3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = new DateTimeImmutable('-2 hours'); $newDt = $dt->modify('+2 hours'); var_dump($dt->format('U')); var_dump($newDt->format('U')); var_dump($dt === $newDt);

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)
8.3.60.0150.00018.43
8.3.50.0110.00622.12
8.3.40.0120.00318.92
8.3.30.0100.00319.17
8.3.20.0080.00020.09
8.3.10.0080.00023.48
8.3.00.0000.00818.86
8.2.180.0090.00616.63
8.2.170.0070.00722.96
8.2.160.0070.00720.40
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0090.00020.82
8.2.110.0030.00622.34
8.2.100.0070.00320.69
8.2.90.0110.00019.17
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0030.00518.05
8.2.50.0000.00818.07
8.2.40.0000.00821.08
8.2.30.0070.00018.16
8.2.20.0040.00417.78
8.2.10.0000.00718.18
8.2.00.0050.00317.86
8.1.280.0140.00425.92
8.1.270.0030.00523.95
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00324.04
8.1.230.0090.00319.09
8.1.220.0000.00917.74
8.1.210.0030.00618.77
8.1.200.0050.00917.46
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0050.00318.49
8.1.160.0000.00722.04
8.1.150.0040.00418.85
8.1.140.0080.00017.67
8.1.130.0030.00317.98
8.1.120.0030.00717.63
8.1.110.0040.00417.63
8.1.100.0080.00017.63
8.1.90.0040.00417.54
8.1.80.0080.00017.68
8.1.70.0050.00217.56
8.1.60.0070.00417.72
8.1.50.0080.00017.63
8.1.40.0080.00017.68
8.1.30.0000.00817.70
8.1.20.0040.00417.59
8.1.10.0000.00717.61
8.1.00.0050.00317.64
8.0.300.0040.00418.77
8.0.290.0050.00217.00
8.0.280.0050.00318.62
8.0.270.0000.00717.29
8.0.260.0030.00318.38
8.0.250.0040.00417.14
8.0.240.0030.00317.14
8.0.230.0000.00717.22
8.0.220.0030.00317.10
8.0.210.0000.00717.05
8.0.200.0000.00617.14
8.0.190.0000.00717.05
8.0.180.0040.00417.00
8.0.170.0000.00817.14
8.0.160.0080.00017.19
8.0.150.0040.00417.00
8.0.140.0000.00716.95
8.0.130.0000.00813.36
8.0.120.0080.00017.07
8.0.110.0040.00416.93
8.0.100.0070.00017.10
8.0.90.0050.00216.96
8.0.80.0000.01517.05
8.0.70.0040.00416.95
8.0.60.0050.00317.08
8.0.50.0000.00717.11
8.0.30.0090.00917.29
8.0.20.0110.00817.42
8.0.10.0000.00717.27
8.0.00.0110.01416.93
7.4.330.0000.00515.21
7.4.320.0040.00416.69
7.4.300.0000.00616.83
7.4.290.0060.00316.78
7.4.280.0030.00516.80
7.4.270.0050.00316.82
7.4.260.0030.00616.75
7.4.250.0050.00316.57
7.4.240.0030.00316.67
7.4.230.0000.00716.87
7.4.220.0090.00816.72
7.4.210.0080.00816.84
7.4.200.0000.00716.50
7.4.190.0030.00316.85
7.4.160.0150.00616.77
7.4.150.0110.00717.40
7.4.140.0100.01017.86
7.4.130.0110.00816.67
7.4.120.0060.01316.66
7.4.110.0130.00516.46
