gr_change_submit_button_text

<?php
//Copy everything below this line

/**
* GravityRanger Change Submit Button Text
*
* Allows you to change the submit button text after the button is clicked.
* https://gravityranger.com/change-gravity-forms-submit-button-text-after-submission/
* 
* @instructions:
* 
*  1. Change the $onclick value to whatever you'd like, currently set to "Sending, standby..." (end of line 28)
*  2. Add this code snippet to your functions.php file or a functionality plugin like WPCodeBox
*  3. This snippet applies to all forms, to target a specific form append the form id to the hook i.e gform_submit_button_ID
* 
* @version  0.1
* @author   Samuel Aguilera (Gravity Forms Support Engineer)
* @license  GPL-2.0+
* @link     http://gravityranger.com/
* @credits  Gravity Forms Doc https://docs.gravityforms.com/gform_submit_button/
*
*
*/

add_filter( 'gform_submit_button', 'gr_change_submit_button_text', 10, 2 );
  function gr_change_submit_button_text( $button, $form ) { 
    $dom = new DOMDocument(); $dom->loadHTML( '<?xml encoding="utf-8" ?>' . $button );
    $input = $dom->getElementsByTagName( 'input' )->item(0); $onclick = $input->getAttribute( 'onclick' ); $onclick .= " this.value='Sending, standby...';";
    $input->setAttribute( 'onclick', $onclick );
    return $dom->saveHtml( $input );
}