3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datetime1 = new DateTime('2017-09-01 23:00:00'); $datetime2 = new DateTime('2017-09-02 01:34:00'); $hours = round(($datetime2->getTimestamp() - $datetime1->getTimestamp()) / 3600 , 2); echo $hours; //2.57

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)
8.5.10.0070.01218.51
8.5.00.0150.00620.04
8.4.150.0020.00014.05
8.4.140.0120.00817.73
8.4.130.0090.01119.48
8.4.120.0050.00520.55
8.4.110.0130.00620.71
8.4.100.0130.00918.60
8.4.90.0140.00718.84
8.4.80.0060.00318.72
8.4.70.0100.01018.16
8.4.60.0060.00218.90
8.4.50.0120.00818.65
8.4.40.0060.01217.76
8.4.30.0060.01320.66
8.4.20.0210.00018.82
8.4.10.0160.00317.79
8.3.280.0140.00618.55
8.3.270.0160.00716.41
8.3.260.0120.00716.65
8.3.250.0110.00818.84
8.3.240.0120.00716.55
8.3.230.0120.00816.52
8.3.220.0140.00519.02
8.3.210.0050.00318.38
8.3.200.0100.01016.32
8.3.190.0090.00617.42
8.3.180.0130.00618.75
8.3.170.0140.00320.63
8.3.160.0090.00917.20
8.3.150.0150.00017.24
8.3.140.0090.00916.63
8.3.130.0150.00316.70
8.3.120.0040.00418.88
8.3.110.0030.00720.94
8.3.100.0060.00318.27
8.3.90.0100.00026.77
8.3.80.0130.00016.63
8.3.70.0070.00716.58
8.3.60.0110.01118.43
8.3.50.0090.00518.39
8.3.40.0120.00318.91
8.3.30.0060.00918.60
8.3.20.0110.00423.79
8.3.10.0050.00323.64
8.3.00.0040.00422.40
8.2.290.0110.00720.30
8.2.280.0110.00718.52
8.2.270.0060.00818.79
8.2.260.0030.01618.22
8.2.250.0140.00018.63
8.2.240.0000.00918.75
8.2.230.0030.00622.58
8.2.220.0060.00324.06
8.2.210.0070.00726.77
8.2.200.0080.00018.54
8.2.190.0110.01116.63
8.2.180.0080.00825.92
8.2.170.0100.01019.08
8.2.160.0110.00422.96
8.2.150.0130.00725.66
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0040.00419.50
8.2.100.0110.00018.03
8.2.90.0030.00520.42
8.2.80.0070.00020.48
8.2.70.0080.00018.16
8.2.60.0080.00018.11
8.2.50.0030.00518.10
8.2.40.0000.00819.42
8.2.30.0040.00419.49
8.2.20.0040.00418.18
8.2.10.0000.00719.37
8.2.00.0050.00219.37
8.1.330.0100.00921.78
8.1.320.0070.00315.90
8.1.310.0070.01018.58
8.1.300.0080.00019.93
8.1.290.0060.00330.84
8.1.280.0130.00625.92
8.1.270.0070.00024.66
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0040.00422.64
8.1.230.0120.00020.88
8.1.220.0000.00717.78
8.1.210.0050.00319.03
8.1.200.0060.00317.50
8.1.190.0000.00917.48
8.1.180.0000.00818.10
8.1.170.0030.00518.67
8.1.160.0070.00418.86
8.1.150.0030.00518.91
8.1.140.0070.00020.98
8.1.130.0000.00917.63
8.1.120.0030.00617.68
8.1.110.0040.00417.63
8.1.100.0000.00917.62
8.1.90.0050.00517.59
8.1.80.0000.00717.57
8.1.70.0040.00417.60
8.1.60.0000.00817.74
8.1.50.0080.00017.60
8.1.40.0050.00317.50
8.1.30.0040.00417.66
8.1.20.0040.00417.71
8.1.10.0060.00317.66
8.1.00.0000.00717.71
8.0.300.0040.00419.98
