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@ 2017-07-03T09:37:41Z

<?php
$value = 2160;

echo round( 
					pow(
						(
							log( $value / ( 4095 - $value ), exp(1)) / 3435
						) 
						+ 
						( 1 / 298.15 )
					, -1)
					- 273.15
				, 1);

Output
Performance
VLD
References
Branches

round: documentation ( source)
log: documentation ( source)
exp: documentation ( source)
pow: documentation ( source)

preferences:dark modelive preview

28.97 ms | 402 KiB | 5 Q