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Report /check timings in Server-Timing #155

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Merged
alies-dev merged 1 commit into from
Nov 9, 2026
Merged

Report /check timings in Server-Timing #155

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16 changes: 15 additions & 1 deletion views/check.php
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Original file line number Diff line number Diff line change
Expand Up @@ -59,10 +59,24 @@
exit;
}

$analysis_start = microtime(true);

// every homepage view analyzes the example, so its results come from a cache
$results = $file_contents === HomepageExample::CODE
? HomepageExample::results($settings, $fix_file, $php_version, $error_level)
: OnlineChecker::getResults($file_contents, $settings, $fix_file, $php_version, $error_level);

$analysis_end = microtime(true);
$body = json_encode($results, JSON_HEX_TAG | JSON_HEX_AMP);

// durations only, in ms: how much of a slow response is PHP startup, Psalm, or neither (network, server queue)
$request_start = $_SERVER['REQUEST_TIME_FLOAT'] ?? $analysis_start;
header(sprintf(
'Server-Timing: boot;dur=%.1f, analysis;dur=%.1f, total;dur=%.1f',
($analysis_start - $request_start) * 1000.0,
($analysis_end - $analysis_start) * 1000.0,
(microtime(true) - $request_start) * 1000.0
));

http_response_code(200);
echo json_encode($results, JSON_HEX_TAG | JSON_HEX_AMP);
echo $body;
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