3v4l.org

run code in 300+ PHP versions simultaneously
<?php function countDaysByName($dayName, \DateTime $start, \DateTime $end) { $count = 0; $interval = new \DateInterval('P1D'); $period = new \DatePeriod($start, $interval, $end); foreach($period as $day){ if($day->format('D') === ucfirst(substr($dayName, 0, 3))){ $count ++; } } return $count; } echo countDaysByName('wednesday', new \DateTime(2016-01-18), new \DateTime(2016-01-23)); echo var_dump(new \DateTime(2016-18-01));

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)
8.3.60.0180.00016.63
8.3.50.0030.01222.10
8.3.40.0100.00718.92
8.3.30.0060.00918.93
8.3.20.0090.00020.07
8.3.10.0080.00023.48
8.3.00.0030.00523.53
8.2.180.0110.00418.54
8.2.170.0180.00422.96
8.2.160.0060.01122.02
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00020.86
8.2.120.0000.00726.35
8.2.110.0100.00019.16
8.2.100.0040.00718.03
8.2.90.0040.00419.21
8.2.80.0030.00517.97
8.2.70.0060.00318.00
8.2.60.0030.00518.04
8.2.50.0060.00318.09
8.2.40.0080.00022.11
8.2.30.0000.00719.52
8.2.20.0040.00417.93
8.2.10.0040.00418.23
8.2.00.0000.00918.19
8.1.280.0040.01125.92
8.1.270.0100.00322.19
8.1.260.0070.00028.09
8.1.250.0050.00328.09
8.1.240.0070.00323.92
8.1.230.0030.00722.13
8.1.220.0000.00817.89
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0050.00317.47
8.1.180.0000.00818.10
8.1.170.0040.00418.67
8.1.160.0070.00020.83
8.1.150.0000.00818.96
8.1.140.0090.00019.66
8.1.130.0040.00417.83
8.1.120.0000.00717.66
8.1.110.0070.00017.61
8.1.100.0110.00017.59
8.1.90.0000.00717.55
8.1.80.0070.00417.70
8.1.70.0000.00817.56
8.1.60.0000.00717.66
8.1.50.0060.00317.60
8.1.40.0040.00417.60
8.1.30.0080.00017.70
8.1.20.0030.00617.68
8.1.10.0030.00617.73
8.1.00.0000.00817.59
8.0.300.0000.00718.77
8.0.290.0060.00317.00
8.0.280.0070.00018.43
8.0.270.0000.00717.29
8.0.260.0030.00317.24
8.0.250.0070.00017.22
8.0.240.0030.00317.21
8.0.230.0060.00017.11
8.0.220.0070.00017.09
8.0.210.0000.00817.14
8.0.200.0000.00617.25
8.0.190.0040.00417.22
8.0.180.0040.00417.08
8.0.170.0040.00417.09
8.0.160.0000.00717.01
8.0.150.0050.00517.02
8.0.140.0040.00416.99
8.0.130.0000.00613.52
8.0.120.0030.00617.10
8.0.110.0040.00417.11
8.0.100.0050.00217.06
8.0.90.0000.00817.21
8.0.80.0060.01217.07
8.0.70.0040.00417.05
8.0.60.0070.00017.01
8.0.50.0000.00717.22
8.0.30.0090.00817.41
8.0.20.0120.01417.43
8.0.10.0050.00217.21
8.0.00.0110.00917.01
7.4.330.0050.00016.83
7.4.320.0030.00316.55
7.4.300.0030.00316.74
7.4.290.0000.00916.65
7.4.280.0030.00516.75
7.4.270.0000.00616.71
7.4.260.0080.00316.77
7.4.250.0000.00716.75
7.4.240.0000.00716.79
7.4.230.0030.00316.75
7.4.220.0150.00416.71
7.4.210.0090.01116.78
7.4.200.0030.00316.82
7.4.160.0080.00816.69
7.4.150.0080.01217.40
7.4.140.0100.00917.86
7.4.130.0060.01316.72
7.4.120.0070.00916.68
7.4.110.0070.01116.70
7.4.100.0220.00016.80
7.4.90.0090.00916.72
7.4.80.0140.00719.39
7.4.70.0070.01016.50
7.4.60.0040.01616.47
7.4.50.0110.00716.53
7.4.40.0050.01116.70
7.4.30.0090.00916.73
7.4.00.0000.01615.31
7.3.330.0030.00313.30
7.3.320.0000.00813.47
7.3.310.0030.00516.50
7.3.300.0030.00316.46
7.3.290.0000.00716.39
7.3.280.0110.00616.40
7.3.270.0040.01317.40
7.3.260.0100.00616.39
7.3.250.0090.01216.58
7.3.240.0070.01016.63
7.3.230.0180.00716.86
7.3.210.0140.00516.84
7.3.200.0090.00819.39
7.3.190.0080.00816.77
7.3.180.0060.00916.42
7.3.170.0060.01016.45
7.3.160.0070.01016.50
7.2.330.0130.00516.82
7.2.320.0060.01616.71
7.2.310.0080.00816.90
7.2.300.0130.00416.66
7.2.290.0110.00616.54
7.2.60.0070.01016.79
7.2.00.0030.01119.68
7.1.200.0000.01316.06
7.1.100.0030.00618.14
7.1.70.0000.01317.38
7.1.60.0070.01819.40
7.1.50.0120.00016.86
7.1.00.0000.07722.36
7.0.200.0030.00617.05
7.0.60.0100.04321.74
7.0.50.0000.06017.98
7.0.40.0030.06020.09
7.0.30.0330.08020.30
7.0.20.0270.06720.30
7.0.10.0070.04020.19
7.0.00.0030.04320.21
5.6.210.0100.06020.75
5.6.200.0230.06018.16
5.6.190.0030.04720.78
5.6.180.0270.06720.55
5.6.170.0100.05020.52
5.6.160.0200.05720.54
5.6.150.0130.05718.19
5.6.140.0030.04318.29
5.6.130.0030.04018.17
5.6.120.0170.07020.97
5.6.110.0170.07321.13
5.6.100.0000.05721.05
5.6.90.0070.08321.11
5.6.80.0130.07320.36
5.5.350.0170.08020.44
5.5.340.0000.04017.96
5.5.330.0070.05020.40
5.5.320.0500.04720.30
5.5.310.0300.04720.30
5.5.300.0100.04718.05
5.5.290.0070.05318.01
5.5.280.0170.07320.96
5.5.270.0130.07720.94
5.5.260.0070.06720.87
5.5.250.0100.08020.50
5.5.240.0170.05320.16

preferences:
59.41 ms | 401 KiB | 5 Q