gfcs-auto-chained-select.php: Migrating from experimental folder. (#929)

Author: spivurno

gravity-forms/gfcs-auto-chained-select.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * Gravity Wiz // Gravity Forms Chained Selects // Auto Select Only Option
+ * https://gravitywiz.com/
+ *
+ * The Gravity Forms Chained Selects field requires you to manually select a value in each Drop Down
+ * even if there is only a single option available in that Drop Down. This snippet will automatically
+ * selected an option when it is the only option available.
+ */
+add_filter( 'gform_chained_selects_input_choices', function( $choices ) {
+	$choices = gfcs_auto_select_only_choice( $choices );
+	return $choices;
+} );
+
+function gfcs_auto_select_only_choice( $choices ) {
+
+	$choices[0]['isSelected'] = $choices[0]['isSelected'] || count( $choices ) <= 1;
+
+	if ( ! empty( $choices['choices'] ) ) {
+		$choices['choices'] = gfcs_auto_select_only_choice( $choices['choices'] );
+	}
+
+	return $choices;
+}