function xhprof_is_enabled in XHProf 6

Same name and namespace in other branches

1. 7 xhprof.module \xhprof_is_enabled()

Check whether XHProf should be enabled for the current request.

2 calls to xhprof_is_enabled()

xhprof_shutdown in ./xhprof.module

See xhprof_start() which registers this function as a shutdown function.

xhprof_xhprof_enable in ./xhprof.module

Conditionally enable XHProf profiling.

File

./xhprof.module, line 98

Code

function xhprof_is_enabled() {
  $enabled = FALSE;
  if (extension_loaded('xhprof') && variable_get('xhprof_enabled', FALSE)) {
    $enabled = TRUE;
    $path = isset($_GET['q']) ? $_GET['q'] : '';

    // Although arg() function can be used, it is not available at hook_boot(), where this function is used.
    if (preg_match('/^admin/', $path) && variable_get('xhprof_disable_admin_paths', TRUE)) {
      $enabled = FALSE;
    }
    else {
      $interval = variable_get('xhprof_interval', 1);
      if ($interval && mt_rand(1, $interval) % $interval != 0) {
        $enabled = FALSE;
      }
    }
  }
  return $enabled;
}