3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['x', 'y', 'z']; $mask = 5; $count = count($arr); $mask &= pow(2, $count); $offset = $count - 1; $result = []; foreach ($arr as $k => $v) { if ($mask >> ($count - $k)) { $result[] = $v; } } var_dump($result);

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)
8.3.60.0100.01016.88
8.3.50.0150.00521.14
8.3.40.0100.01018.72
8.3.30.0110.00318.88
8.3.20.0000.00820.38
8.3.10.0000.00721.90
8.3.00.0090.00917.91
8.2.180.0110.00716.50
8.2.170.0080.00822.96
8.2.160.0000.01722.18
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0040.00419.36
8.2.110.0060.00322.25
8.2.100.0000.01220.23
8.2.90.0000.00719.26
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0060.00317.93
8.2.50.0050.00518.07
8.2.40.0030.00518.22
8.2.30.0090.00318.27
8.2.20.0050.00317.66
8.2.10.0000.00718.17
8.2.00.0040.00417.65
8.1.280.0060.01225.92
8.1.270.0000.00823.75
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0050.00523.96
8.1.230.0070.00419.09
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.36
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0000.00722.12
8.1.150.0030.00518.85
8.1.140.0050.00317.50
8.1.130.0040.00417.73
8.1.120.0040.00417.41
8.1.110.0030.00517.44
8.1.100.0030.00417.46
8.1.90.0000.01017.48
8.1.80.0070.00017.45
8.1.70.0000.00717.46
8.1.60.0000.00917.64
8.1.50.0030.00517.52
8.1.40.0070.00017.51
8.1.30.0040.00417.67
8.1.20.0030.00517.66
8.1.10.0040.00417.35
8.1.00.0030.00617.43
8.0.300.0040.00418.77
8.0.290.0040.00416.74
8.0.280.0000.00718.49
8.0.270.0070.00017.21
8.0.260.0030.00317.32
8.0.250.0000.00716.97
8.0.240.0080.00016.85
8.0.230.0000.00716.93
8.0.220.0030.00316.81
8.0.210.0050.00316.91
8.0.200.0060.00016.94
8.0.190.0030.00316.86
8.0.180.0000.00716.95
8.0.170.0030.00617.00
8.0.160.0000.00816.88
8.0.150.0030.00516.90
8.0.140.0000.00716.88
8.0.130.0030.00313.36
8.0.120.0040.00416.84
8.0.110.0070.00016.84
8.0.100.0040.00416.75
8.0.90.0040.00416.80
8.0.80.0110.00416.86
8.0.70.0030.00616.93
8.0.60.0070.00016.84
8.0.50.0040.00416.87
8.0.30.0110.00917.09
8.0.20.0120.00617.40
8.0.10.0030.00516.89
8.0.00.0120.00616.67
7.4.330.0000.00515.03
7.4.320.0000.00616.52
7.4.300.0000.00616.51
7.4.290.0000.00716.40
7.4.280.0020.00516.55
7.4.270.0000.00716.52
7.4.260.0030.00516.44
7.4.250.0040.00416.56
7.4.240.0020.00516.53
7.4.230.0040.00416.30
7.4.220.0090.00616.67
7.4.210.0070.00716.44
7.4.200.0030.00316.30
7.4.160.0040.01316.41
7.4.150.0110.00617.40
7.4.140.0100.01217.86
7.4.130.0060.01116.48
7.4.120.0110.00916.56
7.4.110.0130.00616.50
7.4.100.0040.01416.55
7.4.90.0090.00916.47
7.4.80.0150.00919.39
7.4.70.0060.01016.45
7.4.60.0070.01016.41
7.4.50.0030.00316.44
7.4.40.0060.01516.33
7.4.30.0080.00816.57
7.4.00.0090.00615.01
7.3.330.0070.00013.11
7.3.320.0030.00313.19
7.3.310.0000.00716.14
7.3.300.0030.00316.27
7.3.290.0100.00316.32
7.3.280.0110.00716.26
7.3.270.0120.00417.40
7.3.260.0070.01316.28
7.3.250.0110.00716.45
7.3.240.0100.00616.35
7.3.230.0080.00816.39
7.3.210.0060.01016.52
7.3.200.0070.01119.39
7.3.190.0100.00716.45
7.3.180.0060.00916.36
7.3.170.0100.01016.59
7.3.160.0090.00616.29
7.3.120.0060.01014.74
7.2.330.0120.01116.37
7.2.320.0090.00916.74
7.2.310.0030.01316.54
7.2.300.0100.00716.58
7.2.290.0090.00616.48
7.2.00.0000.01419.29
7.1.100.0040.00817.72
7.1.70.0050.00217.23
7.1.60.0160.00619.25
7.1.50.0070.01417.06
7.1.00.0000.08022.45
7.0.200.0100.00314.96
7.0.140.0070.06722.04
7.0.60.0100.04019.94
7.0.50.0000.04717.81
