3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(get_thirty_days(new \DateTime())); print_r(get_thirty_days(new \DateTime('2017-01-15'), 40)); print_r(array_reverse(get_thirty_days(new \DateTime('2017-01-15'), 10))); function get_thirty_days(\DateTime $date_in, int $days = null) { $days = $days ?? 30; $date_out = $date_in->add(new \DateInterval(sprintf('P%dD', $days))); $dates = []; while ($days) { $dates[] = $date_out ->sub(new \DateInterval('P1D')) ->format('Ymd') ; $days--; } return $dates; }

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)
8.4.130.0130.00818.05
8.4.120.0110.00920.60
8.4.110.0080.01222.54
8.4.100.0130.00617.99
8.4.90.0130.00819.64
8.4.80.0110.01118.27
8.4.70.0090.01118.39
8.4.60.0100.01118.75
8.4.50.0110.01018.50
8.4.40.0130.00719.60
8.4.30.0150.00617.99
8.4.20.0150.00319.93
8.4.10.0070.01019.94
8.3.250.0130.00618.74
8.3.240.0080.00816.54
8.3.230.0110.00916.55
8.3.220.0140.00617.09
8.3.210.0110.00716.54
8.3.200.0040.00416.88
8.3.190.0120.00716.81
8.3.180.0100.01018.65
8.3.170.0100.00920.76
8.3.160.0120.00617.31
8.3.150.0130.00617.34
8.3.140.0000.00820.89
8.3.130.0060.00318.55
8.3.120.0030.00620.60
8.3.110.0030.00616.74
8.3.100.0000.00716.72
8.3.90.0040.00416.75
8.3.80.0100.00318.31
8.3.70.0070.01116.75
8.3.60.0090.00916.50
8.3.50.0050.00719.41
8.3.40.0080.00819.01
8.3.30.0040.01119.10
8.3.20.0040.00421.77
8.3.10.0030.00623.35
8.3.00.0040.00421.74
8.2.290.0110.00820.23
8.2.280.0100.00820.05
8.2.270.0100.01016.88
8.2.260.0040.01218.84
8.2.250.0030.00617.00
8.2.240.0060.00319.08
8.2.230.0040.00420.94
8.2.220.0160.00324.06
8.2.210.0030.01526.77
8.2.200.0000.00918.29
8.2.190.0090.00616.75
8.2.180.0160.00616.63
8.2.170.0100.00619.12
8.2.160.0120.00322.96
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00019.29
8.2.120.0080.00026.35
8.2.110.0080.00322.07
8.2.100.0100.00317.84
8.2.90.0040.00419.22
8.2.80.0000.00819.44
8.2.70.0070.00317.88
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0040.00420.47
8.2.30.0040.00419.32
8.2.20.0050.00218.02
8.2.10.0030.00618.13
8.2.00.0030.00518.39
8.1.330.0060.00416.86
8.1.320.0110.00716.56
8.1.310.0110.00718.40
8.1.300.0130.00318.40
8.1.290.0060.00318.88
8.1.280.0150.00325.92
8.1.270.0090.00023.91
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0000.01320.42
8.1.230.0000.01217.95
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0030.00617.23
8.1.180.0100.00018.10
8.1.170.0030.00518.56
8.1.160.0000.00718.90
8.1.150.0050.00218.82
8.1.140.0000.00719.10
8.1.130.0050.00517.71
8.1.120.0000.00717.54
8.1.110.0040.00417.53
8.1.100.0040.00417.57
8.1.90.0070.00017.60
8.1.80.0040.00417.62
8.1.70.0000.00717.59
8.1.60.0060.00617.61
8.1.50.0030.00517.55
8.1.40.0030.00617.63
8.1.30.0050.00517.79
8.1.20.0080.00017.71
8.1.10.0000.00817.58
8.1.00.0050.00317.68
8.0.300.0040.00418.77
8.0.290.0030.00516.88
8.0.280.0000.00718.41
8.0.270.0030.00317.34
8.0.260.0030.00317.19
8.0.250.0070.00017.15
8.0.240.0080.00017.04
8.0.230.0000.00717.12
8.0.220.0070.00017.09
8.0.210.0040.00417.14
8.0.200.0030.00317.19
8.0.190.0090.00017.18
8.0.180.0030.00617.08
8.0.170.0090.00017.14
8.0.160.0020.00517.06
8.0.150.0000.00816.93
8.0.140.0070.00017.05
8.0.130.0000.00513.49
8.0.120.0040.00417.00
8.0.110.0030.00517.10
8.0.100.0000.00917.05
8.0.90.0000.00716.93
8.0.80.0160.00617.02
8.0.70.0050.00217.09
8.0.60.0080.00017.13
8.0.50.0000.00816.95
8.0.30.0060.01117.23
8.0.20.0100.01117.41
8.0.10.0000.00717.26
8.0.00.0130.00716.69
7.4.330.0000.00615.55
7.4.320.0000.00716.58
7.4.300.0040.00416.58
7.4.290.0030.00316.63
7.4.280.0040.00416.66
7.4.270.0070.00016.60
7.4.260.0000.00716.73
7.4.250.0070.00016.73
7.4.240.0000.00716.66
7.4.230.0000.00716.48
7.4.220.0000.00816.85
7.4.210.0070.00716.62
7.4.200.0000.00816.54
7.4.160.0090.00916.63
7.4.150.0150.00817.40
7.4.140.0060.01417.86
7.4.130.0060.01716.71
7.4.120.0100.01016.62
7.4.110.0210.00016.59
7.4.100.0090.01516.60
7.4.90.0100.00716.54
7.4.80.0090.01419.39
7.4.70.0120.01216.62
7.4.60.0030.01216.57
7.4.50.0070.01316.89
7.4.40.0130.01016.63
7.4.00.0030.01014.77
7.3.330.0030.00313.52
7.3.320.0030.00313.35
7.3.310.0000.00716.47
7.3.300.0050.00316.31
7.3.290.0050.01216.43
7.3.280.0060.00816.40
7.3.270.0060.01617.40
7.3.260.0120.00816.56
7.3.250.0160.00816.61
7.3.240.0080.01216.57
7.3.230.0040.01216.67
7.3.210.0180.00016.75
7.3.200.0170.00016.53
7.3.190.0100.00716.52
7.3.180.0030.01316.43
7.3.170.0120.00616.59
7.3.160.0030.01316.78
7.2.330.0200.00316.85
7.2.320.0090.01516.56
7.2.310.0130.00316.56
7.2.300.0090.00916.66
7.2.290.0160.00016.52
7.2.60.0110.00417.14
7.2.00.0260.01018.03
7.1.200.0000.01316.09
7.1.120.0180.01517.13
7.1.110.0240.00416.39
7.1.100.0160.01016.61
7.1.90.0780.00716.51
7.1.80.0210.01016.43
7.1.70.0170.01315.66
7.1.60.0440.01433.62
7.1.50.0420.00633.33
7.1.40.0290.01632.96
7.1.30.0390.01132.82
7.1.20.0320.01632.86
7.1.10.0270.00714.95
7.1.00.0280.00714.98

preferences:
71.61 ms | 403 KiB | 5 Q