8.0.290.0030.00616.75
8.0.280.0050.00218.50
8.0.270.0070.00017.39
8.0.260.0030.00317.05
8.0.250.0030.00317.11
8.0.240.0040.00417.13
8.0.230.0040.00417.23
8.0.220.0000.00716.98
8.0.210.0000.00717.08
8.0.200.0000.00717.12
8.0.190.0000.00717.16
8.0.180.0050.00217.15
8.0.170.0030.00617.13
8.0.160.0000.00817.02
8.0.150.0030.00317.04
8.0.140.0000.00717.06
8.0.130.0030.00313.40
8.0.120.0000.00817.06
8.0.110.0000.00716.91
8.0.100.0080.00016.92
8.0.90.0070.00016.96
8.0.80.0120.00417.14
8.0.70.0060.00316.99
8.0.60.0030.00517.05
8.0.50.0000.00717.15
8.0.30.0070.01016.96
8.0.20.0180.00017.41
8.0.10.0040.00417.17
8.0.00.0150.00317.00
7.4.330.0000.00715.55
7.4.320.0030.00316.75
7.4.300.0000.00616.71
7.4.290.0000.00716.70
7.4.280.0050.00316.73
7.4.270.0070.00016.64
7.4.260.0000.00613.27
7.4.250.0030.00316.70
7.4.240.0020.00516.70
7.4.230.0030.00316.52
7.4.220.0030.00316.65
7.4.210.0070.01116.79
7.4.200.0070.00016.76
7.4.140.0090.00917.86
7.4.130.0030.01416.63
7.4.120.0030.01616.69
7.4.110.0030.01416.61
7.4.100.0030.01616.54
7.4.90.0100.00716.62
7.4.80.0120.00919.39
7.4.70.0030.01716.69
7.4.60.0120.00616.59
7.4.50.0060.00616.73
7.4.40.0040.01416.78
7.4.00.0060.01114.97
7.3.330.0050.00316.50
7.3.320.0000.00513.21
7.3.310.0040.00416.43
7.3.300.0030.00316.35
7.3.290.0070.00016.45
7.3.280.0060.00916.44
7.3.260.0090.01116.65
7.3.240.0100.00616.55
7.3.230.0090.01316.80
7.3.210.0100.00616.63
7.3.200.0100.00716.32
7.3.190.0090.01216.73
7.3.180.0070.01016.49
7.3.170.0100.00716.56
7.3.160.0120.00316.41
7.3.120.0030.01314.64
7.3.110.0030.01514.70
7.3.100.0100.00514.80
7.3.90.0060.00914.86
7.3.80.0080.00714.91
7.3.70.0100.00614.76
7.3.60.0080.00614.82
7.3.50.0100.00514.89
7.3.40.0080.00814.95
7.3.30.0100.00714.73
7.3.20.0080.00815.40
7.3.10.0050.01215.45
7.3.00.0090.01015.29
7.2.330.0070.01016.68
7.2.320.0030.01316.64
7.2.310.0090.00916.63
7.2.300.0060.01016.75
7.2.290.0100.00716.94
7.2.250.0150.00414.99
7.2.240.0120.00814.92
7.2.230.0110.00715.28
7.2.220.0060.00814.97
7.2.210.0050.01115.18
7.2.200.0070.01015.18
7.2.190.0060.00915.11
7.2.180.0090.00815.15
7.2.170.0100.00615.08
7.2.160.0080.00715.06
7.2.150.0090.00715.16
7.2.140.0160.00615.18
7.2.130.0080.00815.09
7.2.120.0100.00815.08
7.2.110.0100.00715.13
7.2.100.0090.00815.01
7.2.90.0050.01015.17
7.2.80.0110.00615.21
7.2.70.0090.01015.08
7.2.60.0050.01315.14
7.2.50.0080.00815.23
7.2.40.0090.00915.05
7.2.30.0100.01015.15
7.2.20.0110.01615.22
7.2.10.0100.00815.16
7.2.00.0130.00615.03
7.1.330.0070.01015.66
7.1.320.0090.00614.58
7.1.310.0130.00314.52
7.1.300.0070.00914.47
7.1.290.0070.00814.42
7.1.280.0070.00914.46
7.1.270.0060.00914.53
7.1.260.0050.01014.59
7.1.250.0130.01014.04

preferences:
32.7 ms | 403 KiB | 5 Q