3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nextMonth($date, $increment) { $firstOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date)->modify('first day of this month'); $thirtyFirstOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date)->modify('last day of this month'); $thirtyFirstOfDateMonth = $thirtyFirstOfDateMonth->format('d'); $thirtyFirstOfNextMonth = clone $firstOfDateMonth; $thirtyFirstOfNextMonth->modify('+' . (int) $increment . ' month')->modify('last day of this month'); $thirtyFirstOfNextMonth = $thirtyFirstOfNextMonth->format('d'); $dayOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date); $dayOfDateMonth = $dayOfDateMonth->format('d'); $dt = \DateTime::createFromFormat('Y-m-d', $date); $dt->modify('+' . (int) $increment . ' month'); if ($thirtyFirstOfNextMonth < $thirtyFirstOfDateMonth && $thirtyFirstOfNextMonth < $dayOfDateMonth) { $dt = clone $firstOfDateMonth; $dt->modify('+' . (int) $increment . ' month +' . $thirtyFirstOfNextMonth); } return $dt->format('Y-m-d'); } echo nextMonth('2009-12-31', 2),"\n"; echo nextMonth('2010-01-31', 1),"\n"; echo nextMonth('2010-01-05', 1),"\n"; echo nextMonth('2010-12-05', 1),"\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)
8.3.60.0060.00918.40
8.3.50.0090.01217.38
8.3.40.0140.00018.84
8.3.30.0110.00418.86
8.3.20.0040.00418.81
8.3.10.0080.00020.79
8.3.00.0060.00317.50
8.2.180.0180.00416.75
8.2.170.0160.00322.96
8.2.160.0100.00320.47
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00820.02
8.2.110.0000.01021.03
8.2.100.0070.00417.97
8.2.90.0030.00719.36
8.2.80.0000.00918.05
8.2.70.0000.00817.73
8.2.60.0080.00018.04
8.2.50.0000.00818.07
8.2.40.0040.00418.40
8.2.30.0000.00718.19
8.2.20.0030.00517.98
8.2.10.0080.00017.94
8.2.00.0060.00317.90
8.1.280.0070.01025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.59
8.1.230.0090.00320.94
8.1.220.0040.00417.74
8.1.210.0030.00518.97
8.1.200.0040.00417.38
8.1.190.0080.00017.54
8.1.180.0000.00918.10
8.1.170.0060.00318.89
8.1.160.0040.00418.99
8.1.150.0080.00019.01
8.1.140.0000.01017.60
8.1.130.0030.00317.97
8.1.120.0070.00017.77
8.1.110.0040.00417.71
8.1.100.0040.00417.76
8.1.90.0050.00317.75
8.1.80.0000.00717.74
8.1.70.0030.00317.68
8.1.60.0080.00017.81
8.1.50.0050.00217.69
8.1.40.0000.00817.71
8.1.30.0000.00717.74
8.1.20.0000.00817.70
8.1.10.0050.00217.74
8.1.00.0040.00417.71
8.0.300.0040.00419.87
8.0.290.0050.00216.88
8.0.280.0040.00418.66
8.0.270.0030.00717.40
8.0.260.0030.00317.10
8.0.250.0030.00517.22
8.0.240.0000.00917.21
8.0.230.0000.00717.11
8.0.220.0040.00417.18
8.0.210.0000.00817.05
8.0.200.0000.01017.20
8.0.190.0030.00617.20
8.0.180.0070.00017.16
