Added the dynamic select

dynamic-select-plugin/cklph-ff-custom-select.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * Plugin Name: Chykalophia Custom Select for Fluent Forms
+ * Description: An extension plugin for fluentforms that generates a dynamic select from specific custom post types.
+ * Source: https://fluentforms.com/docs/fluenform_rendering_field_data_select/
+ */
+
+/**
+ * The code that runs during plugin acivation and deactivation
+ */
+function cklph_ff_custom_select_activate_deactivate() {
+	flush_rewrite_rules();
+}
+
+register_activation_hook( __FILE__, 'cklph_ff_custom_select_activate_deactivate' );
+register_deactivation_hook( __FILE__, 'cklph_ff_custom_select_activate_deactivate' );
+
+/** A filter used in fluent forms to update a select field */
+add_filter( 'fluentform_rendering_field_data_select', function ( $data, $form ) {
+
+	// Used to identify the form id for the dynamic select.
+	if ( $form->id != 7 ) {
+		return $data;
+	}
+
+	// check if the name attriibute of the select field in fluent forms is 'dynamic_dropdown'.
+	if ( \FluentForm\Framework\Helpers\ArrayHelper::get( $data, 'attributes.name' ) != 'dynamic_dropdown' ) {
+		return $data;
+	}
+
+	$product_titles = get_product_titles();
+	$dropdown_data = array();
+
+	foreach ( $product_titles as $product_title ) {
+		$dropdown_data[] = array(
+			'label'      => esc_attr( $product_title ),
+			'value'      => esc_attr( $product_title ),
+			'calc_value' => '1',
+		);
+	}
+	// We are merging with existing options here.
+	$data['settings']['advanced_options'] = $dropdown_data;
+
+	return $data;
+}, 10, 2);
+
+/**
+ * Custom function to get the product titles of a CPT. For this example, gets product CPT's.
+ *
+ * @return String array of CPT titles
+ */
+function get_product_titles() {
+	$titles = array();
+	$args   = array(
+		'post_type'      => 'product',
+		'posts_per_page' => 10,
+	);
+	$loop = new WP_Query( $args );
+	while ( $loop->have_posts() ) {
+		$loop->the_post();
+		$titles[] = get_the_title();
+	}
+
+	return $titles;
+}
+
+$data = apply_filters( 'fluentform_rendering_field_data_select', $data, $form );