github.com/ddev/ddev@v1.23.2-0.20240519125000-d824ffe36ff3/pkg/ddevapp/dotddev_assets/xhprof/xhprof_prepend.php (about)

     1  <?php
     2  
     3  // #ddev-generated
     4  // If you want to take over and customize this file, remove the line above
     5  // And check this file in.
     6  
     7  // This file is used by `ddev xhprof on` and determines the behavior
     8  // of xhprof when it is enabled. It is mounted into the ddev-webserver container
     9  // as /usr/local/bin/xhprof/xhprof_prepend.php
    10  
    11  // It can be customized for particular sites or for particular CMS versions.
    12  // Some suggestions and examples are provided below.
    13  
    14  $uri = "none";
    15  if (!empty($_SERVER) && array_key_exists('REQUEST_URI', $_SERVER)) {
    16    $uri = $_SERVER['REQUEST_URI'];
    17  }
    18  
    19  // Enable xhprof profiling if we're not on an xhprof page
    20  if (extension_loaded('xhprof') && strpos($uri, '/xhprof') === false) {
    21    // If this is too much information, just use xhprof_enable(), which shows CPU only
    22    xhprof_enable(XHPROF_FLAGS_MEMORY);
    23    register_shutdown_function('xhprof_completion');
    24  }
    25  
    26  // Write to the xhprof_html output and latest on completion
    27  function xhprof_completion()
    28  {
    29    $xhprof_link_dir = "/var/xhprof/xhprof_html/latest/";
    30  
    31    $xhprof_data = xhprof_disable();
    32    $appNamespace = "ddev";
    33    include_once '/var/xhprof/xhprof_lib/utils/xhprof_lib.php';
    34    include_once '/var/xhprof/xhprof_lib/utils/xhprof_runs.php';
    35  
    36    $xhprof_runs = new XHProfRuns_Default();
    37    $run_id = $xhprof_runs->save_run($xhprof_data, $appNamespace);
    38  
    39    // Uncomment to append profile link to the page (and remove the ddev generated first line)
    40    // append_profile_link($run_id, $appNamespace);
    41  }
    42  
    43  // If invoked, this will append a profile link to the output HTML
    44  // This works on some CMSs, like Drupal 7. It does not work on Drupal8/9
    45  // and can have unwanted side-effects on TYPO3
    46  function append_profile_link($run_id, $appNamespace)
    47  {
    48    $base_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]/xhprof/";
    49  
    50    $profiler_url = sprintf('%sindex.php?run=%s&amp;source=%s', $base_link, $run_id, $appNamespace);
    51    echo '<div id="xhprof"><a href="' . $profiler_url . '" target="_blank">xhprof profiler output</a></div>';
    52  }