3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getDiffInHours(\DateTime $earlierDate, \DateTime $laterDate) { $utc = new \DateTimeZone('UTC'); //Avoid side effects $first = clone $earlierDate; $second = clone $laterDate; //First convert to UTC to avoid missing hours due to DST etc $first->setTimezone($utc); $second->setTimezone($utc); $diff = $first->diff($second); return 24 * $diff->days + $diff->h; } $hours = getDiffInHours(new \DateTime(), new \DateTime('+ 31 hours')); var_dump($hours); //31

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)
8.3.60.0180.00018.07
8.3.50.0140.00321.27
8.3.40.0120.00318.93
8.3.30.0100.00320.34
8.3.20.0040.00419.00
8.3.10.0030.00621.22
8.3.00.0000.00723.61
8.2.180.0110.00716.63
8.2.170.0040.01122.96
8.2.160.0100.00320.35
8.2.150.0050.00324.18
8.2.140.0110.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.75
8.2.110.0060.00319.39
8.2.100.0090.00318.03
8.2.90.0000.00719.17
8.2.80.0000.00819.38
8.2.70.0070.00317.88
8.2.60.0090.00018.29
8.2.50.0040.00418.07
8.2.40.0030.00618.28
8.2.30.0040.00419.38
8.2.20.0030.00617.91
8.2.10.0040.00417.89
8.2.00.0020.00517.86
8.1.280.0120.00625.92
8.1.270.0030.00622.24
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0000.01122.60
8.1.230.0040.00721.03
8.1.220.0050.00318.77
8.1.210.0000.00818.85
8.1.200.0030.00617.48
8.1.190.0040.00417.66
8.1.180.0090.00018.10
8.1.170.0030.00618.59
8.1.160.0070.00018.95
8.1.150.0030.00518.85
8.1.140.0050.00217.58
8.1.130.0000.00718.00
8.1.120.0060.00317.59
8.1.110.0000.00717.62
8.1.100.0030.00617.64
8.1.90.0040.00417.48
8.1.80.0000.00717.61
8.1.70.0070.00017.67
8.1.60.0070.00317.77
8.1.50.0040.00417.70
8.1.40.0040.00417.74
8.1.30.0050.00317.87
8.1.20.0040.00417.80
8.1.10.0050.00317.70
8.1.00.0090.00017.73
8.0.300.0000.00719.93
8.0.290.0000.00717.16
8.0.280.0000.00718.62
8.0.270.0030.00317.39
8.0.260.0000.00617.02
8.0.250.0000.00717.27
8.0.240.0060.00317.21
8.0.230.0000.00717.26
8.0.220.0040.00417.13
8.0.210.0000.00717.16
8.0.200.0000.00617.16
8.0.190.0070.00417.14
8.0.180.0000.00817.09
8.0.170.0040.00417.11
8.0.160.0040.00417.06
8.0.150.0040.00416.98
8.0.140.0000.00816.95
8.0.130.0000.00613.48
8.0.120.0040.00417.11
8.0.110.0040.00417.21
8.0.100.0080.00017.00
8.0.90.0000.00717.26
8.0.80.0030.01217.11
8.0.70.0040.00417.00
8.0.60.0040.00417.09
8.0.50.0030.00617.02
8.0.30.0110.01117.17
8.0.20.0180.00817.40
8.0.10.0040.00417.14
8.0.00.0090.01216.80
7.4.330.0000.00515.07
7.4.320.0000.00716.56
7.4.300.0000.00616.75
7.4.290.0000.00716.61
7.4.280.0070.00016.77
7.4.270.0040.00416.67
7.4.260.0000.00513.46
7.4.250.0000.00816.69
7.4.240.0040.00416.82
7.4.230.0030.00316.53
7.4.220.0130.00616.60
7.4.210.0110.00716.73
7.4.200.0000.00716.80
