain');
    $fields['billing']['billing_ser_id']['placeholder'] = __('Introdu numarul', 'theme_domain');

    // The "Banca" text field
    $fields['billing']['billing_bt_id']['type'] = 'text';
    $fields['billing']['billing_bt_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_bt_id']['required'] = false;
    $fields['billing']['billing_bt_id']['label'] = __('Banca', 'theme_domain');
    $fields['billing']['billing_bt_id']['placeholder'] = __('Adauga Banca', 'theme_domain');

    // The "IBAN" text field
    $fields['billing']['billing_ib_id']['type'] = 'text';
    $fields['billing']['billing_ib_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_ib_id']['required'] = false;
    $fields['billing']['billing_ib_id']['label'] = __('IBAN', 'theme_domain');
    $fields['billing']['billing_ib_id']['placeholder'] = __('Adauga IBAN-ul', 'theme_domain');

    // The "CIF" text field
    $fields['billing']['billing_cf_id']['type'] = 'text';
    $fields['billing']['billing_cf_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_cf_id']['required'] = false;
    $fields['billing']['billing_cf_id']['label'] = __('Cod Fiscal', 'theme_domain');
    $fields['billing']['billing_cf_id']['placeholder'] = __('Adauga CIF-ul', 'theme_domain');


    // 2. Ordering the billing fields

    $fields_order = array(
        'billing_first_name', 'billing_last_name', 'billing_email',
        'billing_phone',      'billing_address_1', 'billing_address_2',
        'billing_postcode',   'billing_city',      'billing_country',
        'billing_status',     'billing_company',   'billing_ser_id',
        'billing_bt_id',      'billing_ib_id',     'billing_cf_id'
    );

    foreach($fields_order as $field)
        $ordered_fields[$field] = $fields['billing'][$field];

    $fields['billing'] = $ordered_fields;


    // 4. Returning Checkout customized billing fields
    return $fields;

}


// Process the checkout (Checking if required fields are not empty)
add_action('woocommerce_checkout_process', 'ba_custom_checkout_field_process');
function ba_custom_checkout_field_process() {

    if ( ! $_POST['billing_ser_id'] )
        wc_add_notice( __( '<strong>Nr. Reg. Comert</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_bt_id'] )
        wc_add_notice( __( '<strong>Banca</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_ib_id'] )
        wc_add_notice( __( '<strong>IBAN</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_cf_id'] )
        wc_add_notice( __( '<strong>Cod Fiscal</strong> is a required field.', 'theme_domain' ), 'error' );
}


// Adding/Updating meta data to the order with the custom-fields values
add_action( 'woocommerce_checkout_update_order_meta', 'ba_custom_checkout_field_update_order_meta' );
function ba_custom_checkout_field_update_order_meta( $order_id ) {

    $billing_company = $_POST['billing_company'];
    $billing_ser_id  = $_POST['billing_ser_id'];
    $billing_bt_id   = $_POST['billing_bt_id'];
    $billing_ib_id   = $_POST['billing_ib_id'];
    $billing_cf_id   = $_POST['billing_cf_id'];

    // For Individual resetting billing company to "" (no value) instead of 'no'
    if ( !empty($billing_company) && 'no' == $billing_company )
        update_post_meta( $order_id, '_billing_company', '' );

    if ( !empty($billing_ser_id) )
        update_post_meta( $order_id, '_billing_ser_id', sanitize_text_field( $billing_ser_id ) );

    // Adding/updating data only for companies
    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        update_post_meta( $order_id, '_billing_bt_id', sanitize_text_field( $billing_bt_id ) );

    // Adding/updating data only for companies
    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        update_post_meta( $order_id, '_billing_ib_id', sanitize_text_field( $billing_ib_id ) );

    // Adding/updating data only for companies
    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        update_post_meta( $order_id, '_billing_cf_id', sanitize_text_field( $billing_cf_id ) );
}


// Display custom-field Title/values on the order edit page
add_action( 'woocommerce_admin_order_data_after_billing_address', 'ba_custom_checkout_field_display_admin_order_meta', 10, 1 );
function ba_custom_checkout_field_display_admin_order_meta( $order ){

