WPML translate Contact Form 7

The code snippet below demonstrates how to translate Contact Form 7 forms using the WPML plugin in WordPress. This is useful when you have a multilingual website and want to display the form in different languages.

function wpsnippets_translate_contact_form( $form ) {
    if ( function_exists( 'icl_object_id' ) ) {
        $form_id = icl_object_id( $form->id(), 'wpcf7_contact_form', true, 'en' );
        $translated_form = WPCF7_ContactForm::get_instance( $form_id );

        if ( $translated_form ) {
            $form = $translated_form;
        }
    }

    return $form;
}
add_filter( 'wpcf7_contact_form', 'wpsnippets_translate_contact_form' );

This code snippet uses the wpcf7_contact_form filter hook to modify the Contact Form 7 form object. It checks if the WPML plugin is active (function_exists( 'icl_object_id' )) and then uses the icl_object_id function to get the translated form ID based on the current language. If a translated form exists, it replaces the original form with the translated form.

To use this code snippet, simply add it to your theme’s functions.php file or a custom plugin file. After adding the code, the Contact Form 7 forms on your website will be automatically translated based on the current language set in WPML.

Note: This code assumes that you have already set up WPML and translated the Contact Form 7 forms in the WPML translation interface.

Examples

Example 1: Translating Contact Form 7 using WPML

This example demonstrates how to translate a Contact Form 7 form using the WPML plugin.

function wpsnippets_translate_contact_form( $form ) {
    if ( function_exists( 'icl_object_id' ) ) {
        $form_id = icl_object_id( $form->id(), 'wpcf7_contact_form', true );
        if ( $form_id ) {
            $form->set_id( $form_id );
        }
    }
    return $form;
}
add_filter( 'wpcf7_contact_form', 'wpsnippets_translate_contact_form' );

This code snippet uses the wpcf7_contact_form filter to translate a Contact Form 7 form using WPML. It checks if the icl_object_id function exists (provided by WPML) and if it does, it retrieves the translated form ID using the icl_object_id function. If a translated form ID is found, it sets the form ID to the translated ID using the set_id method of the $form object. Finally, it returns the modified form.

Example 2: Translating Contact Form 7 form fields using WPML

This example demonstrates how to translate the labels and placeholders of Contact Form 7 form fields using WPML.

function wpsnippets_translate_form_fields( $tag ) {
    if ( function_exists( 'icl_translate' ) ) {
        $tag->name = icl_translate( 'Contact Form 7', 'cf7-field-' . $tag->name, $tag->name );
        $tag->values = icl_translate( 'Contact Form 7', 'cf7-field-' . $tag->name . '-values', $tag->values );
        $tag->labels = icl_translate( 'Contact Form 7', 'cf7-field-' . $tag->name . '-labels', $tag->labels );
        $tag->placeholders = icl_translate( 'Contact Form 7', 'cf7-field-' . $tag->name . '-placeholders', $tag->placeholders );
    }
    return $tag;
}
add_filter( 'wpcf7_form_tag', 'wpsnippets_translate_form_fields' );

This code snippet uses the wpcf7_form_tag filter to translate the labels and placeholders of Contact Form 7 form fields using WPML. It checks if the icl_translate function exists (provided by WPML) and if it does, it translates the field name, values, labels, and placeholders using the icl_translate function. The translations are based on the field name and are prefixed with ‘cf7-field-‘ to ensure uniqueness. Finally, it returns the modified $tag object.

Example 3: Translating Contact Form 7 error messages using WPML

This example demonstrates how to translate the error messages of Contact Form 7 using WPML.

function wpsnippets_translate_error_messages( $messages ) {
    if ( function_exists( 'icl_translate' ) ) {
        $messages['invalid_email'] = icl_translate( 'Contact Form 7', 'cf7-error-invalid-email', $messages['invalid_email'] );
        $messages['invalid_required'] = icl_translate( 'Contact Form 7', 'cf7-error-invalid-required', $messages['invalid_required'] );
        $messages['spam'] = icl_translate( 'Contact Form 7', 'cf7-error-spam', $messages['spam'] );
        // Add more error messages to translate here
    }
    return $messages;
}
add_filter( 'wpcf7_validation_error_messages', 'wpsnippets_translate_error_messages' );

This code snippet uses the wpcf7_validation_error_messages filter to translate the error messages of Contact Form 7 using WPML. It checks if the icl_translate function exists (provided by WPML) and if it does, it translates the error messages using the icl_translate function. The translations are based on the error message keys and are prefixed with ‘cf7-error-‘ to ensure uniqueness. Finally, it returns the modified $messages array.