3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '2 months'; $n = strtotime('13 March 2014'); // curr = 5 // pstt = 7 // diff = 2 // trgt = 3 // curr - (pstt - curr) // 5 - (7 - 5) = 3 $t = $n - (strtotime($s, $n) - $n); echo date('M', $t);

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)
8.3.60.0040.01118.30
8.3.50.0110.00722.10
8.3.40.0070.01118.79
8.3.30.0100.00319.04
8.3.20.0040.00420.21
8.3.10.0000.00821.98
8.3.00.0080.00022.43
8.2.180.0120.00616.75
8.2.170.0090.00622.96
8.2.160.0070.00720.77
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00017.63
8.2.110.0060.00320.61
8.2.100.0060.00618.01
8.2.90.0080.00018.01
8.2.80.0040.00418.05
8.2.70.0090.00317.38
8.2.60.0000.00917.93
8.2.50.0080.00018.07
8.2.40.0000.00818.28
8.2.30.0070.00018.11
8.2.20.0000.00717.90
8.2.10.0070.00019.63
8.2.00.0040.00417.86
8.1.280.0150.00625.92
8.1.270.0050.00322.14
8.1.260.0120.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00622.33
8.1.230.0110.00020.88
8.1.220.0000.00817.90
8.1.210.0040.00418.97
8.1.200.0060.00317.47
8.1.190.0000.00817.42
8.1.180.0040.00418.10
8.1.170.0000.00918.70
8.1.160.0030.00321.88
8.1.150.0020.00518.88
8.1.140.0060.00317.68
8.1.130.0040.00417.94
8.1.120.0040.00417.55
8.1.110.0030.00317.54
8.1.100.0000.00717.66
8.1.90.0000.00717.54
8.1.80.0070.00017.64
8.1.70.0000.00717.56
8.1.60.0040.00417.73
8.1.50.0000.00917.57
8.1.40.0030.00617.66
8.1.30.0040.00417.79
8.1.20.0000.00817.77
8.1.10.0080.00017.66
8.1.00.0040.00417.59
8.0.300.0050.00320.24
8.0.290.0000.00717.18
8.0.280.0070.00018.52
8.0.270.0040.00417.35
8.0.260.0030.00317.15
8.0.250.0000.00717.23
8.0.240.0070.00017.13
8.0.230.0070.00017.01
8.0.220.0030.00317.09
8.0.210.0000.00717.02
8.0.200.0030.00317.08
8.0.190.0040.00417.16
8.0.180.0000.00717.10
8.0.170.0000.00817.02
8.0.160.0000.00716.98
8.0.150.0050.00317.07
8.0.140.0050.00316.95
8.0.130.0050.00013.48
8.0.120.0040.00417.04
8.0.110.0000.00716.93
8.0.100.0070.00017.14
8.0.90.0030.00616.89
8.0.80.0040.01117.13
8.0.70.0000.00716.92
8.0.60.0070.00017.13
8.0.50.0000.00716.94
8.0.30.0120.00917.23
8.0.20.0120.01117.40
8.0.10.0070.00017.06
8.0.00.0090.00816.93
7.4.330.0050.00015.21
7.4.320.0030.00316.48
7.4.300.0030.00316.75
7.4.290.0040.00416.74
7.4.280.0000.00716.48
7.4.270.0030.00316.71
7.4.260.0100.00016.75
7.4.250.0040.00416.71
7.4.240.0050.00216.63
7.4.230.0000.00716.67
7.4.220.0180.00916.74
7.4.210.0100.00816.68
7.4.200.0040.00416.71
7.4.190.0030.00316.61
7.4.160.0100.01316.52
7.4.150.0100.01317.40
7.4.140.0120.00917.86
7.4.130.0120.00616.66
7.4.120.0090.00816.67
7.4.110.0130.01016.81
7.4.100.0110.00716.74
7.4.90.0060.01716.76
7.4.80.0150.00319.39
