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 >> ($offset - $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)
8.3.60.0120.00916.49
8.3.50.0130.00321.14
8.3.40.0040.01118.71
8.3.30.0030.01019.05
8.3.20.0180.00020.13
8.3.10.0040.00421.89
8.3.00.0000.00917.93
8.2.180.0140.00716.50
8.2.170.0140.00722.96
8.2.160.0070.00720.57
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00021.07
8.2.110.0060.00322.29
8.2.100.0080.00320.41
8.2.90.0030.00619.36
8.2.80.0060.00317.97
8.2.70.0040.00417.75
8.2.60.0000.00818.03
8.2.50.0030.00618.07
8.2.40.0070.00018.16
8.2.30.0030.00918.38
8.2.20.0020.00517.87
8.2.10.0000.00718.13
8.2.00.0030.00517.62
8.1.280.0120.00625.92
8.1.270.0060.00323.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00522.19
8.1.230.0000.01119.16
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0000.00918.64
8.1.160.0040.00421.92
8.1.150.0050.00218.75
8.1.140.0070.00017.39
8.1.130.0070.00017.84
8.1.120.0040.00417.51
8.1.110.0040.00417.45
8.1.100.0000.00717.42
8.1.90.0060.00317.44
8.1.80.0070.00017.34
8.1.70.0040.00417.40
8.1.60.0060.00317.52
8.1.50.0040.00417.54
8.1.40.0030.00517.52
8.1.30.0060.00317.49
8.1.20.0070.00017.65
8.1.10.0040.00417.38
8.1.00.0080.00017.36
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0000.00717.21
8.0.260.0000.00617.30
8.0.250.0070.00016.98
8.0.240.0040.00417.00
8.0.230.0030.00316.91
8.0.220.0000.00716.72
8.0.210.0080.00016.91
8.0.200.0030.00316.94
8.0.190.0050.00317.02
8.0.180.0030.00416.96
8.0.170.0000.00816.97
8.0.160.0000.00816.77
8.0.150.0040.00416.79
8.0.140.0040.00416.86
8.0.130.0030.00313.37
8.0.120.0040.00416.75
8.0.110.0040.00416.82
8.0.100.0020.00516.83
8.0.90.0070.00016.95
8.0.80.0000.01516.95
8.0.70.0040.00416.82
8.0.60.0000.00716.71
8.0.50.0000.00716.89
8.0.30.0070.01117.07
8.0.20.0110.00717.40
8.0.10.0000.00716.80
8.0.00.0110.00716.82
7.4.330.0050.00015.07
7.4.320.0030.00316.46
7.4.300.0000.00616.62
7.4.290.0030.00316.61
7.4.280.0000.00716.44
7.4.270.0030.00316.53
7.4.260.0070.00016.50
7.4.250.0040.00416.55
7.4.240.0050.00216.57
7.4.230.0030.00316.54
7.4.220.0000.01516.67
7.4.210.0120.00316.61
7.4.200.0030.00316.67
7.4.160.0080.00816.63
7.4.150.0070.01017.40
7.4.140.0080.01317.86
7.4.130.0110.00916.38
7.4.120.0090.01016.54
7.4.110.0090.00916.68
7.4.100.0100.00716.67
7.4.90.0090.00916.61
7.4.80.0110.00819.39
7.4.70.0100.00716.41
7.4.60.0110.00816.43
7.4.50.0000.00716.50
7.4.40.0030.01316.34
7.4.30.0030.01316.73
7.4.00.0060.00914.90
7.3.330.0060.00313.18
7.3.320.0060.00013.10
7.3.310.0040.00416.32
7.3.300.0030.00316.31
7.3.290.0000.01316.30
7.3.280.0090.00816.26
7.3.270.0050.01117.40
7.3.260.0070.01116.23
7.3.250.0090.00816.50
7.3.240.0180.00016.42
7.3.230.0110.00716.39
7.3.210.0110.00616.43
7.3.200.0060.00919.39
7.3.190.0110.00616.65
7.3.180.0070.01016.18
7.3.170.0110.00816.27
7.3.160.0040.01116.64
7.3.120.0090.00614.68
7.3.10.0030.01016.63
7.3.00.0090.00616.64
7.2.330.0070.01116.76
7.2.320.0130.00416.77
7.2.310.0130.00316.59
7.2.300.0100.01016.79
7.2.290.0130.00316.87
7.2.130.0110.00416.75
7.2.120.0130.00316.76
7.2.110.0060.01016.75
7.2.100.0040.01216.86
7.2.90.0030.01016.80
7.2.80.0030.01216.77
7.2.70.0030.01316.89
7.2.60.0060.00316.72
7.2.50.0040.00816.96
7.2.40.0070.00716.73
7.2.30.0070.01117.05
7.2.20.0060.00916.72
7.2.10.0060.00916.77
7.2.00.0040.00918.24
7.1.250.0060.00615.88
7.1.100.0070.00717.91
7.1.70.0000.00717.16
7.1.60.0030.02019.25
7.1.50.0070.01516.84
7.1.00.0070.07322.46
7.0.200.0070.00315.11
7.0.140.0030.07322.08
