Merge pull request #6 from clue-labs/bin

Use PHP_BINARY constant to detect current PHP executable (Travis etc.)

Author: clue

res/sqlite-worker.php

@@ -177,7 +177,7 @@
 
         $out->write(array(
             'id' => $data->id,
-            'result' => $rows
+            'result' => null
         ));
     } else {
         // no matching method found => report soft error and keep stream alive

src/Database.php

@@ -83,7 +83,7 @@ class Database extends EventEmitter
      */
     public static function open(LoopInterface $loop, $filename, $flags = null)
     {
-        $process = new Process('exec php ' . \escapeshellarg(__DIR__ . '/../res/sqlite-worker.php'));
+        $process = new Process('exec ' . \escapeshellarg(\PHP_BINARY) . ' ' . \escapeshellarg(__DIR__ . '/../res/sqlite-worker.php'));
         $process->start($loop);
 
         $db = new Database($process);