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@ 2017-05-11T17:32:29Z

<?php

 $var = .000021;
 echo $var;
 echo \PHP_EOL;
 
 ini_set('precision', '200');
 echo $var;

Output
Performance
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ini_set: documentation ( source)

preferences:dark modelive preview

56.18 ms | 402 KiB | 5 Q