Version 1

[yaffs-website] / vendor / dflydev / placeholder-resolver / src / Dflydev / PlaceholderResolver / DataSource / DataSourceInterface.php

diff --git a/vendor/dflydev/placeholder-resolver/src/Dflydev/PlaceholderResolver/DataSource/DataSourceInterface.php b/vendor/dflydev/placeholder-resolver/src/Dflydev/PlaceholderResolver/DataSource/DataSourceInterface.php
new file mode 100644 (file)
index 0000000..a8ffe44
--- /dev/null
+++ b/vendor/dflydev/placeholder-resolver/src/Dflydev/PlaceholderResolver/DataSource/DataSourceInterface.php
@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is a part of dflydev/placeholder-resolver.
+ *
+ * (c) Dragonfly Development Inc.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Dflydev\PlaceholderResolver\DataSource;
+
+interface DataSourceInterface
+{
+    /**
+     * Does specified key exist?
+     *
+     * If $system is true, check system data. Otherwise,
+     * use application data. (think system == $_SERVER)
+     *
+     * @param string    $key
+     * @param bool|null $system
+     *
+     * @return bool
+     */
+    public function exists($key, $system = false);
+
+    /**
+     * Get key's value
+     *
+     * If $system is true, check system data. Otherwise,
+     * use application data. (think system == $_SERVER)
+     *
+     * @param string    $key
+     * @param bool|null $system
+     *
+     * @return string|null
+     */
+    public function get($key, $system = false);
+}