8.0.170.0030.00517.07
8.0.160.0000.00717.24
8.0.150.0060.00316.99
8.0.140.0050.00317.16
8.0.130.0060.00013.54
8.0.120.0030.00517.09
8.0.110.0000.00717.23
8.0.100.0040.00417.01
8.0.90.0000.00717.20
8.0.80.0060.00917.17
8.0.70.0040.00417.16
8.0.60.0040.00417.02
8.0.50.0030.00517.10
8.0.30.0120.00817.51
8.0.20.0120.00717.38
8.0.10.0040.00417.34
8.0.00.0080.01216.84
7.4.330.0060.00014.84
7.4.320.0060.00016.78
7.4.300.0070.00016.90
7.4.290.0070.00016.79
7.4.280.0070.00316.81
7.4.270.0040.00316.83
7.4.260.0040.00413.42
7.4.250.0080.00016.84
7.4.240.0080.00016.77
7.4.230.0000.00716.82
7.4.220.0030.01316.79
7.4.210.0070.01016.75
7.4.200.0000.00716.91
7.4.190.0000.00716.62
7.4.160.0100.00616.78
7.4.150.0110.00717.07
7.4.140.0120.00517.24
7.4.130.0110.00916.64
7.4.120.0110.00816.76
7.4.110.0100.01016.67
7.4.100.0110.00816.76
7.4.90.0160.00916.63
7.4.80.0070.01118.80
7.4.70.0000.01716.70
7.4.60.0140.00716.78
7.4.50.0050.00516.86
7.4.40.0030.01221.94
7.4.30.0160.00016.90
7.4.00.0060.00914.86
7.3.330.0040.00313.34
7.3.320.0050.00313.52
7.3.310.0060.00316.50
7.3.300.0040.00416.45
7.3.290.0060.00916.53
7.3.280.0080.01216.52
7.3.270.0160.00317.07
7.3.260.0150.00818.24
7.3.250.0130.00816.71
7.3.240.0090.00616.57
7.3.230.0090.01016.41
7.3.210.0040.01416.64
7.3.200.0060.01719.39
7.3.190.0060.01316.69
7.3.180.0100.00616.82
7.3.170.0040.01216.82
7.3.160.0090.00616.59
7.3.120.0090.00615.20
7.2.330.0110.00717.05
7.2.320.0110.01216.90
7.2.310.0130.01016.95
7.2.300.0080.01117.08
7.2.290.0120.00617.07
7.2.60.0000.01517.22
7.2.00.0060.00919.76
7.1.200.0070.00415.96
7.1.100.0110.00018.38
7.1.70.0000.00917.35
7.1.60.0230.00319.40
7.1.50.0090.00917.31
7.1.00.0000.07722.44
7.0.200.0000.00816.69
7.0.140.0070.07022.07
7.0.120.0030.03022.05
7.0.60.0000.05019.93
7.0.50.0030.04017.86
7.0.40.0100.06720.23
7.0.30.0430.04720.16
7.0.20.0230.04020.30
7.0.10.0300.04020.08
7.0.00.0030.08720.19
5.6.280.0100.06721.09
5.6.210.0130.07320.49
5.6.200.0000.08718.27
5.6.190.0100.08320.61
5.6.180.0330.07720.46
5.6.170.0270.08720.44
5.6.160.0030.05020.50
5.6.150.0100.07718.18
5.6.140.0100.07718.28
5.6.130.0070.08018.19
5.6.120.0030.06721.03
5.6.110.0030.08321.01
5.6.100.0030.08721.00
5.6.90.0070.08721.14
5.6.80.0070.08020.39
5.6.70.2930.03320.29
5.5.350.0470.06020.39
5.5.340.0070.03717.99
5.5.330.0000.04320.29
5.5.320.0230.05020.41
5.5.310.0370.07020.34
5.5.300.0000.04017.94
5.5.290.0170.06317.97
5.5.280.0070.05320.70
5.5.270.0170.07720.78
5.5.260.0030.08720.96
5.5.250.0070.06320.60
5.5.240.0130.07320.06
5.4.450.1770.04019.48
5.4.440.1170.03319.55
5.4.430.0800.04019.47
5.4.420.1970.04319.54
5.4.410.2670.03719.26
5.4.400.3800.03718.94
