3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = new DateTimeImmutable("2015-03-31"); var_dump($now->format("Y-m-d")); var_dump($now->modify("-1 month")->format("Y-m-d"));

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)
8.3.60.0100.01018.30
8.3.50.0110.00722.04
8.3.40.0110.00418.55
8.3.30.0100.00318.83
8.3.20.0050.00220.16
8.3.10.0070.00023.48
8.3.00.0080.00019.02
8.2.180.0120.00618.79
8.2.170.0040.01122.96
8.2.160.0040.01122.31
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0070.00021.12
8.2.110.0090.00021.03
8.2.100.0090.00317.91
8.2.90.0030.00622.32
8.2.80.0040.00418.82
8.2.70.0000.00817.63
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0030.00620.09
8.2.30.0030.00518.11
8.2.20.0050.00317.79
8.2.10.0030.00618.20
8.2.00.0080.00017.87
8.1.280.0040.01125.92
8.1.270.0040.00418.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00019.41
8.1.230.0080.00317.76
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0020.00517.35
8.1.180.0000.00918.10
8.1.170.0040.00418.71
8.1.160.0000.00718.88
8.1.150.0050.00219.05
8.1.140.0000.00717.63
8.1.130.0030.00318.00
8.1.120.0000.00917.54
8.1.110.0040.00417.54
8.1.100.0000.00717.63
8.1.90.0000.00717.54
8.1.80.0100.00017.64
8.1.70.0030.00317.65
8.1.60.0040.00417.69
8.1.50.0060.00317.64
8.1.40.0030.00517.63
8.1.30.0030.00517.70
8.1.20.0070.00017.62
8.1.10.0030.00517.68
8.1.00.0040.00417.70
8.0.300.0050.00318.77
8.0.290.0000.01016.87
8.0.280.0030.00318.42
8.0.270.0030.00517.36
8.0.260.0000.00817.25
8.0.250.0000.00717.14
8.0.240.0030.00317.16
8.0.230.0000.00717.13
8.0.220.0040.00416.93
8.0.210.0030.00317.10
8.0.200.0000.00717.09
8.0.190.0060.00317.11
8.0.180.0000.00817.09
8.0.170.0070.00017.11
8.0.160.0040.00417.18
8.0.150.0000.00717.05
8.0.140.0040.00417.00
8.0.130.0000.00513.53
8.0.120.0040.00417.04
8.0.110.0040.00417.03
8.0.100.0040.00417.04
8.0.90.0000.00717.19
8.0.80.0100.00617.08
8.0.70.0040.00417.02
8.0.60.0070.00016.89
8.0.50.0030.00517.12
8.0.30.0130.01417.19
8.0.20.0150.00417.40
8.0.10.0040.00417.02
8.0.00.0030.01416.85
7.4.330.0000.00515.06
7.4.320.0000.00616.59
7.4.300.0030.00316.63
7.4.290.0000.00816.67
7.4.280.0040.00416.77
7.4.270.0000.00716.72
7.4.260.0040.00416.58
7.4.250.0040.00416.55
7.4.240.0020.00516.64
7.4.230.0020.00516.84
7.4.220.0030.01616.53
7.4.210.0110.01116.76
7.4.200.0040.00416.66
7.4.160.0030.01216.66
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0050.01116.61
7.4.120.0100.00816.58
7.4.110.0130.00616.64
7.4.100.0100.00716.72
7.4.90.0110.01116.64
7.4.80.0110.01119.39
7.4.70.0060.01216.72
7.4.60.0070.01116.62
7.4.50.0050.00316.22
7.4.40.0070.01016.58
7.4.30.0100.00716.70
7.4.00.0000.01414.91
7.3.330.0000.00613.08
7.3.320.0000.00513.09
7.3.310.0000.00716.40
7.3.300.0030.00316.34
7.3.290.0110.00516.33
7.3.280.0130.00816.29
7.3.270.0120.00617.40
7.3.260.0120.00616.59
7.3.250.0060.01016.65
7.3.240.0070.01016.47
7.3.230.0130.00416.39
7.3.210.0130.00316.52
7.3.200.0030.01719.39
7.3.190.0030.01316.42
7.3.180.0140.00316.54
7.3.170.0030.01416.45
7.3.160.0030.01316.63
7.2.330.0070.01116.76
7.2.320.0120.00616.80
7.2.310.0120.00616.81
7.2.300.0120.01216.62
7.2.290.0180.00616.62
7.2.00.0070.00719.48
7.1.100.0000.01117.95
7.1.70.0080.00017.31
7.1.60.0200.00319.22
7.1.50.0000.02017.18
7.1.00.0000.08022.54
7.0.200.0040.00416.75
7.0.140.0070.07022.09
7.0.60.0030.04020.05
7.0.50.0070.05717.73
7.0.40.0070.05320.02
7.0.30.0400.07320.04
7.0.20.0300.08720.12
