added Debugger::$showBar, can disable debug bar [Closes #132][Closes #83][Closes #82]

Author: dg

src/Tracy/Debugger.php

@@ -29,6 +29,9 @@ class Debugger
 	/** @var bool in production mode is suppressed any debugging output */
 	public static $productionMode = self::DETECT;
 
+	/** @var bool whether to display debug bar in development mode */
+	public static $showBar = TRUE;
+
 	/** @var bool {@link Debugger::enable()} */
 	private static $enabled = FALSE;
 
@@ -198,7 +201,7 @@ public static function shutdownHandler()
 				FALSE
 			);
 
-		} elseif (!connection_aborted() && !self::$productionMode && self::isHtmlMode()) {
+		} elseif (self::$showBar && !connection_aborted() && !self::$productionMode && self::isHtmlMode()) {
 			self::getBar()->render();
 		}
 	}
@@ -245,7 +248,9 @@ public static function exceptionHandler($exception, $exit = TRUE)
 
 		} elseif (!connection_aborted() && self::isHtmlMode()) {
 			self::getBlueScreen()->render($exception);
-			self::getBar()->render();
+			if (self::$showBar) {
+				self::getBar()->render();
+			}
 
 		} else {
 			self::fireLog($exception);

tests/Tracy/Debugger.Bar.disabled.phpt

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * Test: Tracy\Debugger Bar disabled.
+ * @outputMatch
+ */
+
+use Tracy\Debugger;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+if (PHP_SAPI === 'cli') {
+	Tester\Environment::skip('Debugger Bar is not rendered in CLI mode');
+}
+
+
+Debugger::$productionMode = FALSE;
+Debugger::$showBar = FALSE;
+header('Content-Type: text/html');
+
+Debugger::enable();