3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d1=new DateTimeImmutable('03/08/2015 1:59am GMT-05:00'); echo $d1->format(DateTime::ISO8601)."\n"; //$d2 = $d1->modify('+0 hours'); echo $d2->format(DateTime::ISO8601)."\n"; echo '--\n'; $d1=new DateTimeImmutable('03/08/2015 1:59am GMT-05:00'); echo $d1->format(DateTime::ISO8601)."\n"; $d2 = clone $d1; echo $d2->format(DateTime::ISO8601)."\n";

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)
8.3.60.0070.00718.43
8.3.50.0140.00621.26
8.3.40.0080.00818.79
8.3.30.0120.00918.79
8.3.20.0070.00020.34
8.3.10.0080.00023.54
8.3.00.0060.00322.58
8.2.180.0100.01018.80
8.2.170.0180.00322.96
8.2.160.0080.00520.44
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0060.00317.75
8.2.110.0030.00720.95
8.2.100.0040.00817.75
8.2.90.0000.00819.14
8.2.80.0030.00518.00
8.2.70.0060.00317.75
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0050.00321.04
8.2.30.0040.00419.90
8.2.20.0040.00417.87
8.2.10.0000.00818.12
8.2.00.0040.00418.13
8.1.280.0040.01125.92
8.1.270.0000.00820.20
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00719.03
8.1.230.0040.00817.61
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00717.60
8.1.190.0080.00017.34
8.1.180.0080.00018.10
8.1.170.0030.00618.65
8.1.160.0090.00022.10
8.1.150.0000.00719.03
8.1.140.0040.00417.54
8.1.130.0000.00717.73
8.1.120.0040.00417.55
8.1.110.0030.00517.52
8.1.100.0070.00017.68
8.1.90.0050.00317.50
8.1.80.0000.01117.54
8.1.70.0000.00717.57
8.1.60.0000.00817.73
8.1.50.0030.00617.64
8.1.40.0040.00417.56
8.1.30.0040.00417.81
8.1.20.0000.00717.68
8.1.10.0030.00517.66
8.1.00.0050.00317.73
8.0.300.0000.00818.77
8.0.290.0000.00717.00
8.0.280.0030.00318.51
8.0.270.0000.00717.46
8.0.260.0000.00717.32
8.0.250.0050.00217.26
8.0.240.0000.00717.09
8.0.230.0030.00317.08
8.0.220.0080.00017.08
8.0.210.0000.00717.20
8.0.200.0070.00017.29
8.0.190.0000.00717.15
8.0.180.0040.00417.19
8.0.170.0060.00317.12
8.0.160.0000.00717.11
8.0.150.0000.00717.11
8.0.140.0030.00917.14
8.0.130.0090.00013.52
8.0.120.0050.00217.11
8.0.110.0040.00417.14
8.0.100.0040.00417.09
8.0.90.0040.00417.03
8.0.80.0030.01317.04
8.0.70.0040.00417.23
8.0.60.0040.00417.11
8.0.50.0000.00716.96
8.0.30.0160.00517.29
8.0.20.0130.00717.40
8.0.10.0040.00417.31
8.0.00.0100.00717.01
7.4.330.0060.00015.08
7.4.320.0030.00316.50
7.4.300.0000.00616.74
7.4.290.0000.00716.69
7.4.280.0030.00516.76
7.4.270.0080.00016.66
7.4.260.0000.00816.62
7.4.250.0000.00716.53
7.4.240.0060.00216.64
7.4.230.0030.00316.71
7.4.220.0090.00916.64
7.4.210.0100.00716.64
7.4.200.0030.00316.76
7.4.160.0090.00616.74
7.4.150.0110.00617.40
7.4.140.0140.00817.86
7.4.130.0070.01216.76
7.4.120.0070.01116.60
7.4.110.0070.01016.68
7.4.100.0060.01216.71
7.4.90.0100.00716.71
7.4.80.0070.01319.39
7.4.70.0070.01016.71
7.4.60.0120.00916.75
7.4.50.0030.00516.92
7.4.40.0080.00816.73
7.4.30.0150.00416.57
7.4.00.0070.00715.13
7.3.330.0050.00013.25
7.3.320.0000.00613.14
7.3.310.0040.00416.22
7.3.300.0030.00316.22
