3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = new DateTime('first Monday of 2015-03'); echo $dt->format('d M');

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)
8.3.40.0070.00718.96
8.3.30.0060.00818.91
8.3.20.0040.00420.18
8.3.10.0050.00221.96
8.3.00.0070.00019.25
8.2.170.0170.00322.96
8.2.160.0070.00720.56
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0060.00321.03
8.2.110.0100.00721.18
8.2.100.0090.00418.14
8.2.90.0040.00418.16
8.2.80.0040.00418.05
8.2.70.0000.00918.04
8.2.60.0060.00318.16
8.2.50.0000.00918.10
8.2.40.0040.00421.23
8.2.30.0000.00719.27
8.2.20.0040.00417.80
8.2.10.0040.00417.99
8.2.00.0030.00517.93
8.1.270.0090.00019.00
8.1.260.0090.00026.35
8.1.250.0030.00528.09
8.1.240.0040.00423.98
8.1.230.0110.00021.02
8.1.220.0090.00017.78
8.1.210.0050.00318.77
8.1.200.0000.00917.60
8.1.190.0060.00317.36
8.1.180.0050.00318.10
8.1.170.0040.00418.70
8.1.160.0070.00019.24
8.1.150.0070.00018.99
8.1.140.0040.00417.69
8.1.130.0070.00017.90
8.1.120.0040.00417.67
8.1.110.0030.00417.58
8.1.100.0000.00817.62
8.1.90.0000.00717.54
8.1.80.0040.00317.65
8.1.70.0030.00317.54
8.1.60.0030.00517.60
8.1.50.0000.00817.53
8.1.40.0040.00417.64
8.1.30.0000.00817.66
8.1.20.0000.00817.77
8.1.10.0040.00417.67
8.1.00.0090.00017.74
8.0.300.0060.00319.85
8.0.290.0040.00416.88
8.0.280.0070.00018.49
8.0.270.0070.00417.45
8.0.260.0030.00317.30
8.0.250.0070.00317.15
8.0.240.0040.00417.05
8.0.230.0000.00717.16
8.0.220.0030.00417.13
8.0.210.0030.00317.04
8.0.200.0000.00717.16
8.0.190.0060.00317.02
8.0.180.0000.00717.04
8.0.170.0000.00817.02
8.0.160.0030.00317.05
8.0.150.0030.00416.93
8.0.140.0000.00717.06
8.0.130.0000.00513.46
8.0.120.0060.00317.03
8.0.110.0000.00817.04
8.0.100.0020.00516.97
8.0.90.0000.00716.90
8.0.80.0030.01317.15
8.0.70.0000.00717.12
8.0.60.0080.00016.91
8.0.50.0000.00817.10
8.0.30.0100.01117.28
8.0.20.0110.01017.40
8.0.10.0000.00717.00
8.0.00.0060.01116.91
7.4.330.0020.00215.03
7.4.320.0030.00316.65
7.4.300.0000.00616.77
7.4.290.0040.00416.71
7.4.280.0040.00416.64
7.4.270.0030.00316.64
7.4.260.0000.00716.67
7.4.250.0070.00016.50
7.4.240.0000.00716.73
7.4.230.0040.00416.54
7.4.220.0120.01216.59
7.4.210.0060.01016.69
7.4.200.0030.00316.83
7.4.160.0090.00616.46
7.4.150.0130.01317.40
7.4.140.0090.01017.86
7.4.130.0070.01216.70
7.4.120.0080.00816.60
7.4.110.0090.01116.53
7.4.100.0130.00416.53
7.4.90.0070.01016.65
7.4.80.0120.00319.39
7.4.70.0090.00916.72
7.4.60.0100.00716.73
7.4.50.0000.00816.82
7.4.40.0040.01116.86
7.4.30.0170.00716.67
7.4.00.0110.00315.20
7.3.330.0000.00613.04
7.3.320.0050.00013.16
7.3.310.0030.00316.38
7.3.300.0070.00016.36
7.3.290.0090.00516.35
7.3.280.0140.00616.34
7.3.270.0100.01317.40
7.3.260.0090.00916.38
7.3.250.0070.01016.61
7.3.240.0050.01416.43
7.3.230.0110.01116.46
7.3.210.0190.00316.46
7.3.200.0130.00919.39
7.3.190.0030.01416.51
7.3.180.0030.01316.31
7.3.170.0120.00416.32
7.3.160.0070.01716.51
7.3.10.0040.00816.53
7.3.00.0070.00316.70
7.2.330.0000.01716.85
7.2.320.0060.01216.86
7.2.310.0100.01016.93
7.2.300.0100.00616.63
7.2.290.0100.01216.75
7.2.130.0000.01017.15
7.2.120.0160.00017.08
7.2.110.0070.00316.85
7.2.100.0040.00816.98
7.2.90.0060.00616.81
7.2.80.0070.00416.94
7.2.70.0080.00316.95
7.2.60.0070.00716.97
7.2.50.0070.00417.05
7.2.40.0030.01217.14
7.2.30.0090.00016.95
7.2.20.0120.00316.76
7.2.10.0070.00316.97
7.2.00.0080.00318.38
7.1.250.0000.01216.02
7.1.200.0090.00615.81
7.1.100.0000.01118.01
7.1.70.0040.00717.09
7.1.60.0080.00819.22
7.1.50.0250.00734.83
7.1.00.0030.07722.28
7.0.200.0040.00416.68
