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); $z = $y->setDate($y->format('Y'), $y->format('n'), 15); var_dump($z);

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)
8.3.60.0150.00318.43
8.3.50.0130.00521.22
8.3.40.0070.01118.63
8.3.30.0090.00618.68
8.3.20.0040.00420.34
8.3.10.0040.00423.52
8.3.00.0000.00819.68
8.2.180.0060.00916.88
8.2.170.0160.00622.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0090.00017.75
8.2.110.0100.00019.30
8.2.100.0060.00617.91
8.2.90.0090.00019.22
8.2.80.0080.00017.97
8.2.70.0080.00017.75
8.2.60.0060.00318.04
8.2.50.0040.00418.07
8.2.40.0050.00319.46
8.2.30.0040.00419.94
8.2.20.0000.00817.87
8.2.10.0040.00418.17
8.2.00.0040.00417.99
8.1.280.0070.00725.92
8.1.270.0040.00420.36
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0000.00823.96
8.1.230.0040.00717.64
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.50
8.1.190.0000.00817.48
8.1.180.0040.00418.10
8.1.170.0030.00518.74
8.1.160.0020.00521.88
8.1.150.0070.00018.85
8.1.140.0030.00517.72
8.1.130.0030.00317.76
8.1.120.0030.00317.54
8.1.110.0080.00017.62
8.1.100.0070.00017.59
8.1.90.0050.00517.49
8.1.80.0030.00517.51
8.1.70.0000.00717.68
8.1.60.0040.00417.71
8.1.50.0030.00617.68
8.1.40.0040.00417.69
8.1.30.0040.00417.60
8.1.20.0040.00417.77
8.1.10.0040.00417.69
8.1.00.0040.00417.73
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.56
8.0.270.0000.00717.23
8.0.260.0030.00317.31
8.0.250.0000.00717.13
8.0.240.0080.00017.19
8.0.230.0040.00417.14
8.0.220.0030.00317.08
8.0.210.0000.00716.92
8.0.200.0000.00617.04
8.0.190.0080.00017.02
8.0.180.0040.00717.00
8.0.170.0040.00417.10
8.0.160.0050.00217.18
8.0.150.0050.00316.93
8.0.140.0070.00016.95
8.0.130.0000.00513.35
8.0.120.0030.00516.99
8.0.110.0000.00717.09
8.0.100.0000.00717.09
8.0.90.0040.00416.94
8.0.80.0000.01517.06
8.0.70.0040.00417.11
8.0.60.0060.00317.15
8.0.50.0000.00716.89
8.0.30.0030.01217.32
8.0.20.0090.01017.46
8.0.10.0040.00417.11
8.0.00.0080.01116.81
7.4.330.0050.00015.08
7.4.320.0070.00016.54
7.4.300.0000.00616.61
7.4.290.0020.00516.79
7.4.280.0040.00416.55
7.4.270.0030.00316.74
7.4.260.0000.00816.64
7.4.250.0040.00416.58
7.4.240.0020.00516.61
7.4.230.0040.00416.57
7.4.220.0150.00016.77
7.4.210.0030.01216.67
7.4.200.0040.00416.76
7.4.160.0060.01216.65
7.4.150.0090.00917.40
7.4.140.0120.01117.86
7.4.130.0120.00616.55
7.4.120.0130.00816.67
7.4.110.0130.00616.63
7.4.100.0140.00416.73
7.4.90.0090.00916.65
7.4.80.0090.00919.39
7.4.70.0100.01016.60
7.4.60.0070.01016.50
7.4.50.0050.00016.71
7.4.40.0040.01516.81
7.4.30.0110.01116.64
7.4.00.0060.00914.77
7.3.330.0060.00013.05
7.3.320.0030.00313.23
7.3.310.0030.00316.27
