3v4l.org

run code in 300+ PHP versions simultaneously
<?php print strtotime('January 1, 2014') . "\n"; print strtotime('first day of January this year') . "\n"; print strtotime('first day of this year') . "\n"; print strtotime('January 1') . "\n";
Output for 5.6.28, 7.0.14 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.1, 7.2.3, 7.2.5 - 7.2.11, 7.2.13 - 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
1388530800 1388530800 1412186834 1388530800
Output for 7.3.32 - 7.3.33, 8.0.13
1388534400 1388534400 1412190434 1388534400
Output for 7.1.25, 7.2.2, 7.2.4, 7.2.12
1388530800 1388530800 1412186835 1388530800
Output for 7.0.6
1388530800 1451602800 1462091773 1451602800
Output for 7.0.5
1388530800 1451602800 1459545670 1451602800
Output for 7.0.4
1388530800 1451602800 1456822732 1451602800
Output for 7.0.3
1388530800 1451602800 1456825178 1451602800
Output for 7.0.2
1388530800 1451602800 1456846672 1451602800
Output for 7.0.1
1388530800 1451602800 1456863125 1451602800
Output for 7.0.0
1388530800 1451602800 1456868652 1451602800
Output for 5.6.21
1388530800 1451602800 1462074918 1451602800
Output for 5.6.20
1388530800 1451602800 1459542073 1451602800
Output for 5.6.19
1388530800 1451602800 1456852041 1451602800
Output for 5.6.18
1388530800 1451602800 1456794814 1451602800
Output for 5.6.17
1388530800 1451602800 1456840409 1451602800
Output for 5.6.16
1388530800 1451602800 1456789294 1451602800
Output for 5.6.15
1388530800 1451602800 1456792603 1451602800
Output for 5.6.14
1388530800 1451602800 1459475710 1451602800
Output for 5.6.13
1388530800 1451602800 1459489803 1451602800
Output for 5.6.12
1388530800 1451602800 1459539553 1451602800
Output for 5.6.11
1388530800 1451602800 1459478441 1451602800
Output for 5.6.10
1388530800 1451602800 1459484731 1451602800
Output for 5.6.9
1388530800 1451602800 1459502700 1451602800
Output for 5.6.8
1388530800 1451602800 1459531998 1451602800
Output for 5.5.35
1388530800 1451602800 1462088592 1451602800
Output for 5.5.34
1388530800 1451602800 1459464180 1451602800
Output for 5.5.33
1388530800 1451602800 1456862625 1451602800
Output for 5.5.32
1388530800 1451602800 1456800419 1451602800
Output for 5.5.31
1388530800 1451602800 1456850259 1451602800
Output for 5.5.30
1388530800 1451602800 1459474402 1451602800
Output for 5.5.29
1388530800 1451602800 1459540651 1451602800
Output for 5.5.28
1388530800 1451602800 1459464945 1451602800
Output for 5.5.27
1388530800 1451602800 1459473176 1451602800
Output for 5.5.26
1388530800 1451602800 1459493540 1451602800
Output for 5.5.25
1388530800 1451602800 1459516642 1451602800
Output for 5.5.24
1388530800 1451602800 1462134687 1451602800
Output for 5.4.39 - 5.4.45
1388530800 1420066800 1446335130 1420066800
Output for 5.4.30 - 5.4.38
1388530800 1420066800 1446335131 1420066800
Output for 5.4.22 - 5.4.29
1388530800 1420066800 1446335132 1420066800
Output for 5.4.14 - 5.4.21
1388530800 1420066800 1446335133 1420066800
Output for 5.4.7 - 5.4.13
1388530800 1420066800 1446335134 1420066800
Output for 5.4.0 - 5.4.6
1388530800 1420066800 1446335135 1420066800
Output for 5.3.21 - 5.3.29
1388530800 1420066800 1446335136 1420066800
Output for 5.3.14 - 5.3.20
1388530800 1420066800 1446335137 1420066800
Output for 5.3.6 - 5.3.13
1388530800 1420066800 1446335138 1420066800
Output for 5.3.0 - 5.3.5
1388530800 1420066800 1446335139 1420066800
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
1388530800 1420066800
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
1388530800 -1 -1 1420066800
preferences:
220.82 ms | 402 KiB | 327 Q