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<?php declare(strict_types=1); $value = 1616497508.79562548484415745842262445584; var_dump( json_encode($value), number_format($value, 6, '.', ''), DateTimeImmutable::createFromFormat( 'U.u', json_encode($value) ), DateTimeImmutable::createFromFormat( 'U.u', number_format($value, 6, '.', '') ), );
Output for git.master, git.master_jit, rfc.property-hooks
string(18) "1616497508.7956254" string(17) "1616497508.795625" bool(false) object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2021-03-23 11:05:08.795625" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" }

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