*/
private $genericArray = array();
+ /**
+ * Length of output from hash()
+ */
+ private static $hashLength = NULL;
+
/***********************
* Exception codes.... *
***********************/
}
/**
- * Hashes a given string with a simple but stronger hash function (no salts)
+ * Hashes a given string with a simple but stronger hash function (no salt)
+ * and hex-encode it.
*
* @param $str The string to be hashed
* @return $hash The hash from string $str
*/
- public function hashString ($str) {
+ public static final function hash ($str) {
// Hash given string with (better secure) hasher
- $hash = mhash(MHASH_SHA256, $str);
+ $hash = bin2hex(mhash(MHASH_SHA256, $str));
// Return it
return $hash;
}
+ /**
+ * "Getter" for length of hash() output. This will be "cached" to speed up
+ * things.
+ *
+ * @return $length Length of hash() output
+ */
+ public static final function getHashLength () {
+ // Is it cashed?
+ if (is_null(self::$hashLength)) {
+ // No, then hash a string and save its length.
+ self::$hashLength = strlen(self::hash('abc123'));
+ } // END - if
+
+ // Return it
+ return self::$hashLength;
+ }
+
/**
* Checks whether the given number is really a number (only chars 0-9).
*