v0.0.0 Initial Commit

vendor/illuminate/database/Eloquent/Factories/Sequence.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Factories;
+
+class Sequence
+{
+    /**
+     * The sequence of return values.
+     *
+     * @var array
+     */
+    protected $sequence;
+
+    /**
+     * The count of the sequence items.
+     *
+     * @var int
+     */
+    protected $count;
+
+    /**
+     * The current index of the sequence.
+     *
+     * @var int
+     */
+    protected $index = 0;
+
+    /**
+     * Create a new sequence instance.
+     *
+     * @param  array  $sequence
+     * @return void
+     */
+    public function __construct(...$sequence)
+    {
+        $this->sequence = $sequence;
+        $this->count = count($sequence);
+    }
+
+    /**
+     * Get the next value in the sequence.
+     *
+     * @return mixed
+     */
+    public function __invoke()
+    {
+        if ($this->index >= $this->count) {
+            $this->index = 0;
+        }
+
+        return tap(value($this->sequence[$this->index]), function () {
+            $this->index = $this->index + 1;
+        });
+    }
+}