diff --git a/content/content.debug.php b/content/content.debug.php
index 36d15b4..c0dbacc 100755
--- a/content/content.debug.php
+++ b/content/content.debug.php
@@ -39,7 +39,7 @@ public function __construct(){
 			}
 		}
 
-		public function build() {
+		public function build(array $context = array()) {
 			$this->_view = (strlen(trim($_GET['debug'])) == 0 ? 'xml' : $_GET['debug']);
 
 			return parent::build();
diff --git a/extension.meta.xml b/extension.meta.xml
index 9288018..e88eba9 100644
--- a/extension.meta.xml
+++ b/extension.meta.xml
@@ -17,6 +17,10 @@
 		</author>
 	</authors>
 	<releases>
+		<release version="2.0.0" date="TBA" min="4.0.0" max="4.x.x" php-min="5.6.x" php-max="7.x.x">
+			- Update for Symphony 4.x
+			- PHP7 Compatibility
+		</release>
 		<release version="1.3.4" date="2017-06-20" min="2.4" max="2.x.x">
 			- Mark compatibility with Symphony 2.7
 		</release>
diff --git a/lib/bitter/formats/symphony.php b/lib/bitter/formats/symphony.php
index 6f74a2d..c09c778 100755
--- a/lib/bitter/formats/symphony.php
+++ b/lib/bitter/formats/symphony.php
@@ -1,23 +1,23 @@
 <?php
 /*----------------------------------------------------------------------------*/
-	
+
 	class BitterFormatSymphony extends BitterFormat {
 		protected $tabsize = 4;
 		protected $line = 1;
 		protected $output = '';
-		
+
 		public function process($source) {
 			$this->output = $source;
-			
+
 			$this->processTabs();
 			$this->processLines();
-			
+
 			return sprintf(
 				'<pre>%s</pre>',
 				$this->output
 			);
 		}
-		
+
 		protected function processTabs() {
 			// first split the output into manageable chunks
 			$lines = explode(PHP_EOL, $this->output);
@@ -25,7 +25,7 @@ protected function processTabs() {
 			// fix lines one by one
 			for ($x = 0; $x < $linesCount; $x++) {
 				// while there are still tabs
-				while (strpos($lines[$x], "\t") !== FALSE) {
+				while (strpos($lines[$x], "\t") !== false) {
 					// replace tabs for spaces
 					$lines[$x] = preg_replace_callback('%^([^\t]*)([\t]+)%', array($this, 'processTabsLine'), $lines[$x]);
 				}
@@ -33,72 +33,72 @@ protected function processTabs() {
 			// concat the final output
 			$this->output = implode(PHP_EOL, $lines);
 		}
-		
+
 		protected function processTabsLine($matches) {
 			return $matches[1] . str_repeat(
 				' ', strlen($matches[2]) * $this->tabsize
 			);
 		}
-		
+
 		protected function processLines() {
 			$tokens = preg_split('%(<span class=".*?">|</span>)%', $this->output, 0, PREG_SPLIT_DELIM_CAPTURE);
 			$stack = array(); $this->output = '';
-			
+
 			$this->startLine();
-			
+
 			foreach ($tokens as $token) {
 				// Close:
 				if (preg_match('%^</%', $token)) {
 					array_pop($stack);
 					$this->output .= $token;
 				}
-				
+
 				// Open:
 				else if (preg_match('%^<%', $token)) {
 					array_push($stack, $token);
 					$this->output .= $token;
 				}
-				
+
 				else {
 					$characters = preg_split('//', $token);
-					
+
 					foreach ($characters as $character) {
 						if ($character == "\n") {
 							$this->endLine();
-							
+
 							foreach ($stack as $alt_token) $this->output .= '</span>';
 						}
-						
+
 						$this->output .= $character;
-						
+
 						if ($character == "\n") {
 							$this->startLine();
-							
+
 							foreach ($stack as $alt_token) $this->output .= $alt_token;
 						}
 					}
 				}
 			}
-			
+
 			$this->endLine();
 		}
-		
+
 		protected function startLine() {
 			$this->output .= "<line id=\"{$this->line}\">";
 			$this->output .= "<marker></marker>";
 			$this->output .= "<content>";
 		}
-		
+
 		protected function endLine() {
 			$this->line++;
 			$this->output .= '</content>';
 			$this->output .= '</line>';
 		}
 	}
-	
+
 /*----------------------------------------------------------------------------*/
-	
+
 	return new BitterFormatSymphony();
-	
+
 /*----------------------------------------------------------------------------*/
-?>
\ No newline at end of file
+?>