3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/\d+-\d+-\d+/', '2013-07-08'); /*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(strtotime(date("Y-m-d 00:00:00", time())) - 86400* 6); var_dump(strtotime('-6 day 00:00:00')); var_dump(strtotime(date("Y-m-d 00:00:00", time())) - 86400 * 0); var_dump(strtotime('+0 day 00:00:00')); */

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.170.0070.07719.20
5.4.160.0070.04719.18
5.4.150.0030.07719.17
5.4.140.0130.04316.27
5.4.130.0030.03316.38
5.4.120.0130.06316.50
5.4.110.0030.04716.43
5.4.100.0030.04316.41
5.4.90.0000.05316.30
5.4.80.0130.06016.41
5.4.70.0070.07316.35
5.4.60.0030.06016.49
5.4.50.0100.06716.52
5.4.40.0030.06016.40
5.4.30.0070.07716.27
5.4.20.0100.06716.33
5.4.10.0100.05016.29
5.4.00.0000.07015.74
5.3.270.0070.07314.56
5.3.260.0030.08314.43
5.3.250.0030.06314.53
5.3.240.0030.04314.53
5.3.230.0070.06314.61
5.3.220.0070.07714.39
5.3.210.0170.06714.39
5.3.200.0000.06014.57
5.3.190.0070.06314.58
5.3.180.0000.06714.35
5.3.170.0070.06014.53
5.3.160.0070.04014.49
5.3.150.0100.06714.36
5.3.140.0100.06314.38
5.3.130.0000.08314.50
5.3.120.0000.06014.49
5.3.110.0030.07714.47
5.3.100.0070.07313.97
5.3.90.0030.06313.98
5.3.80.0030.07313.95
5.3.70.0070.03713.85
5.3.60.0070.07713.93
5.3.50.0170.02713.88
5.3.40.0030.06713.75
5.3.30.0000.05013.89
5.3.20.0230.02013.61
5.3.10.0030.03313.50
5.3.00.0000.03713.65

preferences:
145.79 ms | 1398 KiB | 7 Q