    $output = '';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) ){
        $output .= '<p><strong>' . __( 'Nr. Reg. Comert', 'theme_domain' ) . ':</strong> ' . $billing_ser_id . '</p>';
    }

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id ){
        $output .= '<p><strong>' . __( 'Banca', 'theme_domain' ) . ':</strong> ' . $billing_bt_id . '</p>';
    }

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id ){
        $output .= '<p><strong>' . __( 'IBAN', 'theme_domain' ) . ':</strong> ' . $billing_ib_id . '</p>';
    }

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id ){
        $output .= '<p><strong>' . __( 'Cod Fiscal', 'theme_domain' ) . ':</strong> ' . $billing_cf_id . '</p>';
    }

    echo $output;
}

To display the data on the customer order view, on Thankyou page, My account order view and on email notifications, add this 2 code snippets in myfunction.php file:

// Displaying data on order view in "customer details" zone
add_action('woocommerce_order_details_after_customer_details','ba_add_values_to_order_item_meta', 10, 1 );
function ba_add_values_to_order_item_meta( $order ) {

    $output = '';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) )
        $output .= '
        <tr>
            <th>' . __( "Nr. Reg. Comert:", "woocommerce" ) . '</th>
            <td>' . $billing_ser_id . '</td>
        </tr>';

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        $output .= '
        <tr>
            <th>' . __( "Banca:", "woocommerce" ) . '</th>
            <td>' . $billing_bt_id . '</td>
        </tr>';

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        $output .= '
        <tr>
            <th>' . __( "IBAN:", "woocommerce" ) . '</th>
            <td>' . $billing_ib_id . '</td>
        </tr>';

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        $output .= '
        <tr>
            <th>' . __( "Cod Fiscal:", "woocommerce" ) . '</th>
            <td>' . $billing_cf_id . '</td>
        </tr>';

    echo $output;
}


// Displaying data on email notifications
add_action('woocommerce_email_customer_details','ba_add_values_to_emails_notifications', 15, 4 );
function ba_add_values_to_emails_notifications( $order, $sent_to_admin, $plain_text, $email ) {

    $output = '<ul>';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) )
        $output .= '<li><strong>' . __( "Nr. Reg. Comert:", "woocommerce" ) . '</strong> <span class="text">' . $billing_ser_id . '</span></li>';

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        $output .= '<li><strong>' . __( "Banca:", "woocommerce" ) . '</strong> <span class="text">' . $billing_bt_id . '</span></li>';

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        $output .= '<li><strong>' . __( "IBAN:", "woocommerce" ) . '</strong> <span class="text">' . $billing_ib_id . '</span></li>';

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        $output .= '<li><strong>' . __( "Cod Fiscal:", "woocommerce" ) . '</strong> <span class="text">' . $billing_cf_id . '</span></li>';
        $output .= '</ul>';

    echo $output;
}

Javascript cfields.js code (external file):

// This file named "cfields.js" goes in a subfolder "js" of your active child theme or theme

jQuery(document).ready(function($){

    // Common Serial ID field
    if(! $("#billing_ser_id_field").hasClass("validate-required") ){
        $("#billing_ser_id_field").addClass("validate-required");
    }


    // The 4 Fields to hide at start (if not "Persoana Juridica")
    if($("#billing_status option:selected").val() == "1"){
        $('#billing_company_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_company').val("no");
        });
        $('#billing_bt_id_field').hide(function(){
            $(this).removeClass("validate-

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Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

I have make some changes:

  • Lightly in ba_custom_checkout_billing_fields hooked function
  • Mostly in the javascript external file…

So Here is all your PHP code:

// Registering external jQuery/JS file
function cfields_scripts() {

    // IMPORTANT NOTE:
    // For a child theme replace get_template_directory_uri() by get_stylesheet_directory_uri()
    // The external cfields.js file goes in a subfolder "js" of your active child theme or theme.
    wp_enqueue_script( 'checkout_script', get_template_directory_uri().'/js/cfields.js', array('jquery'), '1.0', true );

}
add_action( 'wp_enqueue_scripts', 'cfields_scripts' );


add_filter( 'woocommerce_checkout_fields', 'ba_custom_checkout_billing_fields' );
function ba_custom_checkout_billing_fields( $fields ) {

