G-Form Submission that take the booking form and places the submission into a table.

functions.php

<?php
add_action( 'gform_after_submission_1', 'input_fields', 10, 2 ); 

function input_fields( $entry, $form ) { 
global $wpdb; 
$result = $wpdb->insert('wp_booking', array( 
  'booking_profname' => rgar( $entry, '4' ), 
  'booking_language' => rgar( $entry, '18' ), 
  'booking_gender' => rgar( $entry, '5' ), 
  'booking_date' => rgar( $entry, '7' ), 
  'booking_time' => rgar( $entry, '8' ), 
  'booking_duration' => rgar( $entry, '10' ), 
  'booking_interviewname' => rgar( $entry, '11' ),
  'booking_id' => rgar ( $entry, '19'),
  'user_id' => rgar( $entry, '23'),
  'booking_type' => rgar ($entry, '24' ),
  'booking_contnum' => rgar ($entry, '26'),
  'booking_nature' => rgar ($entry, '30'),

));

GFCommon::log_debug( __METHOD__ . '(): result => ' . var_export( $result, true ) );
if ( $result === false ) {
GFCommon::log_debug( __METHOD__ . '(): error => ' . $wpdb->last_error );
}

} 
?>