vendor and env first commit

vendor/nette/utils/src/Utils/Random.php

@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Utils;
+
+use Nette;
+use Random\Randomizer;
+
+
+/**
+ * Secure random string generator.
+ */
+final class Random
+{
+	use Nette\StaticClass;
+
+	/**
+	 * Generates a random string of given length from characters specified in second argument.
+	 * Supports intervals, such as `0-9` or `A-Z`.
+	 */
+	public static function generate(int $length = 10, string $charlist = '0-9a-z'): string
+	{
+		$charlist = preg_replace_callback(
+			'#.-.#',
+			fn(array $m): string => implode('', range($m[0][0], $m[0][2])),
+			$charlist,
+		);
+		$charlist = count_chars($charlist, mode: 3);
+		$chLen = strlen($charlist);
+
+		if ($length < 1) {
+			throw new Nette\InvalidArgumentException('Length must be greater than zero.');
+		} elseif ($chLen < 2) {
+			throw new Nette\InvalidArgumentException('Character list must contain at least two chars.');
+		} elseif (PHP_VERSION_ID >= 80300) {
+			return (new Randomizer)->getBytesFromString($charlist, $length);
+		}
+
+		$res = '';
+		for ($i = 0; $i < $length; $i++) {
+			$res .= $charlist[random_int(0, $chLen - 1)];
+		}
+
+		return $res;
+	}
+}