[VarDumper] Added unique id for every single dump in html

Author: hason

Tests/DataCollector/DumpDataCollectorTest.php

@@ -32,18 +32,21 @@ public function testDump()
         $collector->dump($data); $line = __LINE__;
         $this->assertSame(1, $collector->getDumpsCount());
 
+        $dump = $collector->getDumps('html');
+        $this->assertTrue(isset($dump[0]['data']));
+        $dump[0]['data'] = preg_replace('/^.*?<pre/', '<pre', $dump[0]['data']);
+        preg_match('/sf-dump-(\\d{2,})/', $dump[0]['data'], $matches);
+        $dumpId = $matches[1];
+
         $xDump = array(
             array(
-              'data' => "<pre id=sf-dump><span class=sf-dump-0><span class=sf-dump-num>123</span>\n</span></pre><script>Sfjs.dump.instrument()</script>\n",
-              'name' => 'DumpDataCollectorTest.php',
-              'file' => __FILE__,
-              'line' => $line,
-              'fileExcerpt' => false,
+                'data' => "<pre id=sf-dump-{$dumpId}><span class=sf-dump-0><span class=sf-dump-num>123</span>\n</span></pre><script>Sfjs.dump.instrument()</script>\n",
+                'name' => 'DumpDataCollectorTest.php',
+                'file' => __FILE__,
+                'line' => $line,
+                'fileExcerpt' => false,
             ),
         );
-        $dump = $collector->getDumps('html');
-        $this->assertTrue(isset($dump[0]['data']));
-        $dump[0]['data'] = preg_replace('/^.*?<pre/', '<pre', $dump[0]['data']);
         $this->assertSame($xDump, $dump);
 
         $this->assertStringStartsWith(