Add new labels

lib/Encoding/Big5.php

@@ -8,7 +8,13 @@ namespace MensBeam\Intl\Encoding;
 
 class Big5 extends AbstractEncoding implements StatelessEncoding {
     const NAME = "Big5";
-    const LABELS = ["big5", "big5-hkscs", "cn-big5", "csbig5", "x-x-big5"];
+    const LABELS = [
+        "big5", 
+        "big5-hkscs", 
+        "cn-big5", 
+        "csbig5", 
+        "x-x-big5"
+    ];
     const TABLE_DOUBLES = [
         1133 => [0x00CA, 0x0304],
         1135 => [0x00CA, 0x030C],

lib/Encoding/UTF16BE.php

@@ -9,5 +9,8 @@ namespace MensBeam\Intl\Encoding;
 class UTF16BE extends UTF16 {
     const BE = true;
     const NAME = "UTF-16BE";
-    const LABELS = ["utf-16be"];
+    const LABELS = [
+        "unicodefffe", 
+        "utf-16be"
+    ];
 }

lib/Encoding/UTF16LE.php

@@ -9,5 +9,13 @@ namespace MensBeam\Intl\Encoding;
 class UTF16LE extends UTF16 {
     const BE = false;
     const NAME = "UTF-16LE";
-    const LABELS = ["utf-16", "utf-16le"];
+    const LABELS = [
+        "csunicode",
+        "iso-10646-ucs-2",
+        "ucs-2",
+        "unicode",
+        "unicodefeff",
+        "utf-16",
+        "utf-16le"
+    ];
 }

lib/Encoding/UTF8.php

@@ -8,7 +8,14 @@ namespace MensBeam\Intl\Encoding;
 
 class UTF8 extends AbstractEncoding implements StatelessEncoding {
     const NAME = "UTF-8";
-    const LABELS = ["unicode-1-1-utf-8", "utf-8", "utf8"];
+    const LABELS = [
+        "unicode-1-1-utf-8", 
+        "unicode11utf8", 
+        "unicode20utf8",
+        "utf-8", 
+        "utf8", 
+        "x-unicode20utf8"
+    ];
 
     protected $selfSynchronizing = true;