7.3.290.0090.00616.40
7.3.280.0070.01216.41
7.3.270.0100.00717.40
7.3.260.0120.00616.59
7.3.250.0120.00716.57
7.3.240.0090.00916.63
7.3.230.0130.01016.61
7.3.210.0030.01416.70
7.3.200.0080.00819.39
7.3.190.0040.01216.55
7.3.180.0030.01216.45
7.3.170.0060.01016.67
7.3.160.0120.00916.43
7.3.120.0040.01415.05
7.3.110.0060.00615.09
7.3.100.0100.00714.97
7.3.90.0060.00615.02
7.3.80.0040.01115.05
7.3.70.0100.00315.07
7.3.60.0030.00614.84
7.3.50.0060.00814.79
7.3.40.0070.01014.87
7.3.30.0030.00614.83
7.3.20.0060.00916.81
7.3.10.0040.00816.82
7.3.00.0000.01716.98
7.2.330.0070.01017.01
7.2.320.0030.01516.79
7.2.310.0030.01416.50
7.2.300.0070.01416.96
7.2.290.0100.00716.57
7.2.250.0070.01415.46
7.2.240.0030.01715.08
7.2.230.0080.00415.00
7.2.220.0060.00815.21
7.2.210.0030.00715.07
7.2.200.0030.01015.38
7.2.190.0000.01015.13
7.2.180.0110.00315.05
7.2.170.0000.01114.90
7.2.60.0040.00816.91
7.2.00.0000.01219.39
7.1.330.0080.00815.96
7.1.320.0040.01115.54
7.1.310.0100.00015.55
7.1.300.0000.01315.50
7.1.290.0030.01315.76
7.1.280.0090.00615.86
7.1.270.0100.00315.74
7.1.260.0040.01215.59
7.1.200.0060.00616.01
7.1.100.0080.00418.01
7.1.70.0040.01317.22
7.1.60.0100.01320.03
7.1.50.0130.01317.09
7.1.00.0070.07322.37
7.0.200.0180.00414.97
7.0.60.0170.06719.95
7.0.50.0030.04317.91
7.0.40.0070.05719.96
7.0.30.0370.04320.21
7.0.20.0300.05720.11
7.0.10.0270.06320.04
7.0.00.0030.06720.19
5.6.280.0030.03721.00
5.6.210.0030.04720.56
5.6.200.0070.08018.20
5.6.190.0070.09020.61
5.6.180.0230.04720.61
5.6.170.0300.07320.43
5.6.160.0070.06720.48
5.6.150.0000.05318.12
5.6.140.0030.04318.18
5.6.130.0070.08018.22
5.6.120.0170.04321.04
5.6.110.0200.07020.89
5.6.100.0030.08320.86
5.6.90.0230.06721.00
5.6.80.0100.08020.40
5.6.70.0370.06020.36
5.5.350.0000.08720.28
5.5.340.0000.06717.95
5.5.330.0030.04320.43
5.5.320.0300.07320.20
5.5.310.0330.07320.30
5.5.300.0100.07317.98
5.5.290.0030.05318.02
5.5.280.0170.07320.96
5.5.270.0170.04320.75
5.5.260.0100.07020.89
5.5.250.0130.06020.46
5.5.240.0000.05720.27
5.4.450.0130.05719.10
5.4.440.0170.05319.57
5.4.430.0230.05319.53
5.4.420.0070.06019.57
5.4.410.0170.05018.96
5.4.400.0170.05019.21
5.4.390.0100.06019.22
5.4.380.0130.05319.04
5.4.370.0170.05019.16
5.4.360.0270.04319.18
5.4.350.0200.04719.21
5.4.340.0130.05318.79
5.4.320.0030.06318.95
5.4.310.0200.05018.99
5.4.300.0170.05019.18
5.4.290.0100.06718.76
5.4.280.0200.05318.94
5.4.270.0100.06019.13
5.4.260.0170.05018.94
5.4.250.0270.04018.75
5.4.240.0100.06018.98
5.4.230.0070.06018.98
5.4.220.0170.05319.20
5.4.210.0130.05718.96
5.4.200.0100.05316.90
5.4.190.0270.04318.91
5.4.180.0100.05719.07
5.4.170.0230.05019.27
5.4.160.0230.04718.77
5.4.150.0200.05019.22
5.4.140.0100.05716.24
5.4.130.0170.04716.37
5.4.120.0100.06016.37
5.4.110.0200.04316.33
5.4.100.0230.04716.25
5.4.90.0130.05316.32
5.4.80.0130.05316.37
5.4.70.0230.04316.22
5.4.60.0030.03316.32
5.4.50.0030.06316.28
5.4.40.0030.05316.41
5.4.30.0300.06016.44
5.4.20.0330.06316.20

preferences:
55.47 ms | 401 KiB | 5 Q