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vendor/workerman/validation/library/Rules/Phone.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 is_scalar;
+use function preg_match;
+use function sprintf;
+
+/**
+ * Validates whether the input is a valid phone number.
+ *
+ * Validates a valid 7, 10, 11 digit phone number (North America, Europe and
+ * most Asian and Middle East countries), supporting country and area codes (in
+ * dot,space or dashed notations)
+ *
+ * @author Danilo Correa <danilosilva87@gmail.com>
+ * @author Graham Campbell <graham@mineuk.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+final class Phone extends AbstractRule
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        if (!is_scalar($input)) {
+            return false;
+        }
+
+        return preg_match($this->getPregFormat(), (string) $input) > 0;
+    }
+
+    private function getPregFormat(): string
+    {
+        return sprintf(
+            '/^\+?(%1$s)? ?(?(?=\()(\(%2$s\) ?%3$s)|([. -]?(%2$s[. -]*)?%3$s))$/',
+            '\d{0,3}',
+            '\d{1,3}',
+            '((\d{3,5})[. -]?(\d{4})|(\d{2}[. -]?){4})'
+        );
+    }
+}