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@ 2014-10-19T22:51:17Z

<?php
$float_num = 0.0456;  
$exponent_part = ( floor(log($float_num, 2)) + 1 );  
$mantissa_part = ( $float_num * pow(2, -$exponent_part) );  
echo 'Floating value : '.$float_num.'<br>';  
echo 'Exponent part  : '.$exponent_part.'<br>';  
echo 'Mantissa part  : '.$mantissa_part.'<br>';  
?>

Output
Performance
VLD
References
Branches

floor: documentation ( source)
log: documentation ( source)
pow: documentation ( source)

preferences:dark modelive preview

48 ms | 402 KiB | 5 Q