diff --git a/minify.json.php b/minify.json.php
index fcd5398..b7f0378 100644
--- a/minify.json.php
+++ b/minify.json.php
@@ -1,7 +1,7 @@
 <?php
 
 /*! JSON.minify()
-	v0.1 (c) Kyle Simpson
+	v3.0 (c) Kyle Simpson
 	MIT License
 */
 
@@ -10,24 +10,25 @@ function json_minify($json) {
 	$in_string = false;
 	$in_multiline_comment = false;
 	$in_singleline_comment = false;
-	$tmp; $tmp2; $new_str = array(); $ns = 0; $from = 0; $lc; $rc; $lastIndex = 0;
+	$tmp; $tmp2; $new_str = array(); $ns = 0; $from = 0; $prevFrom = 0; $lc; $rc; $lastIndex = 0;
 
 	while (preg_match($tokenizer,$json,$tmp,PREG_OFFSET_CAPTURE,$lastIndex)) {
 		$tmp = $tmp[0];
 		$lastIndex = $tmp[1] + strlen($tmp[0]);
-		$lc = substr($json,0,$lastIndex - strlen($tmp[0]));
+		$prevFrom = $from;
+		$lc = substr($json,$prevFrom,$lastIndex - strlen($tmp[0]));
 		$rc = substr($json,$lastIndex);
 		if (!$in_multiline_comment && !$in_singleline_comment) {
 			$tmp2 = substr($lc,$from);
 			if (!$in_string) {
-				$tmp2 = preg_replace("/(\n|\r|\s)*/","",$tmp2);
+				$tmp2 = preg_replace("/(\n|\r|\s)+/","",$tmp2);
 			}
 			$new_str[] = $tmp2;
 		}
 		$from = $lastIndex;
 
 		if ($tmp[0] == "\"" && !$in_multiline_comment && !$in_singleline_comment) {
-			preg_match("/(\\\\)*$/",$lc,$tmp2);
+			preg_match("/(\\\\)+$/",$lc,$tmp2);
 			if (!$in_string || !$tmp2 || (strlen($tmp2[0]) % 2) == 0) {	// start of string with ", or unescaped " character found to end string
 				$in_string = !$in_string;
 			}
@@ -54,4 +55,4 @@ function json_minify($json) {
 	return implode("",$new_str);
 }
 
-?>
\ No newline at end of file
+?>