Version 1

[yaffs-website] / vendor / phpunit / phpunit / src / Util / String.php

diff --git a/vendor/phpunit/phpunit/src/Util/String.php b/vendor/phpunit/phpunit/src/Util/String.php
new file mode 100644 (file)
index 0000000..18f8593
--- /dev/null
+++ b/vendor/phpunit/phpunit/src/Util/String.php
@@ -0,0 +1,71 @@
+<?php
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * String helpers.
+ *
+ * @since Class available since Release 3.6.0
+ */
+class PHPUnit_Util_String
+{
+    /**
+     * Converts a string to UTF-8 encoding.
+     *
+     * @param string $string
+     *
+     * @return string
+     */
+    public static function convertToUtf8($string)
+    {
+        if (!self::isUtf8($string)) {
+            if (function_exists('mb_convert_encoding')) {
+                $string = mb_convert_encoding($string, 'UTF-8');
+            } else {
+                $string = utf8_encode($string);
+            }
+        }
+
+        return $string;
+    }
+
+    /**
+     * Checks a string for UTF-8 encoding.
+     *
+     * @param string $string
+     *
+     * @return bool
+     */
+    protected static function isUtf8($string)
+    {
+        $length = strlen($string);
+
+        for ($i = 0; $i < $length; $i++) {
+            if (ord($string[$i]) < 0x80) {
+                $n = 0;
+            } elseif ((ord($string[$i]) & 0xE0) == 0xC0) {
+                $n = 1;
+            } elseif ((ord($string[$i]) & 0xF0) == 0xE0) {
+                $n = 2;
+            } elseif ((ord($string[$i]) & 0xF0) == 0xF0) {
+                $n = 3;
+            } else {
+                return false;
+            }
+
+            for ($j = 0; $j < $n; $j++) {
+                if ((++$i == $length) || ((ord($string[$i]) & 0xC0) != 0x80)) {
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
+}