7.4.70.0070.01016.71
7.4.60.0110.00516.75
7.4.50.0020.00216.56
7.4.40.0000.01222.77
7.4.30.0100.00716.60
7.4.00.0120.00615.18
7.3.330.0000.00613.26
7.3.320.0000.00513.23
7.3.310.0000.00816.33
7.3.300.0000.00616.44
7.3.290.0130.00316.45
7.3.280.0070.01116.36
7.3.270.0090.00917.40
7.3.260.0110.01116.55
7.3.250.0120.01016.47
7.3.240.0090.01216.38
7.3.230.0070.01016.69
7.3.210.0070.01016.48
7.3.200.0090.01319.39
7.3.190.0180.00616.59
7.3.180.0080.00816.61
7.3.170.0130.00316.77
7.3.160.0090.00916.41
7.3.120.0100.00314.92
7.2.330.0120.00416.68
7.2.320.0290.02316.56
7.2.310.0070.01016.83
7.2.300.0040.01817.00
7.2.290.0070.01016.68
7.2.60.0040.01217.07
7.2.00.0000.01619.37
7.1.200.0090.00616.07
7.1.100.0060.00618.43
7.1.70.0040.00417.40
7.1.60.0120.00319.82
7.1.50.0040.01517.29
7.1.00.0070.07022.54
7.0.200.0100.00017.06
7.0.140.0030.07321.99
7.0.90.0000.09021.79
7.0.80.0000.04021.69
7.0.70.0030.08321.72
7.0.60.0030.09021.75
7.0.50.0070.08021.97
7.0.40.0070.07320.08
7.0.30.0130.07720.00
7.0.20.0100.07020.13
7.0.10.0030.08320.12
7.0.00.0070.04720.12
5.6.280.0030.07320.92
5.6.240.0000.08320.57
5.6.230.0030.07720.49
5.6.220.0030.04020.59
5.6.210.0070.07020.67
5.6.200.0000.06021.04
5.6.190.0030.08320.93
5.6.180.0070.08021.04
5.6.170.0100.07020.92
5.6.160.0000.08721.07
5.6.150.0070.04720.95
5.6.140.0000.05021.00
5.6.130.0070.04321.09
5.6.120.0000.08321.12
5.6.110.0070.08021.11
5.6.100.0070.08320.91
5.6.90.0000.08021.14
5.6.80.0030.06020.39
5.6.70.0070.07320.46
5.6.60.0100.07020.38
5.6.50.0030.08320.44
5.6.40.0100.07720.29
5.6.30.0070.07720.39
5.6.20.0000.08320.45
5.6.10.0030.07720.45
5.6.00.0030.07020.50
5.5.380.0000.07720.38
5.5.370.0070.07020.40
5.5.360.0130.07320.39
5.5.350.0070.04720.32
5.5.340.0030.08720.82
5.5.330.0070.06320.77
5.5.320.0070.07720.81
5.5.310.0170.05020.79
5.5.300.0100.04020.82
5.5.290.0000.05020.85
5.5.280.0030.08320.89
5.5.270.0030.06320.71
5.5.260.0030.08320.62
5.5.250.0070.08320.71
5.5.240.0100.06320.27
5.5.230.0100.07320.25
5.5.220.0030.04020.27
5.5.210.0000.06720.25
5.5.200.0100.04320.27
5.5.190.0030.07719.96
5.5.180.0030.04020.27
5.5.160.0070.08020.20
5.5.150.0000.08720.21
5.5.140.0030.07720.18
5.5.130.0100.07719.93
5.5.120.0070.04020.07
5.5.110.0070.07319.93
5.5.100.0070.07320.02
5.5.90.0070.07720.09
5.5.80.0000.07720.15
5.5.70.0030.07319.96
5.5.60.0070.03720.02
5.5.50.0070.07020.08
5.5.40.0100.06019.90
5.5.30.0030.08020.08
5.5.20.0100.07020.13
5.5.10.0030.07020.05
5.5.00.0030.08319.99
5.4.450.0070.04019.42
5.4.440.0100.07719.29
5.4.430.0030.08019.55
5.4.420.0100.06719.22
5.4.410.0130.06319.34
5.4.400.0070.07018.92
5.4.390.0130.05319.02
5.4.380.0000.06318.91
