Merge branch 'HEAD' of git@github.com:kvz/phpjs.git

brettz9 · brettz9 · commit 50e48a1cd676 · 2011-01-15T17:07:31.000+08:00
diff --git a/functions/strings/similar_text.js b/functions/strings/similar_text.js
@@ -1,11 +1,17 @@
 function similar_text (first, second) {
-    /*
-     * This is a direct port from PHP source code with a few modifications. May be buggy.
-     * This function still needs to be checked and unit tested.
-     * Other goals are to switch from recursive to iterative approach
-     *
-     * Original by: Rafał Kukawski
-     */
+    // http://kevin.vanzonneveld.net
+    // +   original by: Rafał Kukawski (http://blog.kukawski.pl)
+    // *     example 1: similar_text('Hello World!', 'Hello phpjs!');
+    // *     returns 1: 7
+    // *     example 2: similar_text('Hello World!', null);
+    // *     returns 2: 0
+    
+    if (first === null || second === null || typeof first === "undefined" || typeof second === "undefined") {
+        return 0;
+    }
+    
+    first += ''; second += '';
+    
     var pos1 = 0, pos2 = 0, max = 0,
         firstLength = first.length, secondLength = second.length,
         p, q, l, sum;
diff --git a/functions/strings/sprintf.js b/functions/strings/sprintf.js
@@ -124,7 +124,7 @@ function sprintf ( ) {
             case 'u': return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
             case 'i':
             case 'd':
-                number = parseInt(+value, 10);
+                number = (+value) | 0;
                 prefix = number < 0 ? '-' : positivePrefix;
                 value = prefix + pad(String(Math.abs(number)), precision, '0', false);
                 return justify(value, prefix, leftJustify, minWidth, zeroPad);
