1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/dragonmantank/cron-expression/src/Cron/FieldInterface.php b/vendor/dragonmantank/cron-expression/src/Cron/FieldInterface.php
new file mode 100644
index 0000000..f8366ea
--- /dev/null
+++ b/vendor/dragonmantank/cron-expression/src/Cron/FieldInterface.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Cron;
+
+use DateTimeInterface;
+
+/**
+ * CRON field interface
+ */
+interface FieldInterface
+{
+    /**
+     * Check if the respective value of a DateTime field satisfies a CRON exp
+     *
+     * @param DateTimeInterface $date  DateTime object to check
+     * @param string            $value CRON expression to test against
+     *
+     * @return bool Returns TRUE if satisfied, FALSE otherwise
+     */
+    public function isSatisfiedBy(DateTimeInterface $date, $value);
+
+    /**
+     * When a CRON expression is not satisfied, this method is used to increment
+     * or decrement a DateTime object by the unit of the cron field
+     *
+     * @param DateTimeInterface &$date  DateTime object to change
+     * @param bool              $invert (optional) Set to TRUE to decrement
+     *
+     * @return FieldInterface
+     */
+    public function increment(DateTimeInterface &$date, $invert = false);
+
+    /**
+     * Validates a CRON expression for a given field
+     *
+     * @param string $value CRON expression value to validate
+     *
+     * @return bool Returns TRUE if valid, FALSE otherwise
+     */
+    public function validate($value);
+}