3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new DateTimeImmutable('2015-07-31'); $y = $x->modify('last day of -1 month'); var_dump($y); var_dump($y->setDate($y->format('Y'), $y->format('n'), 15));

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)
8.3.70.0070.01418.43
8.3.60.0150.00718.20
8.3.50.0130.00722.00
8.3.40.0150.00018.91
8.3.30.0110.00418.81
8.3.20.0070.00020.38
8.3.10.0050.00323.56
8.3.00.0000.00919.43
8.2.190.0100.01016.61
8.2.180.0110.00416.50
8.2.170.0100.00622.96
8.2.160.0110.00420.41
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00017.75
8.2.110.0060.00320.67
8.2.100.0090.00317.60
8.2.90.0000.00818.34
8.2.80.0030.00617.97
8.2.70.0030.00517.75
8.2.60.0050.00317.93
8.2.50.0050.00518.07
8.2.40.0030.00619.51
8.2.30.0050.00319.84
8.2.20.0050.00317.80
8.2.10.0040.00418.05
8.2.00.0040.00417.99
8.1.280.0090.00625.92
8.1.270.0000.01020.33
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00022.18
8.1.230.0040.00820.88
8.1.220.0040.00417.74
8.1.210.0060.00618.77
8.1.200.0030.00617.60
8.1.190.0000.00917.38
8.1.180.0080.00018.10
8.1.170.0030.00518.78
8.1.160.0000.00721.93
8.1.150.0080.00018.95
8.1.140.0050.00317.54
8.1.130.0000.00717.76
8.1.120.0070.00017.59
8.1.110.0030.00617.63
8.1.100.0040.00417.66
8.1.90.0080.00317.72
8.1.80.0000.00717.59
8.1.70.0040.00417.51
8.1.60.0040.00417.66
8.1.50.0040.00417.66
8.1.40.0000.00817.68
8.1.30.0000.00917.63
8.1.20.0040.00417.62
8.1.10.0040.00417.74
8.1.00.0000.00717.68
8.0.300.0040.00420.09
8.0.290.0000.00716.88
8.0.280.0000.00718.56
8.0.270.0000.00817.32
8.0.260.0030.00317.23
8.0.250.0040.00417.14
8.0.240.0000.00817.20
8.0.230.0040.00417.19
8.0.220.0000.00917.10
8.0.210.0000.00717.06
8.0.200.0070.00017.19
8.0.190.0000.00817.02
8.0.180.0040.00417.07
8.0.170.0080.00017.13
8.0.160.0040.00417.14
8.0.150.0040.00417.08
8.0.140.0040.00416.92
8.0.130.0030.00313.43
8.0.120.0040.00417.06
8.0.110.0000.00717.15
8.0.100.0000.00716.99
8.0.90.0050.00216.94
8.0.80.0040.01217.13
8.0.70.0000.00816.94
8.0.60.0030.00616.89
8.0.50.0040.00416.98
8.0.30.0140.00817.29
8.0.20.0120.00717.40
8.0.10.0040.00417.27
8.0.00.0100.00916.89
7.4.330.0050.00015.21
7.4.320.0000.00716.55
7.4.300.0030.00316.64
7.4.290.0030.00316.57
7.4.280.0040.00416.52
7.4.270.0000.00816.72
7.4.260.0030.00316.60
7.4.250.0060.00316.51
7.4.240.0040.00416.66
7.4.230.0070.00016.71
7.4.220.0000.01516.49
7.4.210.0020.01316.64
7.4.200.0000.00716.63
7.4.160.0130.00316.71
7.4.150.0110.00717.40
7.4.140.0120.00717.86
7.4.130.0200.00316.59
7.4.120.0110.00616.56
7.4.110.0130.00616.76
7.4.100.0120.00916.79