7.4.100.0030.01316.86
7.4.90.0120.00616.64
7.4.80.0060.01419.39
7.4.70.0060.00916.76
7.4.60.0080.00816.75
7.4.50.0000.00516.48
7.4.40.0090.00616.70
7.4.30.0060.01216.41
7.4.10.0030.01416.53
7.4.00.0030.01315.75
7.3.330.0050.00013.13
7.3.320.0060.00013.21
7.3.310.0030.00316.33
7.3.300.0030.00316.42
7.3.290.0090.00816.54
7.3.280.0050.00916.37
7.3.270.0090.00917.40
7.3.260.0060.01116.64
7.3.250.0090.00816.77
7.3.240.0090.00916.63
7.3.230.0120.00616.39
7.3.210.0040.01516.77
7.3.200.0150.00616.56
7.3.190.0080.00916.48
7.3.180.0130.00316.71
7.3.170.0040.01716.55
7.3.160.0100.00616.34
7.3.130.0070.00616.29
7.3.120.0100.00615.68
7.3.110.0040.01216.61
7.3.100.0070.01016.47
7.3.90.0080.00816.56
7.3.80.0030.01616.49
7.3.70.0080.00316.37
7.3.60.0080.00416.62
7.3.50.0000.01216.51
7.3.40.0090.00016.21
7.3.30.0030.01016.48
7.3.20.0040.00718.12
7.3.10.0070.00718.33
7.3.00.0030.00618.38
7.2.330.0150.00316.73
7.2.320.0110.00516.75
7.2.310.0000.01716.84
7.2.300.0130.01016.71
7.2.290.0090.01316.59
7.2.260.0100.00716.69
7.2.250.0050.01216.86
7.2.240.0090.00616.55
7.2.230.0070.01116.86
7.2.220.0060.01316.52
7.2.210.0060.01216.52
7.2.200.0130.00716.49
7.2.190.0040.01116.57
7.2.180.0070.00316.54
7.2.170.0070.00416.63
7.2.160.0040.00416.67
7.2.150.0060.01018.36
7.2.140.0070.00718.52
7.2.130.0030.00918.56
7.2.120.0100.00617.66
7.2.110.0040.00817.57
7.2.100.0060.00817.56
7.2.90.0040.01317.58
7.2.80.0070.00917.66
7.2.70.0040.01017.54
7.2.60.0080.00817.45
7.2.50.0080.00517.69
7.2.40.0080.00717.84
7.2.30.0100.00317.75
7.2.20.0060.01117.73
7.2.10.0090.00617.67
7.2.00.0050.00918.29
7.1.330.0100.00717.27
7.1.320.0090.00617.64
7.1.310.0000.01517.53
7.1.300.0030.00817.43
7.1.290.0090.00017.61
7.1.280.0000.00917.49
7.1.270.0040.00817.50
7.1.260.0090.00317.47
7.1.250.0060.00317.31
7.1.240.0120.00216.56
7.1.230.0080.00916.53
7.1.220.0080.00516.63
7.1.210.0150.00216.51
7.1.200.0070.00716.26
7.1.190.0100.00416.67
7.1.180.0080.00616.57
7.1.170.0100.00516.72
7.1.160.0050.01016.59
7.1.150.0060.00616.45
7.1.140.0090.00716.73
7.1.130.0070.00716.66
7.1.120.0080.00516.68
7.1.110.0090.00616.57
7.1.100.0070.00617.18
7.1.90.0060.00916.73
7.1.80.0070.00916.61
7.1.70.0070.00316.90
7.1.60.0080.01017.69
7.1.50.0060.00716.88
7.1.40.0120.00216.63
7.1.30.0070.00816.68
7.1.20.0050.01016.65
7.1.10.0110.00316.77
7.1.00.0060.03118.51
7.0.330.0060.00616.99
7.0.320.0080.00716.31
7.0.310.0090.00616.18
7.0.300.0050.01016.14
7.0.290.0080.00516.20
7.0.280.0020.00816.26
7.0.270.0060.00916.32
7.0.260.0080.00616.22
7.0.250.0070.00816.26
7.0.240.0090.00316.22