    // 1. Creating the additional custom billing fields

    // The "status" selector
    $fields['billing']['billing_status']['type'] = 'select';
    $fields['billing']['billing_status']['class'] = array('form-row-wide, status-select');
    $fields['billing']['billing_status']['required'] = true;
    $fields['billing']['billing_status']['label'] = __('Statut Juridic', 'theme_domain');
    $fields['billing']['billing_status']['placeholder'] = __('Alege statutul', 'theme_domain');
    $fields['billing']['billing_status']['options'] = array(
        '1' => __( 'Persoana Fizica', 'theme_domain' ),
        '2' => __( 'Persoana Juridica', 'theme_domain' )
    );

    // The "Nr. registrul comertului" text field (this field is common)
    $fields['billing']['billing_ser_id']['type'] = 'text';
    $fields['billing']['billing_ser_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_ser_id']['required'] = false;
    $fields['billing']['billing_ser_id']['label'] = __('Nr. Reg. Comert', 'theme_domain');
    $fields['billing']['billing_ser_id']['placeholder'] = __('Introdu numarul', 'theme_domain');

    // The "Banca" text field
    $fields['billing']['billing_bt_id']['type'] = 'text';
    $fields['billing']['billing_bt_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_bt_id']['required'] = false;
    $fields['billing']['billing_bt_id']['label'] = __('Banca', 'theme_domain');
    $fields['billing']['billing_bt_id']['placeholder'] = __('Adauga Banca', 'theme_domain');

    // The "IBAN" text field
    $fields['billing']['billing_ib_id']['type'] = 'text';
    $fields['billing']['billing_ib_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_ib_id']['required'] = false;
    $fields['billing']['billing_ib_id']['label'] = __('IBAN', 'theme_domain');
    $fields['billing']['billing_ib_id']['placeholder'] = __('Adauga IBAN-ul', 'theme_domain');

    // The "CIF" text field
    $fields['billing']['billing_cf_id']['type'] = 'text';
    $fields['billing']['billing_cf_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_cf_id']['required'] = false;
    $fields['billing']['billing_cf_id']['label'] = __('Cod Fiscal', 'theme_domain');
    $fields['billing']['billing_cf_id']['placeholder'] = __('Adauga CIF-ul', 'theme_domain');


    // 2. Changing some existing billing fields

    // First name and Last name, disabling 'required'
    $fields['billing']['billing_first_name']['required'] = false;
    $fields['billing']['billing_last_name']['required'] = false;


    // 3. Ordering the billing fields

    $fields_order = array(
        'billing_first_name', 'billing_last_name', 'billing_email',
        'billing_phone',      'billing_address_1', 'billing_address_2',
        'billing_postcode',   'billing_city',      'billing_country',
        'billing_status',     'billing_company',   'billing_ser_id',
        'billing_bt_id',      'billing_ib_id',     'billing_cf_id'
    );

    foreach($fields_order as $field)
        $ordered_fields[$field] = $fields['billing'][$field];

    $fields['billing'] = $ordered_fields;


    // 4. Returning Checkout customized billing fields
    return $fields;

}


// Process the checkout (Checking if required fields are not empty)
add_action('woocommerce_checkout_process', 'ba_custom_checkout_field_process');
function ba_custom_checkout_field_process() {

    if ( ! $_POST['billing_ser_id'] )
        wc_add_notice( __( '<strong>Nr. Reg. Comert</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_bt_id'] )
        wc_add_notice( __( '<strong>Banca</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_ib_id'] )
        wc_add_notice( __( '<strong>IBAN</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_cf_id'] )
        wc_add_notice( __( '<strong>Cod Fiscal</strong> is a required field.', 'theme_domain' ), 'error' );
}


// Adding/Updating meta data to the order with the custom-fields values
add_action( 'woocommerce_checkout_update_order_meta', 'ba_custom_checkout_field_update_order_meta' );
function ba_custom_checkout_field_update_order_meta( $order_id ) {

