3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! var_dump(DateTime::createFromFormat('Y-m-d\\TH:i:s\\Z', '1970-02-01T18:00:00Z')->format('Y-m-d\\TH:i:s\\Z')); var_dump(DateTime::createFromFormat('Y-m-d\\TH:i:s\\Z', '1970-02-01T18:00:00Z', new DateTimeZone('Europe/London'))->format('Y-m-d\\TH:i:s\\Z'));

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)
8.3.40.0070.01318.79
8.3.30.0150.00418.66
8.3.20.0060.00318.73
8.3.10.0050.00320.56
8.3.00.0080.00019.25
8.2.170.0110.00422.96
8.2.160.0060.00920.47
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0020.00526.16
8.2.120.0070.00417.75
8.2.110.0040.00721.00
8.2.100.0030.00917.91
8.2.90.0070.00320.77
8.2.80.0060.00317.79
8.2.70.0030.00617.50
8.2.60.0060.00318.03
8.2.50.0070.00318.07
8.2.40.0000.00718.16
8.2.30.0100.00017.89
8.2.20.0040.00417.79
8.2.10.0030.00517.80
8.2.00.0000.00717.84
8.1.270.0070.00024.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0110.00022.48
8.1.230.0040.00820.89
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0000.00718.81
8.1.160.0080.00018.76
8.1.150.0040.00418.57
8.1.140.0000.00817.46
8.1.130.0070.00017.75
8.1.120.0000.00817.50
8.1.110.0040.00417.54
8.1.100.0000.00717.42
8.1.90.0070.00017.45
8.1.80.0070.00017.50
8.1.70.0030.00317.34
8.1.60.0040.00417.52
8.1.50.0030.00517.47
8.1.40.0000.00917.52
8.1.30.0040.00417.56
8.1.20.0050.00217.63
8.1.10.0040.00417.52
8.1.00.0040.00417.56
8.0.300.0070.00019.98
8.0.290.0060.00316.88
8.0.280.0030.00518.52
8.0.270.0030.00317.33
8.0.260.0030.00318.43
8.0.250.0090.00017.06
8.0.240.0050.00217.04
8.0.230.0000.00817.15
8.0.220.0070.00017.14
8.0.210.0040.00417.12
8.0.200.0030.00317.14
8.0.190.0000.00717.16
8.0.180.0060.00317.14
8.0.170.0090.00017.01
8.0.160.0000.00817.14
8.0.150.0040.00416.99
8.0.140.0070.00316.99
8.0.130.0000.00613.36
8.0.120.0000.00817.00
8.0.110.0040.00417.04
8.0.100.0040.00417.04
8.0.90.0050.00216.90
8.0.80.0070.01016.98
8.0.70.0000.00816.83
8.0.60.0040.00417.00
8.0.50.0070.00017.10
8.0.30.0050.01417.12
8.0.20.0090.00917.19
8.0.10.0040.00417.00
8.0.00.0150.00516.84
7.4.330.0020.00213.14
7.4.320.0030.00316.60
7.4.300.0060.00016.57
7.4.290.0040.00416.68
7.4.280.0000.00916.52
7.4.270.0000.00716.66
7.4.260.0050.00013.21
7.4.250.0060.00316.67
7.4.240.0050.00316.57
7.4.230.0030.00316.70
7.4.220.0090.00916.71
7.4.210.0100.00516.66
7.4.200.0000.00716.60
7.4.190.0000.00816.64
7.4.160.0060.00916.30
7.4.150.0140.00616.52
7.4.140.0050.01816.52
7.4.130.0080.01116.70
7.4.120.0100.01016.67
7.4.110.0100.00716.30
7.4.100.0170.00616.87
7.4.90.0140.00316.71
7.4.80.0070.01019.39
7.4.70.0100.00916.66
7.4.60.0060.01516.53
7.4.50.0030.00316.69
7.4.40.0070.00416.77
7.4.30.0140.00316.71
7.4.00.0070.00415.04
7.3.330.0070.00013.08
7.3.320.0060.00013.30
7.3.310.0030.00316.32
7.3.300.0000.00716.24
7.3.290.0150.00916.32
7.3.280.0130.00616.31
7.3.270.0100.00716.46
7.3.260.0060.01216.50
7.3.250.0070.01416.35
7.3.240.0090.00916.57
7.3.230.0150.00616.43
7.3.210.0150.00316.58
7.3.200.0090.00616.41
7.3.190.0070.01416.37
7.3.180.0110.00616.55
7.3.170.0130.00316.64
7.3.160.0090.00616.58
7.3.120.0120.00415.01
7.2.330.0160.00616.71
7.2.320.0150.01216.54
7.2.310.0050.01716.75
7.2.300.0050.01816.51
7.2.290.0060.01516.47
7.2.00.0090.00319.33
7.1.100.0030.00718.14
7.1.70.0170.00316.91
7.1.60.0040.01619.40
7.1.50.0160.00916.88
7.1.00.0200.05722.30
7.0.200.0250.00614.71
7.0.140.0030.07721.98
7.0.120.0070.07022.02
7.0.60.0170.07019.93
7.0.50.0070.07717.81
7.0.40.0000.09020.40
