Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/imagify/inc/functions/partners.php

@@ -0,0 +1,38 @@
+<?php
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Get the partner ID stored in the database.
+ *
+ * @since  1.6.14
+ * @author Grégory Viguier
+ *
+ * @return string|bool The partner ID. False otherwise.
+ */
+function imagify_get_partner() {
+	if ( class_exists( 'Imagify_Partner' ) ) {
+		return Imagify_Partner::get_stored_partner();
+	}
+
+	$partner = get_option( 'imagifyp_id' );
+
+	if ( $partner && is_string( $partner ) ) {
+		$partner = preg_replace( '@[^a-z0-9_-]@', '', strtolower( $partner ) );
+	}
+
+	return $partner ? $partner : false;
+}
+
+/**
+ * Delete the partner ID stored in the database.
+ *
+ * @since  1.6.14
+ * @author Grégory Viguier
+ */
+function imagify_delete_partner() {
+	if ( class_exists( 'Imagify_Partner' ) ) {
+		Imagify_Partner::delete_stored_partner();
+	} elseif ( false !== get_option( 'imagifyp_id' ) ) {
+		delete_option( 'imagifyp_id' );
+	}
+}