Scholar.inArray(needle, haystack) and Scholar.arraySearch(needle, haystack) -- versions of the PHP functions for JS

chrome/chromeFiles/content/scholar/xpcom/scholar.js

@@ -23,6 +23,8 @@ var Scholar = new function(){
 	this.getString = getString;
 	this.flattenArguments = flattenArguments;
 	this.join = join;
+	this.inArray = inArray;
+	this.arraySearch = arraySearch;
 	this.randomString = randomString;
 	this.getRandomID = getRandomID;
 	
@@ -198,6 +200,34 @@ var Scholar = new function(){
 	}
 	
 	
+	/*
+	 * PHP's in_array() for JS -- returns true if a value is contained in
+	 * an array, false otherwise
+	 */
+	function inArray(needle, haystack){
+		for (var i in haystack){
+			if (haystack[i]==needle){
+				return true;
+			}
+		}
+		return false;
+	}
+	
+	
+	/*
+	 * PHP's array_search() for JS -- searches an array for a value and
+	 * returns the key if found, false otherwise
+	 */
+	function arraySearch(needle, haystack){
+		for (var i in haystack){
+			if (haystack[i]==needle){
+				return i;
+			}
+		}
+		return false;
+	}
+	
+	
 	/**
 	* Generate a random string of length 'len' (defaults to 8)
 	**/