7.4.90.0140.00416.65
7.4.80.0120.00619.39
7.4.70.0050.01316.59
7.4.60.0120.00316.73
7.4.50.0050.00316.75
7.4.40.0030.02116.78
7.4.30.0120.00616.61
7.4.00.0110.00415.27
7.3.330.0000.00513.30
7.3.320.0060.00013.16
7.3.310.0030.00316.42
7.3.300.0030.00316.30
7.3.290.0000.00716.34
7.3.280.0060.01116.36
7.3.270.0090.01117.40
7.3.260.0190.00016.37
7.3.240.0130.01016.58
7.3.230.0030.01516.49
7.3.210.0030.01316.51
7.3.200.0060.01116.74
7.3.190.0080.02116.39
7.3.180.0070.01016.40
7.3.170.0090.00916.49
7.3.160.0030.01416.42
7.2.330.0100.00716.71
7.2.320.0160.00016.86
7.2.310.0160.00016.65
7.2.300.0090.00916.79
7.2.290.0050.01417.00
7.2.60.0060.01016.95
7.2.00.0030.00619.36
7.1.200.0000.01215.98
7.1.100.0070.00718.35
7.1.70.0040.00417.32
7.1.60.0140.01019.17
7.1.50.0090.01217.09
7.1.00.0070.07322.48
7.0.200.0070.00716.71
7.0.60.0100.08019.96
7.0.50.0100.07717.72
7.0.40.0100.08320.19
7.0.30.0400.04320.17
7.0.20.0300.06720.04
7.0.10.0030.08320.13
7.0.00.0100.03720.00
5.6.280.0030.03720.89
5.6.210.0030.05320.54
5.6.200.0070.04018.21
5.6.190.0000.05020.64
5.6.180.3600.05020.56
5.6.170.0300.07720.38
5.6.160.0030.06020.38
5.6.150.0000.06318.09
5.6.140.0100.07718.20
5.6.130.0130.06718.16
5.6.120.0100.08020.98
5.6.110.0200.07320.98
5.6.100.0100.07320.98
5.6.90.0030.08320.96
5.6.80.0100.06720.53
5.6.70.4200.04720.43
5.5.350.0130.07320.40
5.5.340.0130.07317.99
5.5.330.0070.04320.21
5.5.320.0270.04320.20
5.5.310.0330.07020.17
5.5.300.0130.07717.96
5.5.290.0030.04017.91
5.5.280.0030.08320.88
5.5.270.0100.08020.86
5.5.260.0200.06020.72
5.5.250.0230.06720.49
5.5.240.0200.03720.07
5.4.450.0900.05319.54
5.4.440.0930.05319.49
5.4.430.0970.05319.51
5.4.420.0900.05019.63
5.4.410.0930.05019.36
5.4.400.0770.05019.16
5.4.390.0700.05318.82
5.4.380.0700.05319.30
5.4.370.0630.06019.00
5.4.360.0730.05019.14
5.4.350.0730.05019.16
5.4.340.0730.05319.14
5.4.320.0830.04318.95
5.4.310.0730.05019.13
5.4.300.0700.05319.25
5.4.290.0870.05719.15
5.4.280.0830.06019.30
5.4.270.0900.05719.22
5.4.260.0630.05319.30
5.4.250.0830.06019.32
5.4.240.0800.06019.21
5.4.230.0900.06019.21
5.4.220.1000.05018.77
5.4.210.0770.04719.14
5.4.200.0670.05318.99
5.4.190.0870.03718.91
5.4.180.0770.05019.27
5.4.170.0700.05319.21
5.4.160.0630.05719.23
5.4.150.0700.05319.17
5.4.140.0730.04716.47
5.4.130.0800.05316.28
5.4.120.0900.04716.50
5.4.110.0630.05716.46
5.4.100.0730.04316.54
5.4.90.0800.05716.56
5.4.80.0900.04716.22
5.4.70.0100.05716.05
5.4.60.0330.06016.29
5.4.50.0030.07316.04
5.4.40.0200.05316.46
5.4.30.0070.06316.20
5.4.20.0170.03716.38

preferences:
46.7 ms | 401 KiB | 5 Q