5.4.370.0030.03719.03
5.4.360.0030.07719.03
5.4.350.0000.08018.80
5.4.340.0100.07018.96
5.4.320.0000.08018.96
5.4.310.0070.07318.97
5.4.300.0100.05018.89
5.4.290.0100.06718.94
5.4.280.0030.07318.97
5.4.270.0030.03319.20
5.4.260.0070.06719.02
5.4.250.0030.04018.96
5.4.240.0070.06019.04
5.4.230.0070.06019.05
5.4.220.0000.07018.89
5.4.210.0030.07318.78
5.4.200.0070.07719.14
5.4.190.0070.07318.82
5.4.180.0070.07019.14
5.4.170.0100.03719.11
5.4.160.0030.03719.01
5.4.150.0070.04019.09
5.4.140.0070.03316.32
5.4.130.0000.04716.44
5.4.120.0030.04716.43
5.4.110.0070.03716.41
5.4.100.0000.03716.45
5.4.90.0030.03716.28
5.4.80.0070.03716.48
5.4.70.0030.03716.42
5.4.60.0030.03316.25
5.4.50.0000.03716.23
5.4.40.0030.04316.34
5.4.30.0000.03716.34
5.4.20.0030.03316.23
5.4.10.0100.03316.33
5.4.00.0070.03015.80
5.3.290.0070.06014.62
5.3.280.0000.06714.55
5.3.270.0030.08014.46
5.3.260.0070.07014.56
5.3.250.0100.04714.63
5.3.240.0000.03714.56
5.3.230.0100.04014.57
5.3.220.0000.04014.42
5.3.210.0030.03714.55
5.3.200.0000.04014.54
5.3.190.0000.04014.57
5.3.180.0000.07314.49
5.3.170.0030.03714.55
5.3.160.0000.03714.54
5.3.150.0000.03714.52
5.3.140.0070.06714.53
5.3.130.0030.03314.54
5.3.120.0100.03714.52
5.3.110.0030.04014.49
5.3.100.0000.04013.97
5.3.90.0000.05714.01
5.3.80.0000.04013.78
5.3.70.0000.04014.02
5.3.60.0030.03313.99
5.3.50.0070.05313.93
5.3.40.0030.03313.71
5.3.30.0000.03713.81
5.3.20.0030.04313.67
5.3.10.0030.03313.66
5.3.00.0000.03713.49
5.2.170.0030.03010.93
5.2.160.0030.02711.13
5.2.150.0070.02311.07
5.2.140.0000.03011.18
5.2.130.0000.03010.93
5.2.120.0030.03311.06
5.2.110.0000.03011.12
5.2.100.0000.03311.09
5.2.90.0000.03011.02
5.2.80.0030.03011.04
5.2.70.0000.02710.88
5.2.60.0030.02311.08
5.2.50.0030.03310.94
5.2.40.0030.02710.97
5.2.30.0030.02710.83
5.2.20.0030.02711.00
5.2.10.0000.03010.91
5.2.00.0000.03010.78
5.1.60.0070.01310.29
5.1.50.0000.03310.29
5.1.40.0000.02310.29
5.1.30.0000.02310.36
5.1.20.0030.03010.36
5.1.10.0030.02310.29
5.1.00.0000.02310.29
5.0.50.0030.01710.29
5.0.40.0030.02010.29
5.0.30.0030.02710.29
5.0.20.0000.02010.29
5.0.10.0000.02010.29
5.0.00.0000.03010.29
4.4.90.0000.01310.29
4.4.80.0030.01010.29
4.4.70.0000.01710.29
4.4.60.0000.01310.29
4.4.50.0030.01710.29
4.4.40.0000.02310.29
4.4.30.0000.01310.29
4.4.20.0000.01710.29
4.4.10.0000.01710.29
4.4.00.0000.02310.29
4.3.110.0000.01310.29
4.3.100.0000.02310.29
4.3.90.0000.01310.29
4.3.80.0030.02010.29
4.3.70.0000.03710.29
4.3.60.0000.01310.29
4.3.50.0000.02310.29
4.3.40.0070.03710.29
4.3.30.0000.02310.29
4.3.20.0000.02310.29
4.3.10.0000.01310.29
4.3.00.0000.01310.29

preferences:
43.63 ms | 401 KiB | 5 Q