add StringHelper::bytes2Str

kakuilan · Oct 24, 2021 · 62f439c · 62f439c
1 parent 1bbe5bf
commit 62f439c
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diff --git a/src/Helpers/StringHelper.php b/src/Helpers/StringHelper.php
@@ -993,6 +993,23 @@ public static function toBytes(string $str): array {
     }
 
 
+    /**
+     * 字节数组转字符串
+     * @param array $arr
+     * @return string
+     */
+    public static function bytes2Str(array $arr): string {
+        $res = '';
+        $len = count($arr);
+        for ($i = 0; $i < $len; $i++) {
+            $cod = intval($arr[$i]);
+            $res .= chr($cod);
+        }
+
+        return $res;
+    }
+
+
     /**
      * 检查字符串 $str 是否包含数组$arr的元素之一
      * @param string $str

diff --git a/tests/Unit/StringHelperTest.php b/tests/Unit/StringHelperTest.php
@@ -689,4 +689,15 @@ public function testGrapBrackets() {
     }
 
 
+    public function testToBytes() {
+        $str = "Hello World! 你好，世界！Olá🐍 With Emojis 🐳📜";
+
+        $res1 = StringHelper::toBytes($str);
+        $res2 = StringHelper::bytes2Str($res1);
+
+        $this->assertEquals(count($res1), strlen($str));
+        $this->assertEquals($str, $res2);
+    }
+
+
 }