7.0.30.0270.08020.16
7.0.20.0200.04020.21
7.0.10.0300.07320.13
7.0.00.0030.04720.17
5.6.280.0070.06720.99
5.6.210.0100.05720.53
5.6.200.0000.07318.13
5.6.190.0000.09020.56
5.6.180.0370.08320.49
5.6.170.0200.06020.54
5.6.160.0130.07020.48
5.6.150.0200.06318.14
5.6.140.0130.07318.09
5.6.130.0000.04318.09
5.6.120.0100.04320.98
5.6.110.0170.06021.01
5.6.100.0130.07721.04
5.6.90.0170.07720.98
5.6.80.0030.08320.40
5.6.70.3970.04320.36
5.5.350.0130.04720.52
5.5.340.0130.03317.99
5.5.330.0230.06320.40
5.5.320.0000.06720.20
5.5.310.0330.07320.41
5.5.300.0000.05017.94
5.5.290.0030.08017.95
5.5.280.0070.05320.74
5.5.270.0170.08020.94
5.5.260.0130.07720.79
5.5.250.0030.08020.64
5.5.240.0000.09020.25
5.4.450.0170.07019.16
5.4.440.0030.05319.45
5.4.430.0070.04719.41
5.4.420.0070.06319.13
5.4.410.0230.06019.20
5.4.400.0030.08018.93
5.4.390.0100.04019.18
5.4.380.0030.05019.18
5.4.370.0100.07319.08
5.4.360.0130.07019.00
5.4.350.0030.06019.19
5.4.340.0070.06019.09
5.4.320.0130.07319.09
5.4.310.0070.04719.18
5.4.300.0030.04019.18
5.4.290.0100.07719.00
5.4.280.0170.06718.92
5.4.270.0100.06719.18
5.4.260.0070.07319.14
5.4.250.0030.05718.91
5.4.240.0030.04719.16
5.4.230.0070.04718.82
5.4.220.0070.04319.18
5.4.210.0070.07719.18
5.4.200.0100.04319.19
5.4.190.0070.07718.78
5.4.180.0100.07719.17
5.4.170.0130.06719.17
5.4.160.0130.05719.06
5.4.150.0130.06019.05
5.4.140.0070.04716.35
5.4.130.0000.04716.30
5.4.120.0070.07316.53
5.4.110.0030.07316.41
5.4.100.0070.03316.32
5.4.90.0100.03016.63
5.4.80.0000.04016.27
5.4.70.0030.07716.30
5.4.60.0070.04716.43
5.4.50.0100.03016.63
5.4.40.0070.03716.43
5.4.30.0100.03016.20
5.4.20.0100.06316.21
5.4.10.0130.04716.26
5.4.00.0030.05015.76
5.3.290.0100.07314.45
5.3.280.0130.07314.52
5.3.270.0070.06014.53
5.3.260.0070.05714.54
5.3.250.0030.08314.54
5.3.240.0070.05714.54
5.3.230.0030.05314.54
5.3.220.0070.06714.58
5.3.210.0100.07714.45
5.3.200.0100.05314.51
5.3.190.0100.06314.50
5.3.180.0070.07014.58
5.3.170.0100.07314.53
5.3.160.0070.03314.48
5.3.150.0070.03314.54
5.3.140.0030.03714.38
5.3.130.0100.03314.64
5.3.120.0070.03714.50
5.3.110.0030.06014.36
5.3.100.0070.07013.99
5.3.90.0070.04314.04
5.3.80.0030.05014.01
5.3.70.0070.04713.98
5.3.60.0100.05313.94
5.3.50.0030.03713.89
5.3.40.0030.04013.88
5.3.30.0000.03713.88
5.3.20.0030.03713.63
5.3.10.0030.03313.45
5.3.00.0030.03313.56
5.2.170.0070.03011.09
5.2.160.0000.03011.11
5.2.150.0070.02711.07
5.2.140.0030.02711.08
5.2.130.0030.03010.93
5.2.120.0030.02710.92
5.2.110.0070.02311.09
5.2.100.0000.03011.06
5.2.90.0070.02311.05
5.2.80.0030.02711.02
5.2.70.0000.03011.10
5.2.60.0030.02710.98
5.2.50.0000.03010.95
5.2.40.0030.02711.07
5.2.30.0000.03010.94
5.2.20.0030.02711.11
5.2.10.0030.02710.71
5.2.00.0070.02310.79
5.1.60.0030.0239.97
5.1.50.0170.0139.98
5.1.40.0000.0279.94
5.1.30.0030.02310.23
5.1.20.0030.02310.33
5.1.10.0030.02310.06
5.1.00.0030.02310.11
5.0.50.0030.0208.45
5.0.40.0000.0208.41
5.0.30.0030.0278.38
5.0.20.0000.0208.38
5.0.10.0070.0138.38
5.0.00.0030.0278.38
4.4.90.0000.0178.38
4.4.80.0000.0138.38
4.4.70.0070.0108.38
4.4.60.0030.0138.38
4.4.50.0000.0178.38
4.4.40.0000.0238.38
4.4.30.0000.0178.38
4.4.20.0000.0178.38
4.4.10.0030.0138.38
4.4.00.0000.0238.38
4.3.110.0000.0138.38
4.3.100.0000.0138.38
4.3.90.0000.0138.38
4.3.80.0000.0238.38
4.3.70.0000.0138.38
4.3.60.0000.0138.38
4.3.50.0000.0138.38
4.3.40.0030.0208.38
4.3.30.0000.0178.38
4.3.20.0030.0138.38
4.3.10.0000.0138.38
4.3.00.0030.0138.38

preferences:
39.04 ms | 400 KiB | 5 Q