Fixed PHP detection

php-webkit/main.js

@@ -9,6 +9,9 @@ var phpwebkit = {
 		var pw = this;
 
 		process.on('uncaughtException', function(err){
+			if(err == "Error: spawn php-cgi ENOENT") {
+				err = "Error: PHP doesn't appear to be installed";
+			}
 			pw.changeState('<strong>'+err+'</strong>', '#CD0000');
 		});
 
@@ -27,12 +30,6 @@ var phpwebkit = {
 			}
 		}
 
-		this.fileExists(bin, function(result){
-			if(result === false) { 
-				return 'php-cgi';
-			}
-		});
-
 		var path = gui.App.manifest.phpwebkit.path;
 		if(path === undefined || path == "") {
 			path = './application';
@@ -48,16 +45,22 @@ var phpwebkit = {
 			port = 0;
 		}
 
-		var config = {
+		this.fileExists(bin, function(result){
-			"path": path,
+			if(result === false) { 
-			"bin": bin,
+				bin = 'php-cgi';
-			"host": host,
+			}
-			"port": port,
-			"arguments": gui.App.argv,
-			"manifest": gui.App.manifest
-		}
 
-		this.startServer(config);
+			var config = {
+				"path": path,
+				"bin": bin,
+				"host": host,
+				"port": port,
+				"arguments": gui.App.argv,
+				"manifest": gui.App.manifest
+			}
+
+			phpwebkit.startServer(config);
+		});
 	},
 
 	startServer: function(config, callback){
@@ -78,7 +81,7 @@ var phpwebkit = {
 			pw.changeState('Starting application...', '#00CD00');
 			window.location = 'http://'+host+':'+server.address().port +'/';
 		}).on('error', function(err) {
-			pw.changeState('<strong>Error: '+server.err+'</strong>', '#CD0000');
+			pw.changeState('<strong>Error: '+err+'</strong>', '#CD0000');
 		});
 	},
 
@@ -93,9 +96,9 @@ var phpwebkit = {
 		var fs = require('fs');
 		fs.stat(file, function(err, stats) { 
 			if(!err && stats.isFile()) { 
-				return true;
+				callback(true);
 			} else {
-				return false;
+				callback(false);
 			}
 		});
 	}