3 files changed, 137 insertions, 0 deletions
diff --git a/vendor/psr/simple-cache/src/CacheException.php b/vendor/psr/simple-cache/src/CacheException.php
new file mode 100644
index 0000000..4e5a06d
--- /dev/null
+++ b/vendor/psr/simple-cache/src/CacheException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Psr\SimpleCache;
+
+/**
+ * Interface used for all types of exceptions thrown by the implementing library.
+ */
+interface CacheException
+{
+}
diff --git a/vendor/psr/simple-cache/src/CacheInterface.php b/vendor/psr/simple-cache/src/CacheInterface.php
new file mode 100644
index 0000000..0cffe91
--- /dev/null
+++ b/vendor/psr/simple-cache/src/CacheInterface.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace Psr\SimpleCache;
+
+interface CacheInterface
+{
+    /**
+     * Fetches a value from the cache.
+     *
+     * @param string $key     The unique key of this item in the cache.
+     * @param mixed  $default Default value to return if the key does not exist.
+     *
+     * @return mixed The value of the item from the cache, or $default in case of cache miss.
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if the $key string is not a legal value.
+     */
+    public function get($key, $default = null);
+
+    /**
+     * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time.
+     *
+     * @param string                 $key   The key of the item to store.
+     * @param mixed                  $value The value of the item to store, must be serializable.
+     * @param null|int|\DateInterval $ttl   Optional. The TTL value of this item. If no value is sent and
+     *                                      the driver supports TTL then the library may set a default value
+     *                                      for it or let the driver take care of that.
+     *
+     * @return bool True on success and false on failure.
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if the $key string is not a legal value.
+     */
+    public function set($key, $value, $ttl = null);
+
+    /**
+     * Delete an item from the cache by its unique key.
+     *
+     * @param string $key The unique cache key of the item to delete.
+     *
+     * @return bool True if the item was successfully removed. False if there was an error.
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if the $key string is not a legal value.
+     */
+    public function delete($key);
+
+    /**
+     * Wipes clean the entire cache's keys.
+     *
+     * @return bool True on success and false on failure.
+     */
+    public function clear();
+
+    /**
+     * Obtains multiple cache items by their unique keys.
+     *
+     * @param iterable $keys    A list of keys that can obtained in a single operation.
+     * @param mixed    $default Default value to return for keys that do not exist.
+     *
+     * @return iterable A list of key => value pairs. Cache keys that do not exist or are stale will have $default as value.
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if $keys is neither an array nor a Traversable,
+     *   or if any of the $keys are not a legal value.
+     */
+    public function getMultiple($keys, $default = null);
+
+    /**
+     * Persists a set of key => value pairs in the cache, with an optional TTL.
+     *
+     * @param iterable               $values A list of key => value pairs for a multiple-set operation.
+     * @param null|int|\DateInterval $ttl    Optional. The TTL value of this item. If no value is sent and
+     *                                       the driver supports TTL then the library may set a default value
+     *                                       for it or let the driver take care of that.
+     *
+     * @return bool True on success and false on failure.
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if $values is neither an array nor a Traversable,
+     *   or if any of the $values are not a legal value.
+     */
+    public function setMultiple($values, $ttl = null);
+
+    /**
+     * Deletes multiple cache items in a single operation.
+     *
+     * @param iterable $keys A list of string-based keys to be deleted.
+     *
+     * @return bool True if the items were successfully removed. False if there was an error.
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if $keys is neither an array nor a Traversable,
+     *   or if any of the $keys are not a legal value.
+     */
+    public function deleteMultiple($keys);
+
+    /**
+     * Determines whether an item is present in the cache.
+     *
+     * NOTE: It is recommended that has() is only to be used for cache warming type purposes
+     * and not to be used within your live applications operations for get/set, as this method
+     * is subject to a race condition where your has() will return true and immediately after,
+     * another script can remove it making the state of your app out of date.
+     *
+     * @param string $key The cache item key.
+     *
+     * @return bool
+     *
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     *   MUST be thrown if the $key string is not a legal value.
+     */
+    public function has($key);
+}
diff --git a/vendor/psr/simple-cache/src/InvalidArgumentException.php b/vendor/psr/simple-cache/src/InvalidArgumentException.php
new file mode 100644
index 0000000..f97bca0
--- /dev/null
+++ b/vendor/psr/simple-cache/src/InvalidArgumentException.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Psr\SimpleCache;
+
+/**
+ * Exception interface for invalid cache arguments.
+ *
+ * When an invalid argument is passed it must throw an exception which implements
+ * this interface
+ */
+interface InvalidArgumentException extends CacheException
+{
+}