Add - Added function to get next key in array

includes/evf-core-functions.php

@@ -1132,7 +1132,7 @@
  * @return array of form data.
  */
 function evf_get_all_forms( $skip_disabled_entries = false, $check_disable_storing_entry_info = true ) {
 	if( is_null( evf()->form ) ) {
 		return array();
 	}
 	$forms    = array();
@@ -1568,11 +1568,11 @@
 	return false;
 }
 
 /** To handle the backward compatibility for those user who is still using the plus and professional plan license key.
 *
 * @since 3.0.0
 * @param $license_plan License plan.
 */
 function evf_handle_license_plan_compatibility( $license_plan ) {
 	$license_plan = ( 'plus' === $license_plan || 'professional' === $license_plan ) ? 'personal' : $license_plan;
 	return $license_plan;
@@ -5575,3 +5575,21 @@
 		)
 	);
 }
+
+/**
+ * Retrieve the next key in an array from given key.
+ *
+ * @param    array   $arr        List of items in a form of array.
+ * @param    integer $key        Key to search and find within the array.
+ * @return   mixed
+ */
+function evf_get_next_key_array( $arr, $key ) {
+	$keys     = array_keys( $arr );
+	$position = array_search( $key, $keys, true );
+
+	if ( isset( $keys[ $position + 1 ] ) ) {
+		$next_key = $keys[ $position + 1 ];
+	}
+
+	return isset( $next_key ) ? $next_key : "" ;
+}