7.4.190.0050.00316.59
7.4.160.0100.01316.67
7.4.150.0050.01217.40
7.4.140.0100.00817.86
7.4.130.0070.01116.78
7.4.120.0130.00316.90
7.4.110.0100.00716.84
7.4.100.0030.01316.65
7.4.90.0040.01416.71
7.4.80.0070.01019.39
7.4.70.0090.01516.68
7.4.60.0100.00616.70
7.4.50.0060.00316.55
7.4.40.0100.00322.77
7.4.30.0110.01216.82
7.4.00.0030.01015.14
7.3.330.0000.00513.32
7.3.320.0000.00513.34
7.3.310.0030.00316.55
7.3.300.0060.00016.57
7.3.290.0100.00316.61
7.3.280.0100.00616.54
7.3.270.0090.00917.40
7.3.260.0110.00818.24
7.3.250.0120.00616.64
7.3.240.0060.01016.70
7.3.230.0090.00916.68
7.3.210.0140.00416.68
7.3.200.0090.01219.39
7.3.190.0120.00616.75
7.3.180.0030.01216.76
7.3.170.0100.01016.77
7.3.160.0100.00616.79
7.3.120.0090.00915.09
7.2.330.0090.00917.06
7.2.320.0080.00816.98
7.2.310.0090.00916.62
7.2.300.0090.00617.04
7.2.290.0090.00617.02
7.1.70.0070.00017.59
7.1.60.0060.01919.17
7.1.50.0070.01717.27
7.1.00.0030.04722.36
7.0.200.0030.00616.86
7.0.140.0030.07322.01
7.0.100.0070.04020.20
7.0.90.0030.06019.94
7.0.80.0100.04020.13
7.0.70.0030.04719.88
7.0.60.0100.03319.95
7.0.50.0030.03320.33
7.0.40.0030.03720.10
7.0.30.0030.03720.08
7.0.20.0030.03719.96
7.0.10.0000.04320.14
7.0.00.0030.03320.08
5.6.280.0070.07020.86
5.6.250.0070.04020.60
5.6.240.0130.03320.53
5.6.230.0000.04720.68
5.6.220.0100.04320.67
5.6.210.0000.04720.75
5.6.200.0100.03321.05
5.6.190.0070.03320.97
5.6.180.0130.02320.95
5.6.170.0100.03021.09
5.6.160.0070.03321.02
5.6.150.0070.03020.94
5.6.140.0030.03320.93
5.6.130.0030.04021.05
5.6.120.0030.03321.11
5.6.110.0030.03321.03
5.6.100.0000.06321.16
5.6.90.0070.03321.09
5.6.80.0030.04020.50
5.6.70.0100.08020.33
5.6.60.0130.07020.55
5.6.50.0070.08320.53
5.6.40.0030.06020.38
5.6.30.0030.04020.44
5.6.20.0070.04020.31
5.6.10.0000.04720.53
5.6.00.0170.07720.39
5.5.380.0030.04320.42
5.5.370.0030.05320.36
5.5.360.0070.04020.36
5.5.350.0030.04320.42
5.5.340.0070.03320.73
5.5.330.0100.02720.89
5.5.320.0000.03720.86
5.5.310.0070.03020.77
5.5.300.0030.04020.92
5.5.290.0000.04020.88
5.5.280.0070.03020.88
5.5.270.0000.03720.75
5.5.260.0030.03720.80
5.5.250.0030.03720.69
5.5.240.0030.06720.26
5.5.230.0000.04020.30
5.5.220.0070.08020.02
5.5.210.0100.05320.27
5.5.200.0030.08320.16
5.5.190.0130.07320.21
5.5.180.0000.04720.18
5.5.160.0100.03720.21
5.5.150.0070.07720.21
5.5.140.0030.08720.21
5.5.130.0070.08320.13
5.5.120.0070.07020.23
5.5.110.0130.08020.15
5.5.100.0070.04020.10
5.5.90.0100.07320.17
5.5.80.0070.07320.06
5.5.70.0100.03720.04
5.5.60.0100.07020.16
5.5.50.0070.07720.09
5.5.40.0070.08020.13
5.5.30.0000.04720.13
5.5.20.0100.03720.14
5.5.10.0030.04020.03
5.5.00.0030.08320.09
5.4.450.0100.02719.49
5.4.440.0070.03019.23
5.4.430.0000.03719.22