    $billing_company = $_POST['billing_company'];
    $billing_ser_id  = $_POST['billing_ser_id'];
    $billing_bt_id   = $_POST['billing_bt_id'];
    $billing_ib_id   = $_POST['billing_ib_id'];
    $billing_cf_id   = $_POST['billing_cf_id'];

    if ( !empty($billing_company) && 'no' == $billing_company )
        update_post_meta( $order_id, '_billing_company', '' );

    ## Here we add 'no' == $billing_ser_id to the condition
    if ( !empty($billing_ser_id) && 'no' == $billing_ser_id )
        update_post_meta( $order_id, '_billing_ser_id', sanitize_text_field( $billing_ser_id ) );

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        update_post_meta( $order_id, '_billing_bt_id', sanitize_text_field( $billing_bt_id ) );

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        update_post_meta( $order_id, '_billing_ib_id', sanitize_text_field( $billing_ib_id ) );

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        update_post_meta( $order_id, '_billing_cf_id', sanitize_text_field( $billing_cf_id ) );
}


// Display custom-field Title/values on the order edit page
add_action( 'woocommerce_admin_order_data_after_billing_address', 'ba_custom_checkout_field_display_admin_order_meta', 10, 1 );
function ba_custom_checkout_field_display_admin_order_meta( $order ){

    $output = '';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) ){
        $output .= '<p><strong>' . __( 'Nr. Reg. Comert', 'theme_domain' ) . ':</strong> ' . $billing_ser_id . '</p>';
    }

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id ){
        $output .= '<p><strong>' . __( 'Banca', 'theme_domain' ) . ':</strong> ' . $billing_bt_id . '</p>';
    }

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id ){
        $output .= '<p><strong>' . __( 'IBAN', 'theme_domain' ) . ':</strong> ' . $billing_ib_id . '</p>';
    }

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id ){
        $output .= '<p><strong>' . __( 'Cod Fiscal', 'theme_domain' ) . ':</strong> ' . $billing_cf_id . '</p>';
    }

    echo $output;
}


// Displaying data on email notifications
add_action('woocommerce_email_customer_details','ba_add_values_to_emails_notifications', 15, 4 );
function ba_add_values_to_emails_notifications( $order, $sent_to_admin, $plain_text, $email ) {

    $output = '<ul>';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) )
        $output .= '<li><strong>' . __( "Nr. Reg. Comert:", "woocommerce" ) . '</strong> <span class="text">' . $billing_ser_id . '</span></li>';

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        $output .= '<li><strong>' . __( "Banca:", "woocommerce" ) . '</strong> <span class="text">' . $billing_bt_id . '</span></li>';

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        $output .= '<li><strong>' . __( "IBAN:", "woocommerce" ) . '</strong> <span class="text">' . $billing_ib_id . '</span></li>';

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        $output .= '<li><strong>' . __( "Cod Fiscal:", "woocommerce" ) . '</strong> <span class="text">' . $billing_cf_id . '</span></li>';
        $output .= '</ul>';

    echo $output;
}

And the external file cfields.js Javascript code (Updated):

// This file named "cfields.js" goes in a subfolder "js" of your active child theme or theme

jQuery(document).ready(function($){


    if($("#billing_status option:selected").val() == "1"){

        // HIDING FIELDS AT START (NOT "Persoana Juridica"):

        $('#billing_company_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_company').val("no");
        });
        $('#billing_bt_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_bt_id').val("no");
        });
        $('#billing_ib_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_ib_id').val("no");
        });
        $('#billing_cf_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_cf_id').val("no");
        });

        // SHOWING FIELDS AT START (NOT "Persoana Juridica"):

        // Serial ID field
        $('#billing_ser_id_field').show(function(){
            $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' );
            $(this).addClass("validate-required");
            $('#billing_ser_id').val("");
        });

        // SETTING REQUIRED FIELDS AT START (NOT "Persoana Juridica"):

        // First name field
        $('#billing_first_name_field').children('label').append( ' <abbr class="required" title="required">*</abbr>' );
        $('#billing_first_name_field').addClass("validate-required");

        // Last name field
        $('#billing_last_name_field').children('label').append( ' <abbr class="required" title="required">*</abbr>' );
        $('#billing_last_name_field').addClass("validate-required");

    } else {

        // Hide Serial ID field
        $('#billing_ser_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billin

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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