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<?php var_dump(strtotime('first day')); var_dump(date('Y-m-d H:i:s', strtotime('first day'))); var_dump(strtotime('first day 00:00:00')); var_dump(date('Y-m-d H:i:s', strtotime('first day 00:00:00'))); var_dump(strtotime(date('Y-m-01 00:00:00'))); var_dump(mb_strlen("高考"));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.4, 7.0.6 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(1373519042) string(19) "2013-07-11 07:04:02" int(1373493600) string(19) "2013-07-11 00:00:00" int(1372629600) int(2)
Output for 7.3.32 - 7.3.33, 8.0.13
int(1373519042) string(19) "2013-07-11 05:04:02" int(1373500800) string(19) "2013-07-11 00:00:00" int(1372636800) int(2)
Output for 7.0.5
int(1373519043) string(19) "2013-07-11 07:04:03" int(1373493600) string(19) "2013-07-11 00:00:00" int(1372629600) int(2)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.8, 5.5.11 - 5.5.38
int(1373519042) string(19) "2013-07-11 07:04:02" int(1373493600) string(19) "2013-07-11 00:00:00" int(1372629600) int(6)
Output for 5.5.9 - 5.5.10
int(1373519042) string(19) "2013-07-11 07:04:03" int(1373493600) string(19) "2013-07-11 00:00:00" int(1372629600) int(6)
Output for 5.3.0 - 5.3.2
int(1372655042) string(19) "2013-07-01 07:04:02" int(1372629600) string(19) "2013-07-01 00:00:00" int(1372629600) int(6)
Output for 5.0.0 - 5.0.2
int(1373493600) string(19) "2013-07-11 00:00:00" int(1373493600) string(19) "2013-07-11 00:00:00" int(1372629600) int(6)

preferences:
291.94 ms | 401 KiB | 460 Q