Strings::trim() trims unicode spaces and ZWSP (#304)

Author: CrazyMuffin

src/Utils/Strings.php

@@ -21,7 +21,7 @@ class Strings
 {
 	use Nette\StaticClass;
 
-	public const TrimCharacters = " \t\n\r\0\x0B\u{A0}";
+	public const TrimCharacters = " \t\n\r\0\x0B\u{A0}\u{2000}\u{2001}\u{2002}\u{2003}\u{2004}\u{2005}\u{2006}\u{2007}\u{2008}\u{2009}\u{200A}\u{200B}";
 
 	/** @deprecated use Strings::TrimCharacters */
 	public const TRIM_CHARACTERS = self::TrimCharacters;

tests/Utils/Strings.trim().phpt

@@ -17,6 +17,7 @@ Assert::same('x', Strings::trim(" \t\n\r\x00\x0B\u{A0}x"));
 Assert::same('a b', Strings::trim(' a b '));
 Assert::same(' a b ', Strings::trim(' a b ', ''));
 Assert::same('e', Strings::trim("\u{158}e-", "\u{158}-")); // Ře-
+Assert::same('foo', Strings::trim("\u{2000}\u{200B}foo"));
 
 Assert::exception(
 	fn() => Strings::trim("\xC2x\xA0"),