7.3.300.0040.00416.27
7.3.290.0000.00716.30
7.3.280.0080.00816.32
7.3.270.0150.00717.40
7.3.260.0040.01316.77
7.3.240.0100.01316.47
7.3.230.0100.00716.39
7.3.210.0130.00416.50
7.3.200.0100.00716.52
7.3.190.0100.01316.37
7.3.180.0100.00716.54
7.3.170.0090.00816.58
7.3.160.0140.00516.41
7.3.10.0140.00316.64
7.3.00.0140.00616.71
7.2.330.0080.01116.83
7.2.320.0040.01116.75
7.2.310.0090.00916.58
7.2.300.0110.00616.96
7.2.290.0100.01316.44
7.2.130.0150.00616.81
7.2.120.0070.00716.92
7.2.110.0060.00616.87
7.2.100.0140.00316.94
7.2.90.0110.00816.91
7.2.80.0080.01116.86
7.2.70.0070.00717.13
7.2.60.0100.01116.78
7.2.50.0090.00316.73
7.2.40.0120.00416.98
7.2.30.0030.01316.67
7.2.20.0120.00616.94
7.2.10.0060.01116.60
7.2.00.0020.01218.28
7.1.250.0000.01415.76
7.1.200.0000.00815.95
7.1.100.0080.00318.25
7.1.70.0110.00417.44
7.1.60.0070.01719.17
7.1.50.0160.01634.66
7.1.00.0030.07722.51
7.0.200.0050.00816.79
7.0.60.0030.08319.92
7.0.50.0070.08017.67
7.0.40.0070.04020.23
7.0.30.0170.05020.21
7.0.20.0300.05720.09
7.0.10.0100.04020.08
7.0.00.0000.05020.12
5.6.280.0000.04721.07
5.6.210.0070.08020.51
5.6.200.0100.04718.19
5.6.190.0130.06320.63
5.6.180.4030.04320.67
5.6.170.0330.08020.50
5.6.160.0130.08020.37
5.6.150.0100.04718.16
5.6.140.0100.08018.19
5.6.130.0030.06018.11
5.6.120.0070.08321.02
5.6.110.0030.08721.01
5.6.100.0070.08721.11
5.6.90.0130.07320.87
5.6.80.0030.06720.37
5.6.70.3330.03320.52
5.5.350.0070.04720.41
5.5.340.0030.05317.89
5.5.330.0070.07720.36
5.5.320.0300.04720.27
5.5.310.0370.07020.31
5.5.300.0100.07717.89
5.5.290.0030.06017.90
5.5.280.0170.07320.86
5.5.270.0130.04720.95
5.5.260.0130.06320.84
5.5.250.0100.08020.68
5.5.240.0070.08020.26
5.4.450.0700.06019.47
5.4.440.0670.06019.46
5.4.430.0730.05019.62
5.4.420.0830.04019.52
5.4.410.0830.04019.47
5.4.400.0700.05019.32
5.4.390.0600.06319.15
5.4.380.0700.05019.31
5.4.370.0970.04719.13
5.4.360.0930.06719.16
5.4.350.0770.05719.08
5.4.340.0830.04319.13
5.4.320.0600.06319.30
5.4.310.0900.05019.31
5.4.300.0870.05319.27
5.4.290.0870.05319.16
5.4.280.0500.05019.14
5.4.270.0100.05319.19
5.4.260.0200.04019.30
5.4.250.0070.05319.08
5.4.240.0830.04018.82
5.4.230.0970.06019.14
5.4.220.1070.05319.27
5.4.210.0870.05718.79
5.4.200.0830.05719.13
5.4.190.0830.06019.16
5.4.180.0970.05019.29
5.4.170.1000.04319.13
5.4.160.0730.04719.10
5.4.150.0870.05719.25
5.4.140.0970.04316.52
5.4.130.0900.04716.32
5.4.120.0870.05016.21
5.4.110.0930.04716.06
5.4.100.0930.04316.29
5.4.90.1030.03316.61
5.4.80.0930.04016.48
5.4.70.0300.04716.37
5.4.60.0200.03716.37
5.4.50.0030.07716.43
5.4.40.0130.07316.31
5.4.30.0000.06716.28
5.4.20.0170.04016.22

preferences:
61.6 ms | 401 KiB | 5 Q