3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hour1 = '12:00:00'; $hour2 = '09:00:00'; $o1 = new DateTime($hour1); $o2 = new DateTime($hour2); $diff = $o1->diff($o2,true); // to make the difference to be always positive. echo $diff->format('%H:%I:%S');

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)
8.5.10.0100.00818.90
8.5.00.0040.00920.08
8.4.150.0010.00014.05
8.4.140.0170.00817.85
8.4.130.0030.00618.75
8.4.120.0130.00624.20
8.4.110.0140.00620.62
8.4.100.0110.00818.93
8.4.90.0110.00920.71
8.4.80.0050.00318.94
8.4.70.0140.00719.19
8.4.60.0200.00518.27
8.4.50.0240.00420.88
8.4.40.0220.00717.60
8.4.30.0230.00618.96
8.4.20.0220.01317.79
8.4.10.0220.00618.64
8.3.280.0120.00718.57
8.3.270.0100.00916.68
8.3.260.0120.00816.65
8.3.250.0130.00518.75
8.3.240.0130.00617.06
8.3.230.0100.00916.63
8.3.220.0030.00518.86
8.3.210.0130.00616.49
8.3.200.0220.00516.50
8.3.190.0290.00617.68
8.3.180.0240.00816.47
8.3.170.0190.00916.62
8.3.160.0190.00716.60
8.3.150.0190.00816.66
8.3.140.0150.00416.62
8.3.130.0190.00616.60
8.3.120.0190.01117.75
8.3.110.0170.00918.80
8.3.100.0240.00620.20
8.3.90.0220.00721.66
8.3.80.0200.00716.53
8.3.70.0230.00617.41
8.3.60.0220.00717.42
8.3.50.0230.00621.24
8.3.40.0190.00818.38
8.3.30.0240.00818.16
8.3.20.0220.00419.04
8.3.10.0190.00419.79
8.3.00.0150.00919.64
8.2.290.0130.00520.30
8.2.280.0210.01017.39
8.2.270.0180.00817.50
8.2.260.0220.00816.65
8.2.250.0180.00516.70
8.2.240.0220.00517.89
8.2.230.0200.00519.52
8.2.220.0180.00726.97
8.2.210.0210.00221.49
8.2.200.0250.00716.62
8.2.190.0170.00616.56
8.2.180.0210.00817.63
8.2.170.0240.00620.51
8.2.160.0170.01119.03
8.2.150.0170.00821.06
8.2.140.0200.00521.06
8.2.130.0180.00721.92
8.2.120.0160.00918.73
8.2.110.0220.00219.38
8.2.100.0240.00417.86
8.2.90.0220.00418.02
8.2.80.0200.01017.77
8.2.70.0210.00517.79
8.2.60.0190.01017.76
8.2.50.0130.00817.92
8.2.40.0210.00618.03
8.2.30.0150.00618.77
8.2.20.0150.00817.98
8.2.10.0150.00518.54
8.2.00.0130.00718.48
8.1.330.0100.00821.85
8.1.320.0210.00717.11
8.1.310.0200.00916.50
8.1.300.0170.00617.34
8.1.290.0180.00617.65
8.1.280.0190.00921.06
8.1.270.0150.00719.88
8.1.260.0190.00821.75
8.1.250.0150.00822.81
8.1.240.0220.00619.99
8.1.230.0140.00619.26
8.1.220.0140.00617.67
8.1.210.0160.00618.11
8.1.200.0140.00717.38
8.1.190.0160.00617.30
8.1.180.0120.00817.60
8.1.170.0150.00718.00
8.1.160.0170.00618.16
8.1.150.0120.01018.08
8.1.140.0150.00519.05
8.1.130.0150.00717.47
8.1.120.0160.00517.51
8.1.110.0120.00617.52
8.1.100.0090.00617.43
8.1.90.0130.01017.53
8.1.80.0160.00617.48
8.1.70.0170.00517.38
8.1.60.0210.00517.48
8.1.50.0160.00617.51
8.1.40.0150.00717.57
8.1.30.0170.00617.71
8.1.20.0140.00817.66
8.1.10.0190.00317.60
8.1.00.0170.00717.63
8.0.300.0120.00719.21
8.0.290.0060.00616.91
8.0.280.0100.00317.59
8.0.270.0090.00517.43
