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<?php $n = 0b1111111111111111111111111111111111111111111111111111111111111111; var_dump($n); var_dump(sprintf("%.16E", $n)); var_dump(sprintf("%.17E", $n)); var_dump(sprintf("%.16G", $n)); var_dump(sprintf("%.17G", $n)); var_dump(sprintf("%.18G", $n));
Output for git.master, git.master_jit, rfc.property-hooks
float(1.844674407370955E+19) string(22) "1.8446744073709550E+19" string(23) "1.84467440737095496E+19" string(21) "1.844674407370955E+19" string(21) "1.844674407370955E+19" string(23) "1.84467440737095496E+19"

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