CS: Convert double quotes to single quotes

Author: keradus

DataCollector/DataCollector.php

@@ -51,7 +51,7 @@ protected function varToString($var)
                 $a[] = sprintf('%s => %s', $k, $this->varToString($v));
             }
 
-            return sprintf("Array(%s)", implode(', ', $a));
+            return sprintf('Array(%s)', implode(', ', $a));
         }
 
         if (is_resource($var)) {

Event/FilterControllerEvent.php

@@ -86,7 +86,7 @@ private function varToString($var)
                 $a[] = sprintf('%s => %s', $k, $this->varToString($v));
             }
 
-            return sprintf("Array(%s)", implode(', ', $a));
+            return sprintf('Array(%s)', implode(', ', $a));
         }
 
         if (is_resource($var)) {

HttpKernel.php

@@ -219,7 +219,7 @@ private function varToString($var)
                 $a[] = sprintf('%s => %s', $k, $this->varToString($v));
             }
 
-            return sprintf("Array(%s)", implode(', ', $a));
+            return sprintf('Array(%s)', implode(', ', $a));
         }
 
         if (is_resource($var)) {

Tests/HttpCache/HttpCacheTest.php

@@ -1069,7 +1069,7 @@ public function testEsiCacheSendsTheLowestTtl()
         $this->setNextResponses($responses);
 
         $this->request('GET', '/', array(), array(), true);
-        $this->assertEquals("Hello World! My name is Bobby.", $this->response->getContent());
+        $this->assertEquals('Hello World! My name is Bobby.', $this->response->getContent());
 
         // check for 100 or 99 as the test can be executed after a second change
         $this->assertTrue(in_array($this->response->getTtl(), array(99, 100)));

Tests/Profiler/FileProfilerStorageTest.php

@@ -94,7 +94,7 @@ public function testReadLineFromFile()
         fwrite($h, "line1\n\n\nline2\n");
         fseek($h, 0, SEEK_END);
 
-        $this->assertEquals("line2", $r->invoke(self::$storage, $h));
-        $this->assertEquals("line1", $r->invoke(self::$storage, $h));
+        $this->assertEquals('line2', $r->invoke(self::$storage, $h));
+        $this->assertEquals('line1', $r->invoke(self::$storage, $h));
     }
 }