update project

vendor/symfony/polyfill-php86/Php86.php

@@ -0,0 +1,78 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Polyfill\Php86;
+
+/**
+ * @author kylekatarnls <kylekatarnls@gmail.com>
+ *
+ * @internal
+ */
+final class Php86
+{
+    /**
+     * @template Value
+     * @template Minimum
+     * @template Maximum
+     *
+     * @param Value   $value
+     * @param Minimum $min
+     * @param Maximum $max
+     *
+     * @return Value|Minimum|Maximum
+     */
+    public static function clamp($value, $min, $max)
+    {
+        if (\is_float($min) && is_nan($min)) {
+            self::throwValueErrorIfAvailable('clamp(): Argument #2 ($min) must not be NAN');
+        }
+
+        if (\is_float($max) && is_nan($max)) {
+            self::throwValueErrorIfAvailable('clamp(): Argument #3 ($max) must not be NAN');
+        }
+
+        if ($max < $min) {
+            self::throwValueErrorIfAvailable('clamp(): Argument #2 ($min) must be smaller than or equal to argument #3 ($max)');
+        }
+
+        if ($value > $max) {
+            return $max;
+        }
+
+        if ($value < $min) {
+            return $min;
+        }
+
+        return $value;
+    }
+
+    private static function throwValueErrorIfAvailable(string $message): void
+    {
+        if (!class_exists(\ValueError::class)) {
+            throw new \InvalidArgumentException($message);
+        }
+
+        throw new \ValueError($message);
+    }
+
+    public static function grapheme_strrev(string $string)
+    {
+        if (!preg_match('//u', $string)) {
+            return false;
+        }
+
+        if (false === $units = grapheme_str_split($string)) {
+            return false;
+        }
+
+        return implode('', array_reverse($units));
+    }
+}