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vendor/respect/stringifier/src/Stringifiers/InfiniteStringifier.php

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+<?php
+
+/*
+ * This file is part of Respect/Stringifier.
+ *
+ * (c) Henrique Moody <henriquemoody@gmail.com>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Stringifier\Stringifiers;
+
+use function is_float;
+use function is_infinite;
+use Respect\Stringifier\Quoter;
+use Respect\Stringifier\Stringifier;
+
+/**
+ * Converts an infinite float value into a string.
+ *
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+final class InfiniteStringifier implements Stringifier
+{
+    /**
+     * @var Quoter
+     */
+    private $quoter;
+
+    /**
+     * Initializes the stringifier.
+     *
+     * @param Quoter $quoter
+     */
+    public function __construct(Quoter $quoter)
+    {
+        $this->quoter = $quoter;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function stringify($raw, int $depth): ?string
+    {
+        if (!is_float($raw)) {
+            return null;
+        }
+
+        if (!is_infinite($raw)) {
+            return null;
+        }
+
+        return $this->quoter->quote(($raw > 0 ? '' : '-').'INF', $depth);
+    }
+}