3v4l.org

run code in 300+ PHP versions simultaneously
<?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")); var_dump(strtotime(date("Y-m-d 00:00:00", time())) - 86400* 6); var_dump(strtotime('-7 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)
7.1.70.0170.00017.30
7.1.60.0130.00619.17
7.1.50.0060.01917.05
7.1.00.0000.07322.43
7.0.200.0000.00716.91
7.0.140.0030.07322.04
7.0.100.0470.07319.95
7.0.90.0370.05019.84
7.0.80.0400.08019.90
7.0.70.0400.06319.95
7.0.60.0430.05020.08
7.0.50.0330.06720.32
7.0.40.0030.05320.09
7.0.30.0130.07719.95
7.0.20.0130.04320.10
7.0.10.0070.07020.08
7.0.00.0030.05020.02
5.6.280.0000.07720.98
5.6.250.0170.07320.59
5.6.240.0100.08020.75
5.6.230.0070.08720.68
5.6.220.0100.07720.66
5.6.210.0070.05320.77
5.6.200.0030.05021.17
5.6.190.0100.04020.93
5.6.180.0130.08021.00
5.6.170.0100.04320.95
5.6.160.0100.07021.10
5.6.150.0030.05720.93
5.6.140.0070.05021.05
5.6.130.0000.08721.16
5.6.120.0000.06320.95
5.6.110.0170.06321.16
5.6.100.0100.03321.06
5.6.90.0100.04721.00
5.6.80.0070.03320.42
5.6.70.0070.07720.45
5.6.60.0000.07020.41
5.6.50.0100.08020.43
5.6.40.0070.07020.32
5.6.30.0070.08320.36
5.6.20.0070.07020.28
5.6.10.0100.07020.36
5.6.00.0030.06720.36
5.5.380.0070.08320.57
5.5.370.0070.09020.39
5.5.360.0100.09020.41
5.5.350.0100.08020.40
5.5.340.0170.03720.77
5.5.330.0070.04020.72
5.5.320.0130.07720.75
5.5.310.0100.08320.77
5.5.300.0130.07320.75
5.5.290.0100.06020.74
5.5.280.0130.05720.93
5.5.270.0000.05020.86
5.5.260.0030.08720.81
5.5.250.0030.07320.64
5.5.240.0100.07320.14
5.5.230.0000.04320.24
5.5.220.0130.07020.23
5.5.210.0100.03320.21
5.5.200.0070.03320.11
5.5.190.0070.08020.09
5.5.180.0070.08720.10
5.5.160.0100.07720.08
5.5.150.0100.07720.16
5.5.140.0070.07720.18
5.5.130.0130.07320.16
5.5.120.0200.06319.98
5.5.110.0000.05020.22
5.5.100.0030.05320.13
5.5.90.0100.06720.06
5.5.80.0130.07320.06
5.5.70.0030.07019.93
5.5.60.0100.06320.08
5.5.50.0000.07720.13
5.5.40.0030.07020.04
5.5.30.0070.04319.92
5.5.20.0100.08020.05
5.5.10.0070.06720.01
5.5.00.0070.07719.92
5.4.450.0130.06319.29
5.4.440.0100.08019.28
5.4.430.0130.02719.10
5.4.420.0000.08019.38
5.4.410.0070.03319.23
5.4.400.0100.06718.78
5.4.390.0030.03719.23
5.4.380.0230.06019.13
5.4.370.0100.07019.03
5.4.360.0070.06319.03
5.4.350.0030.08019.14
5.4.340.0130.07019.02
5.4.320.0070.07318.98
5.4.310.0000.08019.14
5.4.300.0070.04319.07
5.4.290.0070.07318.77
5.4.280.0100.05718.96
5.4.270.0030.05018.97
5.4.260.0000.08318.96
5.4.250.0100.06719.05
5.4.240.0070.07019.08
5.4.230.0000.06718.93
5.4.220.0030.07719.11
5.4.210.0200.08719.03
5.4.200.0170.07319.10
5.4.190.0070.05718.96
5.4.180.0030.07318.93
5.4.170.0100.06718.80
5.4.160.0100.03319.20
5.4.150.0070.05719.00
5.4.140.0030.08016.29
5.4.130.0100.06716.34
5.4.120.0030.06016.26
5.4.110.0070.06716.39
5.4.100.0070.07316.39
5.4.90.0100.06016.30
5.4.80.0030.07716.47
5.4.70.0100.06316.47
5.4.60.0000.07316.31
5.4.50.0130.06316.28
5.4.40.0030.05016.45
5.4.30.0130.07016.27
5.4.20.0030.04316.41
5.4.10.0030.05316.20
5.4.00.0000.05015.76
5.3.290.0130.07314.62
5.3.280.0130.03014.60
5.3.270.0100.07314.57
5.3.260.0070.06314.59
5.3.250.0000.06014.59
5.3.240.0070.06014.57
5.3.230.0070.06714.46
5.3.220.0100.06314.47
5.3.210.0070.07314.54
5.3.200.0000.05314.57
5.3.190.0170.06014.55
5.3.180.0030.05014.55
5.3.170.0030.04314.52
5.3.160.0070.05014.55
5.3.150.0030.04014.54
5.3.140.0030.05714.39
5.3.130.0030.05714.49
5.3.120.0100.07314.41
5.3.110.0030.06714.40
5.3.100.0030.04713.89
5.3.90.0030.03713.99
5.3.80.0070.07313.79
5.3.70.0070.04013.89
5.3.60.0030.07714.00
5.3.50.0030.08013.87
5.3.40.0030.05313.90
5.3.30.0070.04013.68
5.3.20.0100.06013.54
5.3.10.0130.06313.59
5.3.00.0100.03713.50
5.2.170.0070.05011.24
5.2.160.0030.05011.24
5.2.150.0070.06011.24
5.2.140.0030.05311.24
5.2.130.0030.06011.24
5.2.120.0000.03711.24
5.2.110.0030.03311.24
5.2.100.0000.03711.24
5.2.90.0100.05011.24
5.2.80.0030.03711.24
5.2.70.0030.03711.24
5.2.60.0030.03011.24
5.2.50.0030.07011.24
5.2.40.0070.03311.24
5.2.30.0000.06011.24
5.2.20.0030.05311.24
5.2.10.0030.03711.24
5.2.00.0030.06011.24
5.1.60.0070.02711.24
5.1.50.0030.02711.24
5.1.40.0030.05711.24
5.1.30.0030.02711.24
5.1.20.0070.05311.24
5.1.10.0100.05011.24
5.1.00.0070.05311.24
5.0.50.0030.02311.24
5.0.40.0070.03711.24
5.0.30.0030.06711.24
5.0.20.0030.04011.24
5.0.10.0030.02311.24
5.0.00.0030.05711.24
4.4.90.0030.01311.24
4.4.80.0030.03311.24
4.4.70.0000.03711.24
4.4.60.0000.02311.24
4.4.50.0100.02711.24
4.4.40.0030.03711.24
4.4.30.0000.03311.24
4.4.20.0000.03011.24
4.4.10.0030.02311.24
4.4.00.0000.03011.24
4.3.110.0030.02011.24
4.3.100.0030.01711.24
4.3.90.0030.02311.24
4.3.80.0030.03311.24
4.3.70.0000.02011.24
4.3.60.0030.02311.24
4.3.50.0030.03311.24
4.3.40.0000.06011.24
4.3.30.0030.03311.24
4.3.20.0000.03711.24
4.3.10.0000.02011.24
4.3.00.0000.02011.24

preferences:
29.25 ms | 401 KiB | 5 Q