If you want PHP to print it like the other languages you have to set the output precision high enough. The default, as you mentioned, is 14 but if you set it to 17 then you get the &#x27;correct&#x27; output.<p><a href="https:&#x2F;&#x2F;3v4l.org&#x2F;TRcJB" rel="nofollow">https:&#x2F;&#x2F;3v4l.org&#x2F;TRcJB</a><p><a href="http:&#x2F;&#x2F;php.net&#x2F;manual&#x2F;en&#x2F;ini.core.php#ini.precision" rel="nofollow">http:&#x2F;&#x2F;php.net&#x2F;manual&#x2F;en&#x2F;ini.core.php#ini.precision</a>