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llslx520
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<?php date_default_timezone_set('PRC'); function udate($format='Y-m-d H:i:s.u', $utimestamp='') { empty($utimestamp) && $utimestamp = microtime(true); $timestamp = floor($utimestamp); $milliseconds = round(($utimestamp - $timestamp) * 1000000); return date(preg_replace('#(?<!\\\\)u#', $milliseconds, $format), $timestamp); } echo udate('H:i:s.u'); // 12:33:03.599516 echo udate('Y-m-d H:i:s.u'); // 2016-10-16 12:33:03.599684 echo udate('Y-m-d H:i:s.u', 1234567890.654321); // 2009-02-14 07:31:30.654321
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llslx520
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<?php date_default_timezone_set('PRC'); function udate($format='Y-m-d H:i:s.u', $utimestamp='') { empty($utimestamp) && $utimestamp = microtime(true); $timestamp = floor($utimestamp); $milliseconds = round(($utimestamp - $timestamp) * 1000000); return date(preg_replace('#(?<!\\\\)u#', $milliseconds, $format), $timestamp); } echo udate('H:i:s.u'); // 12:33:03.599516 echo udate('Y-m-d H:i:s.u'); // 2016-10-16 12:33:03.599684 echo udate('Y-m-d H:i:s.u', 1234567890.654321); // 2009-02-14 07:31:30.654321