7.0.230.0050.01116.19
7.0.220.0020.01116.29
7.0.210.0060.00616.33
7.0.200.0100.00816.46
7.0.190.0080.00716.28
7.0.180.0050.00716.31
7.0.170.0060.00816.18
7.0.160.0090.00516.14
7.0.150.0070.00816.19
7.0.140.0070.02818.24
7.0.130.0020.00916.43
7.0.120.0110.00516.38
7.0.110.0060.00916.29
7.0.100.0100.00716.27
7.0.90.0070.00616.34
7.0.80.0070.00616.26
7.0.70.0080.00916.35
7.0.60.0060.03317.55
7.0.50.0100.01516.90
7.0.40.0070.03416.20
7.0.30.0110.03116.20
7.0.20.0100.01716.27
7.0.10.0110.02316.32
7.0.00.0100.02816.11
5.6.400.0000.01015.99
5.6.390.0030.00615.96
5.6.380.0090.00415.03
5.6.370.0080.01115.13
5.6.360.0110.00615.06
5.6.350.0110.00315.23
5.6.340.0090.00615.30
5.6.330.0080.00515.45
5.6.320.0040.00715.33
5.6.310.0050.00815.32
5.6.300.0070.00715.31
5.6.290.0130.00615.30
5.6.280.0030.03117.17
5.6.270.0070.00515.10
5.6.260.0070.01015.17
5.6.250.0080.00715.16
5.6.240.0100.00315.13
5.6.230.0080.00615.38
5.6.220.0070.00615.09
5.6.210.0110.02317.03
5.6.200.0070.02916.12
5.6.190.0100.02116.96
5.6.180.1450.01816.92
5.6.170.0160.01616.99
5.6.160.0080.02716.97
5.6.150.0090.02616.07
5.6.140.0080.02716.13
5.6.130.0110.02516.24
5.6.120.0040.03417.08
5.6.110.0100.01917.06
5.6.100.0080.02017.22
5.6.90.0010.04017.16
5.6.80.0060.02516.80
5.6.70.0150.03016.86
5.6.60.0070.00615.12
5.6.50.0050.01015.28
5.6.40.0070.01014.93
5.6.30.0060.00815.25
5.6.20.0090.00715.07
5.6.10.0030.01215.08
5.6.00.0030.01415.16
5.5.380.0060.00713.63
5.5.370.0080.00813.38
5.5.360.0080.00413.47
5.5.350.0120.03115.88
5.5.340.0080.01615.07
5.5.330.0060.01815.90
5.5.320.0190.03115.79
5.5.310.0150.02815.85
5.5.300.0070.01914.92
5.5.290.0060.03015.03
5.5.280.0090.03015.99
5.5.270.0080.03016.05
5.5.260.0040.03016.00
5.5.250.0110.02715.84
5.5.240.0040.01815.72
5.5.230.0020.00913.47
5.5.220.0020.00813.40
5.5.210.0030.01113.39
5.5.200.0080.00513.52
5.5.190.0110.00613.52
5.5.180.0050.00913.51
5.5.170.0070.00515.02
5.5.160.0110.00513.47
5.5.150.0100.00613.49
5.5.140.0090.00413.54
5.5.130.0030.00913.46
5.5.120.0020.01113.46
5.5.110.0090.00813.41
5.5.100.0050.01013.29
5.5.90.0030.01013.43
5.5.80.0050.00813.49
5.5.70.0100.00513.58
5.5.60.0080.00613.68
5.5.50.0070.00913.47
5.5.40.0090.00813.52
5.5.30.0080.00513.49
5.5.20.0050.00813.59
5.5.10.0080.00513.44
5.5.00.0080.00813.60
5.4.450.0250.02314.45
5.4.440.0090.02214.56
5.4.430.0280.02414.51
5.4.420.0250.00514.51
5.4.410.0090.02214.38
5.4.400.0150.02114.30
5.4.390.0120.02314.22
5.4.380.0090.02114.27
5.4.370.0070.02014.30
5.4.360.0060.02214.24
5.4.350.0030.02212.06
5.4.340.0050.02012.06
