Add src files for CoreLibs composer all package

src/Create/Hash.php

@@ -0,0 +1,122 @@
+<?php
+
+/*
+ * hash wrapper functions for old problem fixes
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Create;
+
+class Hash
+{
+	public const STANDARD_HASH_LONG = 'ripemd160';
+	public const STANDARD_HASH_SHORT = 'adler32';
+
+	/**
+	 * checks php version and if >=5.2.7 it will flip the string
+	 * can return empty string if none of string sets work
+	 * hash returns false
+	 * preg_replace fails for older php version
+	 * Use __hash with crc32b or hash('crc32b', ...) for correct output
+	 *
+	 * @param  string $string string to crc
+	 * @return string         crc32b hash (old type)
+	 */
+	public static function __crc32b(string $string): string
+	{
+		// do normal hash crc32b
+		$string = hash('crc32b', $string);
+		// if bigger than 5.2.7, we need to "unfix" the fix
+		if (\CoreLibs\Check\PhpVersion::checkPHPVersion('5.2.7')) {
+			// flip it back to old (two char groups)
+			$string = preg_replace("/^([a-z0-9]{2})([a-z0-9]{2})([a-z0-9]{2})([a-z0-9]{2})$/", "$4$3$2$1", $string);
+		}
+		if (!is_string($string)) {
+			$string = '';
+		}
+		return $string;
+	}
+
+	/**
+	 * replacement for __crc32b call
+	 *
+	 * @param  string $string  string to hash
+	 * @param  bool   $use_sha use sha instead of crc32b (default false)
+	 * @return string          hash of the string
+	 */
+	public static function __sha1Short(string $string, bool $use_sha = false): string
+	{
+		if ($use_sha) {
+			// return only the first 9 characters
+			return substr(hash('sha1', $string), 0, 9);
+		} else {
+			return self::__crc32b($string);
+		}
+	}
+
+	/**
+	 * replacemend for __crc32b call (alternate)
+	 * defaults to adler 32
+	 * allowed crc32b, adler32, fnv132, fnv1a32, joaat
+	 * all that create 8 char long hashes
+	 *
+	 * @param  string $string    string to hash
+	 * @param  string $hash_type hash type (default adler32)
+	 * @return string            hash of the string
+	 */
+	public static function __hash(
+		string $string,
+		string $hash_type = self::STANDARD_HASH_SHORT
+	): string {
+		if (
+			!in_array(
+				$hash_type,
+				['crc32b', 'adler32', 'fnv132', 'fnv1a32', 'joaat']
+			)
+		) {
+			$hash_type = 'adler32';
+		}
+		return hash($hash_type, $string);
+	}
+
+	/**
+	 * Wrapper function for standard long hashd
+	 *
+	 * @param string $string String to be hashed
+	 * @return string        Hashed string
+	 */
+	public static function __hashLong(string $string): string
+	{
+		return hash(self::STANDARD_HASH_LONG, $string);
+	}
+
+	/**
+	 * create a unique id with the standard hash type defined in __hash
+	 *
+	 * @return string Unique ID with fixed length of 8 characters
+	 * @deprecated Use \CoreLibs\Create\Uids::uniqIdShort() instead
+	 */
+	public static function __uniqId(): string
+	{
+		trigger_error('Method ' . __METHOD__ . ' is deprecated, '
+			. '\CoreLibs\Create\Uids::uniqIdShort() class', E_USER_DEPRECATED);
+		return \CoreLibs\Create\Uids::uniqIdShort();
+	}
+
+	/**
+	 * create a unique id with the standard long hash type
+	 * defined in __hashLong
+	 *
+	 * @return string Unique ID with length of current default long hash
+	 * @deprecated Use \CoreLibs\Create\Uids::uniqIdLong() instead
+	 */
+	public static function __uniqIdLong(): string
+	{
+		trigger_error('Method ' . __METHOD__ . ' is deprecated, '
+			. '\CoreLibs\Create\Uids::uniqIdLong() class', E_USER_DEPRECATED);
+		return \CoreLibs\Create\Uids::uniqIdLong();
+	}
+}
+
+// __END__