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PHP simple debug helper
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class DebugHelper | |
{ | |
/** | |
* @var int | |
*/ | |
static $lastTime = 0; | |
/** | |
* @var int | |
*/ | |
static $lastMemory = 0; | |
/** | |
* @param string $message | |
* @param bool $printTime | |
* @param bool $printMemory | |
*/ | |
public static function printInfo(string $message, bool $printTime = true, bool $printMemory = true) | |
{ | |
$currentTime = microtime(true); | |
$currentMemory = memory_get_usage(); | |
$peakMemory = self::formatMemory(memory_get_peak_usage()); | |
$executedTime = $currentTime - self::$lastTime; | |
$diffMemory = $currentMemory - self::$lastMemory; | |
$diffMemory = self::formatMemory($diffMemory); | |
$totalMemory = self::formatMemory($currentMemory); | |
if (empty(self::$lastTime)) { | |
$executedTime = date('Y-m-d H:i:s', $executedTime); | |
} | |
echo "{$message} executed time: {$executedTime}, total memory: {$totalMemory}, diff memory: {$diffMemory}, peak memory: {$peakMemory}\n"; | |
self::$lastTime = $currentTime; | |
self::$lastMemory = $currentMemory; | |
} | |
/** | |
* @param int $memory | |
* | |
* @return string | |
*/ | |
private static function formatMemory(int $memory): string | |
{ | |
$units = ['bytes', 'KB', 'MB']; | |
$count = 0; | |
for (; abs($memory) > 1024 && $count < 2; $memory /= 1024, ++$count); | |
return sprintf('%.02f %s', $memory, $units[$count]); | |
} | |
} |
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