5.4.330.0080.00312.10
5.4.320.0060.01912.22
5.4.310.0060.02212.22
5.4.300.0070.02112.22
5.4.290.0060.02012.22
5.4.280.0060.01612.18
5.4.270.0070.01612.18
5.4.260.0070.01712.18
5.4.250.0070.01912.18
5.4.240.0050.01612.18
5.4.230.0060.01612.18
5.4.220.0060.02012.18
5.4.210.0080.01812.18
5.4.200.0090.01812.18
5.4.190.0060.02212.18
5.4.180.0070.01712.18
5.4.170.0050.01812.18
5.4.160.0050.01812.18
5.4.150.0050.01812.18
5.4.140.0060.01512.08
5.4.130.0060.01712.07
5.4.120.0090.01712.06
5.4.110.0100.01412.06
5.4.100.0070.01612.06
5.4.90.0050.01912.06
5.4.80.0060.01612.06
5.4.70.0070.01612.06
5.4.60.0050.01712.06
5.4.50.0060.01712.05
5.4.40.0050.01712.05
5.4.30.0040.01912.05
5.4.20.0060.01712.05
5.4.10.0060.02112.05
5.4.00.0070.01911.88
5.3.290.0080.01712.34
5.3.280.0060.02212.30
5.3.270.0090.02112.31
5.3.260.0080.02212.31
5.3.250.0050.02312.31
5.3.240.0080.02112.31
5.3.230.0070.01912.30
5.3.220.0070.02112.29
5.3.210.0060.02012.29
5.3.200.0060.01512.29
5.3.190.0030.01812.29
5.3.180.0040.01812.29
5.3.170.0080.01612.29
5.3.160.0050.02012.29
5.3.150.0060.01912.29
5.3.140.0070.01712.29
5.3.130.0050.01612.29
5.3.120.0070.01512.29
5.3.110.0100.01712.29
5.3.100.0070.02212.11
5.3.90.0090.01812.10
5.3.80.0050.01712.09
5.3.70.0090.01412.09
5.3.60.0060.01712.09
5.3.50.0070.01812.07
5.3.40.0080.01812.07
5.3.30.0070.01812.05
5.3.20.0060.01511.98
5.3.10.0070.01811.96
5.3.00.0070.01511.96
5.2.170.0020.02010.13
5.2.160.0090.01410.13
5.2.150.0060.01710.13
5.2.140.0040.01810.13
5.2.130.0070.01810.11
5.2.120.0070.01410.11
5.2.110.0040.01910.11
5.2.100.0050.02410.11
5.2.90.0100.01910.11
5.2.80.0030.02110.11
5.2.70.0060.01610.11
5.2.60.0050.02010.08
5.2.50.0050.01810.07
5.2.40.0060.01710.06
5.2.30.0070.01810.04
5.2.20.0080.01410.04
5.2.10.0060.01610.00
5.2.00.0060.0199.93
5.1.60.0070.0139.57
5.1.50.0050.0199.57
5.1.40.0040.0169.56
5.1.30.0040.0169.73
5.1.20.0010.0199.75
5.1.10.0060.0159.61
5.1.00.0070.0139.61
5.0.50.0020.0158.85
5.0.40.0040.0118.78
5.0.30.0040.0198.68
5.0.20.0030.0148.67
5.0.10.0020.0138.66
5.0.00.0060.0168.65
4.4.90.0030.0097.93
4.4.80.0040.0117.91
4.4.70.0050.0097.92
4.4.60.0040.0137.91
4.4.50.0050.0207.92
4.4.40.0060.0177.89
4.4.30.0020.0187.92
4.4.20.0060.0097.96
4.4.10.0050.0077.96
4.4.00.0050.0267.92
4.3.110.0040.0137.87
4.3.100.0040.0117.87
4.3.90.0040.0107.85
4.3.80.0050.0147.83
4.3.70.0050.0087.85
4.3.60.0020.0117.85
4.3.50.0020.0117.85
4.3.40.0010.0187.80
4.3.30.0050.0137.18
4.3.20.0030.0137.17
4.3.10.0030.0117.15
4.3.00.0060.0149.25

preferences:
36.5 ms | 401 KiB | 5 Q