5.4.420.0030.03319.45
5.4.410.0000.03319.38
5.4.400.0130.07019.13
5.4.390.0030.07319.12
5.4.380.0030.04319.22
5.4.370.0000.08019.23
5.4.360.0100.07719.05
5.4.350.0030.05318.88
5.4.340.0170.06319.03
5.4.320.0130.07719.04
5.4.310.0000.08719.16
5.4.300.0030.05019.05
5.4.290.0000.09018.84
5.4.280.0100.03719.09
5.4.270.0100.08318.94
5.4.260.0030.05319.09
5.4.250.0070.03719.05
5.4.240.0030.04019.15
5.4.230.0070.07319.04
5.4.220.0130.06719.23
5.4.210.0000.04319.04
5.4.200.0000.06719.12
5.4.190.0000.06719.08
5.4.180.0070.03318.94
5.4.170.0030.08319.17
5.4.160.0030.04018.86
5.4.150.0070.04019.16
5.4.140.0070.04716.50
5.4.130.0100.03016.42
5.4.120.0070.04016.42
5.4.110.0170.06016.51
5.4.100.0030.04316.54
5.4.90.0100.07016.46
5.4.80.0130.07316.49
5.4.70.0100.07316.25
5.4.60.0070.05016.56
5.4.50.0130.06316.30
5.4.40.0070.07316.37
5.4.30.0130.03016.34
5.4.20.0030.07716.46
5.4.10.0030.03316.39
5.4.00.0030.07015.90
5.3.290.0030.05314.59
5.3.280.0130.07314.53
5.3.270.0070.08314.70
5.3.260.0030.05314.53
5.3.250.0070.04014.74
5.3.240.0130.07014.69
5.3.230.0030.08014.73
5.3.220.0030.08014.66
5.3.210.0030.04014.61
5.3.200.0170.03714.48
5.3.190.0130.06714.69
5.3.180.0030.07314.70
5.3.170.0130.07014.55
5.3.160.0100.07014.57
5.3.150.0070.07314.50
5.3.140.0000.03314.49
5.3.130.0070.07714.47
5.3.120.0030.03714.61
5.3.110.0100.07014.54
5.3.100.0030.08014.09
5.3.90.0000.03313.99
5.3.80.0100.07313.92
5.3.70.0070.04714.08
5.3.60.0030.04014.09
5.3.50.0070.07313.96
5.3.40.0000.04313.83
5.3.30.0100.07013.97
5.3.20.0070.03713.63
5.3.10.0030.07013.59
5.3.00.0030.04313.77
5.2.170.0000.05011.20
5.2.160.0070.06011.16
5.2.150.0000.07011.14
5.2.140.0070.05711.14
5.2.130.0100.06011.18
5.2.120.0130.05011.15
5.2.110.0070.06011.00
5.2.100.0030.06011.20
5.2.90.0100.05711.13
5.2.80.0100.06011.08
5.2.70.0070.06311.11
5.2.60.0070.03010.96
5.2.50.0070.06311.09
5.2.40.0070.03711.09
5.2.30.0100.03011.03
5.2.20.0030.04710.86
5.2.10.0000.03010.99
5.2.00.0000.06310.70
5.1.60.0000.05710.09
5.1.50.0070.05010.00
5.1.40.0030.05710.08
5.1.30.0070.05710.39
5.1.20.0000.03310.27
5.1.10.0070.05310.11
5.1.00.0030.03310.11
5.0.50.0030.0439.24
5.0.40.0000.0179.24
5.0.30.0000.0539.24
5.0.20.0070.0409.24
5.0.10.0070.0409.24
5.0.00.0030.0439.24
4.4.90.0030.0309.24
4.4.80.0030.0239.24
4.4.70.0000.0279.24
4.4.60.0000.0179.24
4.4.50.0030.0139.24
4.4.40.0000.0579.24
4.4.30.0000.0409.24
4.4.20.0000.0339.24
4.4.10.0000.0279.24
4.4.00.0030.0579.24
4.3.110.0000.0309.24
4.3.100.0030.0179.24
4.3.90.0000.0379.24
4.3.80.0000.0579.24
4.3.70.0030.0279.24
4.3.60.0030.0379.24
4.3.50.0000.0179.24
4.3.40.0000.0239.24
4.3.30.0000.0139.24
4.3.20.0000.0179.24
4.3.10.0000.0179.24
4.3.00.0000.0309.24

preferences:
53.19 ms | 401 KiB | 5 Q