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<?php |
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namespace Smoren\Profiler; |
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/** |
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* Profiler helper |
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*/ |
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class Profiler |
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{ |
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/** |
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* @var array<string, float> |
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*/ |
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protected static $processMap = []; |
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/** |
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* @var array<string, float> |
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*/ |
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protected static $statTimeMap = []; |
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/** |
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* @var array<string, int> |
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*/ |
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protected static $statCallsCountMap = []; |
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/** |
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* Starts the profiling of named process |
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* @param string $name process name |
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* @throws ProfilerException |
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*/ |
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public static function start(string $name): void |
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{ |
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if(isset(static::$processMap[$name])) { |
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throw new ProfilerException( |
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"process '{$name}' already started", |
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ProfilerException::STATUS_PROCESS_ALREADY_STARTED, |
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null, |
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['name' => $name] |
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); |
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} |
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static::$processMap[$name] = microtime(true); |
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if(!isset(static::$statCallsCountMap[$name])) { |
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static::$statCallsCountMap[$name] = 0; |
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} |
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static::$statCallsCountMap[$name]++; |
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} |
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/** |
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* Stops the profiling of named process |
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* @param string $name process name |
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* @throws ProfilerException |
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*/ |
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public static function stop(string $name): void |
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{ |
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if(!isset(static::$processMap[$name])) { |
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throw new ProfilerException( |
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"process '{$name}' not started yet", |
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ProfilerException::STATUS_PROCESS_NOT_STARTED_YET, |
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null, |
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['name' => $name] |
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); |
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} |
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if(!isset(static::$statTimeMap[$name])) { |
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static::$statTimeMap[$name] = 0; |
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} |
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static::$statTimeMap[$name] += microtime(true) - static::$processMap[$name]; |
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unset(static::$processMap[$name]); |
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} |
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/** |
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* Profiles the body of callback function |
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* @param string $name process name |
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* @param callable $callback function with body to profile |
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* @throws ProfilerException |
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*/ |
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public static function profile(string $name, callable $callback): void |
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{ |
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try { |
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static::start($name); |
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$callback(); |
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} finally { |
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static::stop($name); |
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} |
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} |
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/** |
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* Returns time usage summary |
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* @return array<string, float> |
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*/ |
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public static function getStatTime(): array |
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{ |
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uasort(static::$statTimeMap, function($lhs, $rhs) { |
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if($rhs > $lhs) { |
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return 1; |
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} |
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if($lhs < $rhs) { |
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return -1; |
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} |
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return 0; |
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}); |
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return static::$statTimeMap; |
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} |
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/** |
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* Returns calls counters summary |
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* @return array<string, int> |
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*/ |
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public static function getStatCalls(): array |
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{ |
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uasort(static::$statCallsCountMap, function($lhs, $rhs) { |
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return $rhs-$lhs; |
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}); |
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return static::$statCallsCountMap; |
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} |
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/** |
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* Clears all stat |
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*/ |
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public static function clear(): void |
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{ |
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static::$processMap = []; |
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static::$statTimeMap = []; |
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static::$statCallsCountMap = []; |
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} |
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} |
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Smoren /
profiler-php