8.0.260.0230.00516.85
8.0.250.0220.00517.04
8.0.240.0120.00617.06
8.0.230.0090.00316.92
8.0.220.0190.00316.77
8.0.210.0150.00616.84
8.0.200.0170.00517.01
8.0.190.0130.00917.00
8.0.180.0150.00716.92
8.0.170.0150.00716.80
8.0.160.0160.00616.97
8.0.150.0170.00516.76
8.0.140.0160.00616.92
8.0.130.0150.00714.87
8.0.120.0180.00316.82
8.0.110.0120.00716.85
8.0.100.0190.00316.85
8.0.90.0160.00816.74
8.0.80.0120.01116.89
8.0.70.0170.00516.99
8.0.60.0140.00616.80
8.0.50.0150.00516.75
8.0.30.0170.01016.88
8.0.20.0150.01017.09
8.0.10.0160.00616.87
8.0.00.0170.00917.23
7.4.330.0200.00216.59
7.4.320.0150.00616.48
7.4.300.0130.00716.44
7.4.290.0150.00516.52
7.4.280.0180.00316.41
7.4.270.0250.00416.35
7.4.260.0150.00414.82
7.4.250.0120.00716.38
7.4.240.0100.00616.53
7.4.230.0180.00416.41
7.4.220.0110.00516.50
7.4.210.0120.01016.58
7.4.200.0140.00616.44
7.4.190.0320.00316.43
7.4.180.0220.00616.37
7.4.160.0280.00716.46
7.4.150.0230.00716.35
7.4.140.0190.00917.14
7.4.130.0170.01016.86
7.4.120.0190.00816.90
7.4.110.0210.00816.77
7.4.100.0220.00816.88
7.4.90.0190.01016.88
7.4.80.0160.00717.41
7.4.70.0160.00816.75
7.4.60.0190.00916.80
7.4.50.0210.01216.74
7.4.40.0190.00616.69
7.4.30.0220.00916.82
7.4.20.0130.01116.65
7.4.10.0190.01016.79
7.4.00.0130.01016.78
7.3.330.0140.00816.20
7.3.320.0120.00714.67
7.3.310.0150.00616.27
7.3.300.0140.00616.26
7.3.290.0100.00916.27
7.3.280.0150.01016.24
7.3.270.0380.00916.20
7.3.260.0280.00617.07
7.3.250.0210.01117.04
7.3.240.0260.00817.03
7.3.230.0230.00716.79
7.3.220.0260.00916.84
7.3.210.0200.01116.69
7.3.200.0200.00716.68
7.3.190.0150.00716.63
7.3.180.0260.01116.74
7.3.170.0140.01016.74
7.3.160.0200.00516.67
7.3.150.0160.01216.82
7.3.140.0220.00816.75
7.3.130.0210.00616.64
7.3.120.0190.00616.64
7.3.110.0150.01316.58
7.3.100.0200.01016.64
7.3.90.0180.00716.63
7.3.80.0160.00716.67
7.3.70.0180.00616.67
7.3.60.0160.00816.58
7.3.50.0200.00716.59
7.3.40.0200.00816.68
7.3.30.0170.01116.68
7.3.20.0180.01217.47
7.3.10.0290.00917.52
7.3.00.0230.00817.54
7.2.340.0240.00716.94
7.2.330.0220.00916.86
7.2.320.0180.01016.87
7.2.310.0290.01116.86
7.2.300.0280.01116.86
7.2.290.0120.01816.83
7.2.280.0230.00616.90
7.2.270.0250.00916.83
7.2.260.0160.01116.80
7.2.250.0200.00616.69
7.2.240.0190.00816.72
7.2.230.0180.01016.66
7.2.220.0180.00516.84
7.2.210.0150.00916.73
7.2.200.0190.00816.79
7.2.190.0200.00716.82
7.2.180.0180.01416.73
7.2.170.0200.00816.77
7.2.160.0160.01316.75
7.2.150.0230.01117.77
7.2.140.0210.01117.77
7.2.130.0190.00917.73
7.2.120.0220.00817.66
7.2.110.0190.01217.69
7.2.100.0230.00817.73
7.2.90.0200.00817.75
7.2.80.0230.00717.78
7.2.70.0220.00717.70
7.2.60.0200.00917.85
7.2.50.0200.01117.82
7.2.40.0220.00917.82
7.2.30.0200.00917.78
7.2.20.0170.01117.71
7.2.10.0230.01217.84
7.2.00.0220.00617.83

preferences:
34.87 ms | 403 KiB | 5 Q