From 9bc81d1aed0f316e66e979bb94f03ef738f1d273 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sun, 13 Feb 2005 00:07:54 +0000
Subject: [PATCH] Added random string generator.

---
 functions.php | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/functions.php b/functions.php
index 75b2dc5..a136344 100644
--- a/functions.php
+++ b/functions.php
@@ -279,6 +279,71 @@ class Functions
 			return false;
 		}
 	}
+	
+	/**
+	* Generates a random string of random length (unless otherwise specified)
+	*
+	* @param	int		Optional length
+	*
+	* @return	str		A random string
+	*/
+	function rand($length = 0)
+	{
+		// Gimme a length!
+		if (!$length)
+		{
+			$length = rand(20, 65);
+		}
+		
+		// Number of ints in our salt
+		$intcount = rand(0, intval($length / 2));
+		
+		// Number of chars
+		$charcount = $length - $intcount;
+		
+		// Upper-case chars
+		$upperchars = rand(1, intval($charcount / 2));
+		
+		// Lower-case chars
+		$lowerchars = $charcount - $upperchars;
+		
+		// Generate ints
+		for ($i = 0; $i < $intcount; $i++)
+		{
+			$string[] = rand(0, 9);
+		}
+		
+		// Generate upper chars
+		for ($i = 0; $i < $upperchars; $i++)
+		{
+			$string[] = chr(rand(65, 90));
+		}
+		
+		// Generate lower chars
+		for ($i = 0; $i < $lowerchars; $i++)
+		{
+			$string[] = chr(rand(97, 122));
+		}
+		
+		// Randomly key the chars
+		foreach ($string AS $char)
+		{
+			$rand = mt_rand();
+			$newstr["$rand"] = $char;
+		}
+		
+		// Sort the chars by thier random assignment
+		ksort($newstr);
+		
+		// Flatten the array
+		$string = '';
+		foreach ($newstr AS $char)
+		{
+			$string .= $char;
+		}
+		
+		return $string;
+	}
 }
 
 /*=====================================================================*\
-- 
2.43.5