7.0.10.0030.05020.18
7.0.00.0000.09020.00
5.6.280.0000.07320.77
5.6.210.0030.06320.48
5.6.200.0170.07018.19
5.6.190.0170.05020.44
5.6.180.0330.05320.41
5.6.170.0230.05720.46
5.6.160.0030.04720.61
5.6.150.0170.07318.23
5.6.140.0030.07018.18
5.6.130.0030.06318.12
5.6.120.0130.03720.99
5.6.110.0030.08021.11
5.6.100.0000.04321.13
5.6.90.0170.07321.00
5.6.80.0070.08320.28
5.5.350.0300.05320.42
5.5.340.0030.08317.89
5.5.330.0170.07720.36
5.5.320.0370.05720.30
5.5.310.0400.07020.27
5.5.300.0030.06017.94
5.5.290.0070.05018.01
5.5.280.0070.08720.87
5.5.270.0030.07020.75
5.5.260.0200.07720.86
5.5.250.0030.06720.77
5.5.240.0000.08020.15
5.4.450.0670.06319.60
5.4.440.0170.05319.16
5.4.430.0730.06019.53
5.4.420.0700.06019.25
5.4.410.0700.06319.40
5.4.400.1130.06718.93
5.4.390.0370.05718.56
5.4.380.0300.06718.65
5.4.370.0370.05318.66
5.4.360.0200.05018.46
5.4.350.0300.04718.46
5.4.340.0130.06318.68
5.4.320.0270.05718.66
5.4.310.0300.06318.48
5.4.300.0330.07018.48
5.4.290.0270.05318.57
5.4.280.0230.05318.51
5.4.270.0270.06318.47
5.4.260.0230.06018.66
5.4.250.0200.06018.60
5.4.240.0270.06018.48
5.4.230.0270.05718.68
5.4.220.0330.07318.66
5.4.210.0330.05318.45
5.4.200.0300.06016.64
5.4.190.0300.06318.65
5.4.180.0370.06718.55
5.4.170.0430.06018.66
5.4.160.0270.07318.47
5.4.150.0300.07018.70
5.4.140.0370.06716.18
5.4.130.0200.07316.22
5.4.120.0300.06716.16
5.4.110.0430.05316.30
5.4.100.0230.07316.13
5.4.90.0400.05716.05
5.4.80.0330.05316.24
5.4.70.0400.05716.25
5.4.60.0200.06016.14
5.4.50.0230.07316.20
5.4.40.0300.05016.01
5.4.30.0370.05016.09
5.4.20.0300.04716.16
5.4.10.0300.04715.99
5.4.00.0230.05315.62
5.3.290.0370.04714.56
5.3.280.0300.05014.48
5.3.270.0230.05714.70
5.3.260.0330.05014.59
5.3.250.0230.07014.69
5.3.240.0230.05714.59
5.3.230.0300.07014.63
5.3.220.0370.06714.49
5.3.210.0300.07314.48
5.3.200.0200.06714.55
5.3.190.0300.05014.55
5.3.180.0300.04014.47
5.3.170.0270.05314.64
5.3.160.0230.05714.54
5.3.150.0230.05314.47
5.3.140.0330.05314.54
5.3.130.0230.06714.51
5.3.120.0200.06314.55
5.3.110.0270.05014.56
5.3.100.0230.05013.96
5.3.90.0170.05714.11
5.3.80.0170.05713.91
5.3.70.0200.05314.05
5.3.60.0400.03313.98
5.3.50.0330.04013.89
5.3.40.0170.05713.93
5.3.30.0230.04713.86
5.3.20.0300.04013.66
5.3.10.0270.04713.65
5.3.00.0300.05013.54
5.2.170.0070.05311.30
5.2.160.0100.04311.19
5.2.150.0100.04311.12
5.2.140.0170.04311.19
5.2.130.0200.04011.03
5.2.120.0270.05311.16
5.2.110.0200.04011.16
5.2.100.0230.03711.26
5.2.90.0270.03711.13
5.2.80.0230.04011.15
5.2.70.0130.05011.13
5.2.60.0230.04011.05
5.2.50.0130.04711.15
5.2.40.0170.03711.14
5.2.30.0170.04710.94
5.2.20.0130.04310.88
5.2.10.0200.03710.82
5.2.00.0170.03710.85
5.1.60.0230.02710.00
5.1.50.0130.03310.09
5.1.40.0130.03710.08
5.1.30.0170.03710.30
5.1.20.0170.04010.44
5.1.10.0070.04310.18
5.1.00.0100.04310.11
5.0.50.0200.0308.67
5.0.40.0130.0278.43
5.0.30.0130.0408.29
5.0.20.0070.0308.23
5.0.10.0170.0208.22
5.0.00.0030.0508.34
4.4.90.0070.0235.91
4.4.80.0130.0235.88
4.4.70.0100.0275.88
4.4.60.0000.0305.85
4.4.50.0100.0205.83
4.4.40.0000.0435.90
4.4.30.0070.0235.91
4.4.20.0070.0275.96
4.4.10.0100.0235.93
4.4.00.0070.0435.94
4.3.110.0100.0275.80
4.3.100.0230.0105.81
4.3.90.0100.0205.80
4.3.80.0170.0275.82
4.3.70.0070.0235.91
4.3.60.0200.0105.88
4.3.50.0000.0305.82
4.3.40.0170.0235.79
4.3.30.0070.0274.56
4.3.20.0000.0304.57
4.3.10.0030.0304.48
4.3.00.0030.0207.30

preferences:
42.85 ms | 401 KiB | 5 Q