7.0.60.0000.08020.01
7.0.50.0100.03717.89
7.0.40.0100.06020.24
7.0.30.0330.05019.98
7.0.20.0330.04020.18
7.0.10.0100.08720.09
7.0.00.0130.08020.29
5.6.280.0000.07721.06
5.6.210.0130.07720.75
5.6.200.0070.07718.16
5.6.190.0000.05320.48
5.6.180.0400.04020.57
5.6.170.0130.04020.41
5.6.160.0100.08020.37
5.6.150.0100.05718.08
5.6.140.0030.04718.11
5.6.130.0100.07718.17
5.6.120.0030.07321.11
5.6.110.0130.07721.08
5.6.100.0200.07321.00
5.6.90.0100.08020.96
5.6.80.0130.07320.40
5.5.350.0270.07020.37
5.5.340.0070.04018.01
5.5.330.0100.04020.36
5.5.320.0270.05720.41
5.5.310.0200.03720.20
5.5.300.0030.04317.96
5.5.290.0070.06317.88
5.5.280.0000.06320.80
5.5.270.0070.05320.76
5.5.260.0070.04020.64
5.5.250.0070.06020.61
5.5.240.0130.07020.18
5.4.450.0770.06719.63
5.4.440.1070.06019.32
5.4.430.0770.05319.10
5.4.420.0330.05319.32
5.4.410.0100.05319.00
5.4.400.0230.06718.79
5.4.390.0370.05018.77
5.4.380.0200.05318.46
5.4.370.0070.05018.71
5.4.360.0130.04718.63
5.4.350.0040.03611.98
5.4.340.0050.03611.97
5.4.320.0070.04112.46
5.4.310.0050.03912.45
5.4.300.0040.03912.45
5.4.290.0060.03812.45
5.4.280.0090.03212.35
5.4.270.0050.03712.35
5.4.260.0060.03712.35
5.4.250.0080.04212.35
5.4.240.0070.04712.35
5.4.230.0110.03612.34
5.4.220.0050.03712.34
5.4.210.0090.03512.34
5.4.200.0110.03312.34
5.4.190.0070.03612.34
5.4.180.0100.03412.34
5.4.170.0090.04112.35
5.4.160.0090.03512.34
5.4.150.0130.04212.34
5.4.140.0110.03512.03
5.4.130.0070.04012.02
5.4.120.0030.04011.97
5.4.110.0050.03711.96
5.4.100.0070.03411.97
5.4.90.0050.03911.97
5.4.80.0050.03811.97
5.4.70.0040.03711.96
5.4.60.0090.04411.96
5.4.50.0050.04211.96
5.4.40.0050.04011.95
5.4.30.0050.04111.95
5.4.20.0030.04011.95
5.4.10.0080.04311.95
5.4.00.0070.03711.44
5.3.290.0090.03712.80
5.3.280.0110.04812.71
5.3.270.0110.04912.73
5.3.260.0090.03612.72
5.3.250.0060.04112.72
5.3.240.0050.03812.72
5.3.230.0090.03712.71
5.3.220.0090.04512.68
5.3.210.0070.04312.68
5.3.200.0080.03512.68
5.3.190.0070.03612.68
5.3.180.0090.03512.67
5.3.170.0080.04012.67
5.3.160.0090.04012.68
5.3.150.0050.03812.68
5.3.140.0090.03512.66
5.3.130.0050.04112.66
5.3.120.0060.04012.66
5.3.110.0050.03912.65
5.3.100.0090.03412.12
5.3.90.0030.04012.09
5.3.80.0070.03912.07
5.3.70.0100.03712.07
5.3.60.0100.03812.06
5.3.50.0060.05112.00
5.3.40.0080.03512.00
5.3.30.0050.03611.95
5.3.20.0060.03611.73
5.3.10.0060.03411.70
5.3.00.0030.03811.68
5.2.170.0050.0309.18
5.2.160.0070.0329.18
5.2.150.0030.0329.18
5.2.140.0030.0319.17
5.2.130.0030.0309.14
5.2.120.0020.0319.14
5.2.110.0050.0309.14
5.2.100.0070.0299.14
5.2.90.0030.0319.14
5.2.80.0050.0309.14
5.2.70.0040.0319.14
5.2.60.0060.0299.09
5.2.50.0050.0299.05
5.2.40.0040.0299.03
5.2.30.0030.0329.02
5.2.20.0050.0289.00
5.2.10.0040.0288.93
5.2.00.0060.0278.78
5.1.60.0030.0258.07
5.1.50.0020.0278.06
5.1.40.0060.0258.05
5.1.30.0050.0268.40
5.1.20.0060.0278.41
5.1.10.0030.0328.14
5.1.00.0040.0288.14
5.0.50.0030.0226.62
5.0.40.0020.0216.48
5.0.30.0060.0296.29
5.0.20.0080.0156.27
5.0.10.0030.0206.23
5.0.00.0030.0336.23
4.4.90.0020.0164.78
4.4.80.0040.0154.75
4.4.70.0020.0164.76
4.4.60.0050.0134.76
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0000.0184.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0060.0224.76
4.3.110.0020.0174.66
4.3.100.0070.0144.67
4.3.90.0030.0194.64
4.3.80.0050.0224.59
4.3.70.0020.0154.63
4.3.60.0030.0154.63
4.3.50.0030.0164.63
4.3.40.0040.0244.54
4.3.30.0020.0173.29
4.3.20.0010.0183.26
4.3.10.0020.0173.22
4.3.00.0170.0177.21

preferences:
85.23 ms | 400 KiB | 5 Q