5.4.390.4730.03719.26
5.4.380.4730.04019.10
5.4.370.4430.04018.93
5.4.360.4330.03719.15
5.4.350.3730.03718.96
5.4.340.3670.03719.06
5.4.320.4100.05018.98
5.4.310.4230.03319.19
5.4.300.4700.03719.22
5.4.290.4130.03019.19
5.4.280.4700.03718.97
5.4.270.2730.03719.10
5.4.260.3330.03719.04
5.4.250.3800.04019.12
5.4.240.4200.04318.93
5.4.230.4100.04019.20
5.4.220.3670.04018.98
5.4.210.3570.03718.93
5.4.200.4730.03319.12
5.4.190.4330.04019.25
5.4.180.3600.04019.14
5.4.170.4270.03319.03
5.4.160.4030.03719.18
5.4.150.4130.04318.93
5.4.140.4330.04316.54
5.4.130.4770.03316.54
5.4.120.3870.03316.50
5.4.110.4470.03316.50
5.4.100.4200.02716.49
5.4.90.4030.03716.41
5.4.80.4500.03016.48
5.4.70.4700.03716.26
5.4.60.4200.03716.47
5.4.50.3600.04016.61
5.4.40.4030.02316.30
5.4.30.3900.04016.28
5.4.20.4600.03016.42
5.4.10.4230.03316.32
5.4.00.4530.03315.89
5.3.290.3730.04314.69
5.3.280.3730.04314.53
5.3.270.3970.03314.63
5.3.260.4070.03314.78
5.3.250.3930.03714.51
5.3.240.3570.04014.64
5.3.230.4400.03314.64
5.3.220.5000.03314.63
5.3.210.4100.04314.63
5.3.200.3970.03714.66
5.3.190.4130.03714.58
5.3.180.4030.03314.58
5.3.170.3930.03014.64
5.3.160.3470.03714.61
5.3.150.3730.04014.59
5.3.140.3830.03714.60
5.3.130.4700.04014.61
5.3.120.4800.04014.61
5.3.110.4270.03314.61
5.3.100.3770.03314.08
5.3.90.4570.03313.92
5.3.80.3500.03714.09
5.3.70.4300.03013.98
5.3.60.3300.04714.05
5.3.50.2600.03013.91
5.3.40.1800.04013.91
5.3.30.2830.03713.95
5.3.20.0470.02713.66
5.3.10.0030.03313.83
5.3.00.2830.03713.71
5.2.170.1370.03011.11
5.2.160.2300.02311.20
5.2.150.1970.03011.32
5.2.140.1730.02711.21
5.2.130.0070.02711.12
5.2.120.0030.03011.08
5.2.110.1270.03011.15
5.2.100.1330.02711.11
5.2.90.2800.03011.00
5.2.80.2030.03311.17
5.2.70.2530.02311.12
5.2.60.2730.02711.05
5.2.50.2670.03710.95
5.2.40.2270.02011.07
5.2.30.2470.03010.94
5.2.20.2170.02711.04
5.2.10.3030.03010.92
5.2.00.3230.03710.73
5.1.60.3130.02010.07
5.1.50.2930.01710.05
5.1.40.2870.0279.96
5.1.30.2970.02710.28
5.1.20.3170.02310.44
5.1.10.3270.02310.00
5.1.00.0030.02710.09
5.0.50.0070.0438.61
5.0.40.0100.0378.33
5.0.30.0130.0638.40
5.0.20.0070.0308.24
5.0.10.1800.0208.29
5.0.00.1930.0278.18
4.4.90.0800.0137.18
4.4.80.1330.0107.18
4.4.70.1030.0107.18
4.4.60.1470.0177.18
4.4.50.1670.0237.18
4.4.40.1830.0277.18
4.4.30.1800.0137.18
4.4.20.1900.0177.18
4.4.10.0030.0137.18
4.4.00.0030.0507.18
4.3.110.0200.0237.18
4.3.100.0070.0277.18
4.3.90.1030.0207.18
4.3.80.1930.0207.18
4.3.70.1900.0177.18
4.3.60.1730.0137.18
4.3.50.1970.0137.18
4.3.40.1900.0207.18
4.3.30.0930.0137.18
4.3.20.0830.0177.18
4.3.10.0900.0177.18
4.3.00.1130.0207.18

preferences:
39.54 ms | 401 KiB | 5 Q