Removed xhprof_lib dependency when writing profiler data. (#967)

- Maintains functionality while eliminating the need to add xhprof_lib to the PHP include path.

config/vufind/httpd-vufind.conf

@@ -61,8 +61,7 @@ Alias /vufind /usr/local/vufind/public
   #SetEnv VUFIND_ENV development
 
   # Uncomment this line if you want to use the XHProf or Tideways profiler; this is a
-  # developer-oriented option that most users will not need.  Make sure the XHProf PHP
-  # libraries are available on your include path.
+  # developer-oriented option that most users will not need.
   # See https://vufind.org/wiki/development:profiling for more details.
   #SetEnv VUFIND_PROFILER_XHPROF http://url/to/your/xhprof/web/interface
 

public/index.php

@@ -85,11 +85,13 @@ Zend\Mvc\Application::init(require 'config/application.config.php')->run();
 // Handle final profiling details, if necessary:
 if ($xhprof) {
     $xhprofData = extension_loaded('xhprof') ? xhprof_disable() : tideways_disable();
-    require_once "xhprof_lib/utils/xhprof_lib.php";
-    require_once "xhprof_lib/utils/xhprof_runs.php";
-    $xhprofRuns = new XHProfRuns_Default();
+    $xhprofRunId = uniqid();
     $suffix = 'vufind';
-    $xhprofRunId = $xhprofRuns->save_run($xhprofData, $suffix);
+    $dir = ini_get('xhprof.output_dir');
+    if (empty($dir)) {
+        $dir = sys_get_temp_dir();
+    }
+    file_put_contents("$dir/$xhprofRunId.$suffix.xhprof", serialize($xhprofData));
     $url = "$xhprof?run=$xhprofRunId&source=$suffix";
     echo "<a href='$url'>Profiler output</a>";
 }