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<?php |
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namespace GeminiLabs\BlackBar\Modules; |
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use GeminiLabs\BlackBar\Application; |
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class Profiler implements Module |
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{ |
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/** |
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* @var Application |
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*/ |
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protected $app; |
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/** |
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* @var float |
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*/ |
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protected $noise; |
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/** |
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* @var float |
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*/ |
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protected $start; |
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/** |
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* @var float |
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*/ |
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protected $stop; |
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/** |
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* @var array |
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*/ |
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protected $timers; |
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public function __construct(Application $app) |
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{ |
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$this->app = $app; |
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$this->noise = (float) 0; // This is the time that WordPress takes to execute the all hook. |
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$this->start = (float) 0; |
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$this->stop = (float) 0; |
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$this->timers = []; |
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} |
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public function entries(): array |
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{ |
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$entries = []; |
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foreach ($this->timers as $timer) { |
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$entries[] = [ |
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'memory' => $this->getMemoryString($timer), |
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'name' => $this->getNameString($timer), |
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'time' => $this->getTimeString($timer), |
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]; |
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} |
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return $entries; |
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} |
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public function getMeasure(): array |
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{ |
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return $this->timers; |
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} |
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public function getMemoryString(array $timer): string |
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{ |
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return (string) round($this->normalize($timer)['memory'] / 1000); |
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} |
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public function getNameString(array $timer): string |
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{ |
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return $this->normalize($timer)['name']; |
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} |
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public function getTimeString(array $timer): string |
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{ |
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$timer = $this->normalize($timer); |
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$index = array_search($timer['name'], array_column($this->timers, 'name')); |
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$start = $this->start + ($index * $this->noise); |
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return number_format(round(($timer['time'] - $start) * 1000, 4), 4); |
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} |
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public function getTotalTime(): float |
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{ |
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$totalNoise = (count($this->timers) - 1) * $this->noise; |
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return $this->stop - $this->start - $totalNoise; |
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} |
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public function hasEntries(): bool |
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{ |
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return !empty($this->timers); |
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} |
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public function id(): string |
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{ |
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return 'glbb-profiler'; |
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} |
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public function isVisible(): bool |
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{ |
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return true; |
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} |
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public function label(): string |
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{ |
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$label = __('Profiler', 'blackbar'); |
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$time = number_format($this->getTotalTime() * 1000, 0); |
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if ($time > 0) { |
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$label .= sprintf(' (%s %s)', $time, __('ms', 'blackbar')); |
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} |
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return $label; |
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} |
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public function render(): void |
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{ |
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$this->app->render('panels/profiler', ['profiler' => $this]); |
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} |
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public function trace(string $name): void |
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{ |
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$microtime = microtime(true); // float |
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if (!$this->start) { |
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$this->start = $microtime; |
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} |
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if ('blackbar/profiler/noise' === $name) { |
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$this->noise = $microtime - $this->start; |
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return; |
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} |
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$this->timers[] = [ |
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'memory' => memory_get_peak_usage(), |
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'name' => $name, |
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'time' => $microtime, |
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]; |
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$this->stop = $microtime; |
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} |
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protected function normalize(array $timer): array |
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{ |
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return wp_parse_args($timer, [ |
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'memory' => 0, |
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'name' => '', |
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'time' => (float) 0, |
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]); |
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} |
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} |
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Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountId
that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theid
property of an instance of theAccount
class. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.