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vendor/workerman/validation/library/Rules/AbstractComparison.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 Respect\Validation\Helpers\CanCompareValues;
+
+/**
+ * Abstract class to help on creating rules that compare value.
+ *
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+abstract class AbstractComparison extends AbstractRule
+{
+    use CanCompareValues;
+
+    /**
+     * @var mixed
+     */
+    private $compareTo;
+
+    /**
+     * Initializes the rule by setting the value to be compared to the input.
+     *
+     * @param mixed $maxValue
+     */
+    public function __construct($maxValue)
+    {
+        $this->compareTo = $maxValue;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        $left = $this->toComparable($input);
+        $right = $this->toComparable($this->compareTo);
+
+        if (!$this->isAbleToCompareValues($left, $right)) {
+            return false;
+        }
+
+        return $this->compare($left, $right);
+    }
+
+    /**
+     * Compare both values and return whether the comparison is valid or not.
+     *
+     * @param mixed $left
+     * @param mixed $right
+     */
+    abstract protected function compare($left, $right): bool;
+}