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vendor/workerman/validation/library/Rules/FloatVal.php

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+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use function filter_var;
+use function is_float;
+
+use const FILTER_VALIDATE_FLOAT;
+
+/**
+ * Validate whether the input value is float.
+ *
+ * @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ * @author Danilo Benevides <danilobenevides01@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author Jayson Reis <santosdosreis@gmail.com>
+ */
+final class FloatVal extends AbstractRule
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        return is_float(filter_var($input, FILTER_VALIDATE_FLOAT));
+    }
+}