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vendor/workerman/validation/library/Rules/EndsWith.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 end;
+use function is_array;
+use function mb_detect_encoding;
+use function mb_strlen;
+use function mb_strripos;
+use function mb_strrpos;
+
+/**
+ * Validates only if the value is at the end of the input.
+ *
+ * @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author Hugo Hamon <hugo.hamon@sensiolabs.com>
+ * @author William Espindola <oi@williamespindola.com.br>
+ */
+final class EndsWith extends AbstractRule
+{
+    /**
+     * @var mixed
+     */
+    private $endValue;
+
+    /**
+     * @var bool
+     */
+    private $identical;
+
+    /**
+     * @param mixed $endValue
+     */
+    public function __construct($endValue, bool $identical = false)
+    {
+        $this->endValue = $endValue;
+        $this->identical = $identical;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        if ($this->identical) {
+            return $this->validateIdentical($input);
+        }
+
+        return $this->validateEquals($input);
+    }
+
+    /**
+     * @param mixed $input
+     */
+    private function validateEquals($input): bool
+    {
+        if (is_array($input)) {
+            return end($input) == $this->endValue;
+        }
+
+        $encoding = (string) mb_detect_encoding($input);
+        $endPosition = mb_strlen($input, $encoding) - mb_strlen($this->endValue, $encoding);
+
+        return mb_strripos($input, $this->endValue, -1, $encoding) === $endPosition;
+    }
+
+    /**
+     * @param mixed $input
+     */
+    private function validateIdentical($input): bool
+    {
+        if (is_array($input)) {
+            return end($input) === $this->endValue;
+        }
+
+        $encoding = (string) mb_detect_encoding($input);
+        $endPosition = mb_strlen($input, $encoding) - mb_strlen($this->endValue, $encoding);
+
+        return mb_strrpos($input, $this->endValue, 0, $encoding) === $endPosition;
+    }
+}