- var_dump: documentation ( source)
- json_encode: documentation ( source)
- number_format: documentation ( source)
<?php
$value = (string) 1616477400.9510319232940673828125;
var_dump(
json_encode($value),
DateTimeImmutable::createFromFormat(
'U.u',
json_encode($value)
),
DateTimeImmutable::createFromFormat(
'U.u',
number_format($value, 6, '.', '')
),
);