7.0.40.0130.08019.98
7.0.30.0370.07720.09
7.0.20.0430.04720.20
7.0.10.0070.08320.04
7.0.00.0030.08320.18
5.6.280.0030.07321.07
5.6.210.0070.04320.68
5.6.200.0100.08018.22
5.6.190.0030.07320.41
5.6.180.0270.07720.41
5.6.170.0170.04020.41
5.6.160.0100.08720.33
5.6.150.0030.07718.15
5.6.140.0100.07018.11
5.6.130.0000.05318.20
5.6.120.0130.08021.01
5.6.110.0030.09021.04
5.6.100.0130.07021.10
5.6.90.0100.07721.06
5.6.80.0170.07320.39
5.5.350.0330.06720.28
5.5.340.0030.05317.98
5.5.330.0070.08720.44
5.5.320.0170.04720.24
5.5.310.0230.04020.26
5.5.300.0100.06317.97
5.5.290.0070.07718.02
5.5.280.0100.08020.89
5.5.270.0030.05020.97
5.5.260.0100.05320.76
5.5.250.0130.06720.68
5.5.240.0000.03320.15
5.4.450.0700.05719.55
5.4.440.0830.06019.41
5.4.430.0770.06719.58
5.4.420.0400.05319.60
5.4.410.0130.05018.79
5.4.400.0200.06018.84
5.4.390.1630.05718.50
5.4.380.0070.06318.59
5.4.370.0430.06318.68
5.4.360.0300.05018.46
5.4.350.0090.03411.98
5.4.340.0090.04611.97
5.4.320.0090.03912.46
5.4.310.0070.03812.45
5.4.300.0090.03412.46
5.4.290.0050.03912.45
5.4.280.0080.03312.35
5.4.270.0060.03612.35
5.4.260.0030.04012.35
5.4.250.0050.03712.35
5.4.240.0050.03812.35
5.4.230.0050.03912.34
5.4.220.0050.03612.34
5.4.210.0040.03612.34
5.4.200.0070.03712.34
5.4.190.0050.03712.34
5.4.180.0090.03412.34
5.4.170.0020.03912.35
5.4.160.0040.03812.35
5.4.150.0050.03612.34
5.4.140.0050.03812.02
5.4.130.0030.03912.02
5.4.120.0030.03811.97
5.4.110.0070.03411.97
5.4.100.0080.03311.96
5.4.90.0050.03811.97
5.4.80.0060.04011.97
5.4.70.0050.03711.97
5.4.60.0050.03611.96
5.4.50.0090.03211.96
5.4.40.0040.03711.95
5.4.30.0050.03611.95
5.4.20.0100.03411.95
5.4.10.0100.04411.95
5.4.00.0060.04311.44
5.3.290.0050.03912.80
5.3.280.0080.03612.71
5.3.270.0120.03412.73
5.3.260.0060.03812.72
5.3.250.0070.03712.72
5.3.240.0050.03912.72
5.3.230.0060.04012.71
5.3.220.0080.03812.68
5.3.210.0070.03812.68
5.3.200.0040.03912.68
5.3.190.0030.04512.68
5.3.180.0030.03812.67
5.3.170.0060.03612.67
5.3.160.0060.03712.68
5.3.150.0060.03712.67
5.3.140.0080.03512.66
5.3.130.0060.03912.66
5.3.120.0050.04012.66
5.3.110.0070.03812.66
5.3.100.0060.03712.12
5.3.90.0060.03612.08
5.3.80.0070.03412.07
5.3.70.0100.03412.08
5.3.60.0120.04312.06
5.3.50.0080.04212.00
5.3.40.0060.03712.00
5.3.30.0050.03511.95
5.3.20.0050.03611.73
5.3.10.0060.03411.70
5.3.00.0040.03811.68
5.2.170.0050.0309.18
5.2.160.0060.0279.18
5.2.150.0030.0329.18
5.2.140.0050.0319.18
5.2.130.0040.0319.14
5.2.120.0040.0299.14
5.2.110.0060.0299.14
5.2.100.0040.0309.14
5.2.90.0060.0299.14
5.2.80.0060.0289.14
5.2.70.0030.0319.14
5.2.60.0020.0369.09
5.2.50.0040.0319.05
5.2.40.0040.0299.03
5.2.30.0040.0309.01
5.2.20.0040.0299.00
5.2.10.0060.0268.93
5.2.00.0040.0298.78
5.1.60.0060.0258.06
5.1.50.0050.0248.06
5.1.40.0040.0258.05
5.1.30.0030.0288.39
5.1.20.0060.0258.42
5.1.10.0020.0328.14
5.1.00.0030.0288.14
5.0.50.0030.0216.62
5.0.40.0040.0196.48
5.0.30.0040.0316.29
5.0.20.0010.0226.27
5.0.10.0030.0216.24
5.0.00.0040.0316.23
4.4.90.0030.0224.78
4.4.80.0010.0184.75
4.4.70.0060.0154.76
4.4.60.0000.0204.76
4.4.50.0030.0164.77
4.4.40.0040.0264.71
4.4.30.0020.0174.76
4.4.20.0050.0144.85
4.4.10.0030.0164.85
4.4.00.0030.0254.76
4.3.110.0040.0154.67
4.3.100.0030.0154.67
4.3.90.0010.0174.64
4.3.80.0020.0264.58
4.3.70.0020.0164.63
4.3.60.0040.0134.63
4.3.50.0030.0154.63
4.3.40.0040.0244.54
4.3.30.0030.0183.28
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0070.0237.21

preferences:
40.85 ms | 401 KiB | 5 Q