7.0.140.0030.03321.92
7.0.60.0130.04019.90
7.0.50.0130.04717.80
7.0.40.0070.08720.24
7.0.30.0300.05020.13
7.0.20.0230.07720.21
7.0.10.0030.05719.99
7.0.00.0070.03720.16
5.6.280.0000.07720.89
5.6.210.0100.07720.62
5.6.200.0070.08718.22
5.6.190.0070.08320.67
5.6.180.0430.06720.48
5.6.170.0200.05720.41
5.6.160.0170.07720.37
5.6.150.0100.03318.19
5.6.140.0000.05718.07
5.6.130.0070.08718.11
5.6.120.0170.06721.02
5.6.110.0070.07020.97
5.6.100.0030.08720.97
5.6.90.0130.07721.02
5.6.80.0030.08320.56
5.5.350.0270.08320.49
5.5.340.0000.04317.91
5.5.330.0100.08020.36
5.5.320.0200.03720.20
5.5.310.0230.05020.30
5.5.300.0100.08018.01
5.5.290.0130.07717.95
5.5.280.0170.07720.95
5.5.270.0070.07020.79
5.5.260.0130.07720.67
5.5.250.0230.04720.71
5.5.240.0270.04720.15
5.4.450.0700.05019.28
5.4.440.0670.05719.22
5.4.430.0800.05719.21
5.4.420.0870.05319.16
5.4.410.0800.04319.37
5.4.400.0600.06319.14
5.4.390.0730.05019.25
5.4.380.0270.05018.68
5.4.370.0230.05018.43
5.4.360.0170.05718.78
5.4.350.0170.06018.53
5.4.340.0170.05718.70
5.4.320.0270.05018.71
5.4.310.0230.05018.56
5.4.300.0200.05318.72
5.4.290.0270.04718.71
5.4.280.0200.05318.71
5.4.270.0200.05318.70
5.4.260.0130.06318.62
5.4.250.0200.06718.59
5.4.240.0300.07318.55
5.4.230.0170.05718.72
5.4.220.0200.05718.54
5.4.210.0230.07018.71
5.4.200.0300.05716.46
5.4.190.0270.06018.66
5.4.180.0370.05318.64
5.4.170.0270.05318.59
5.4.160.0330.06718.55
5.4.150.0300.06718.71
5.4.140.0300.07016.23
5.4.130.0130.05716.40
5.4.120.0230.05716.27
5.4.110.0270.04716.41
5.4.100.0170.06016.22
5.4.90.0330.04016.27
5.4.80.0300.06316.10
5.4.70.0330.06016.09
5.4.60.0300.04716.17
5.4.50.0200.05316.04
5.4.40.0330.06316.11
5.4.30.0270.07015.99
5.4.20.0300.07016.18
5.4.10.0200.05716.24
5.4.00.0230.06715.70
5.3.290.0330.04714.57
5.3.280.0170.07014.69
5.3.270.0130.06314.55
5.3.260.0430.05314.56
5.3.250.0270.04714.51
5.3.240.0200.06014.65
5.3.230.0170.05714.61
5.3.220.0300.06314.54
5.3.210.0170.05714.58
5.3.200.0230.06714.54
5.3.190.0270.07014.55
5.3.180.0330.07014.56
5.3.170.0230.07314.55
5.3.160.0370.06014.64
5.3.150.0330.06314.59
5.3.140.0300.06714.55
5.3.130.0330.04314.52
5.3.120.0230.06314.49
5.3.110.0200.06314.48
5.3.100.0230.05713.95
5.3.90.0230.06314.07
5.3.80.0370.05713.93
5.3.70.0400.05313.92
5.3.60.0470.04713.95
5.3.50.0270.05713.86
5.3.40.0270.04313.84
5.3.30.0200.07013.84
5.3.20.0130.07313.68
5.3.10.0170.05013.59
5.3.00.0230.05013.58
5.2.170.0170.05311.25
5.2.160.0230.05011.34
5.2.150.0200.04711.16
5.2.140.0170.06311.16
5.2.130.0170.04311.20
5.2.120.0070.05311.30
5.2.110.0270.05011.20
5.2.100.0230.05011.13
5.2.90.0200.05711.32
5.2.80.0200.06011.21
5.2.70.0200.05711.11
5.2.60.0070.04711.10
5.2.50.0200.04011.04
5.2.40.0130.04711.02
5.2.30.0170.04311.19
5.2.20.0130.04710.95
5.2.10.0170.04010.86
5.2.00.0270.03310.70
5.1.60.0100.03710.01
5.1.50.0230.03010.01
5.1.40.0170.03010.00
5.1.30.0130.04010.29
5.1.20.0170.05310.36
5.1.10.0230.02710.17
5.1.00.0130.03710.20
5.0.50.0100.0278.70
5.0.40.0170.0308.52
5.0.30.0130.0408.29
5.0.20.0070.0308.20
5.0.10.0200.0208.21
5.0.00.0170.0478.35
4.4.90.0100.0235.86
4.4.80.0070.0305.86
4.4.70.0100.0305.90
4.4.60.0100.0275.88
4.4.50.0130.0275.82
4.4.40.0200.0335.86
4.4.30.0170.0205.90
4.4.20.0100.0205.92
4.4.10.0170.0135.94
4.4.00.0070.0435.91
4.3.110.0100.0205.85
4.3.100.0200.0175.80
4.3.90.0100.0205.82
4.3.80.0070.0375.87
4.3.70.0100.0205.78
4.3.60.0070.0235.83
4.3.50.0100.0305.78
4.3.40.0100.0405.76
4.3.30.0030.0274.80
4.3.20.0070.0204.80
4.3.10.0030.0274.80
4.3.00.0130.0207.60

preferences:
47.58 ms | 400 KiB | 5 Q