3v4l.org

run code in 300+ PHP versions simultaneously
<?php $midi = array(); $a = 440; for($x = 0; $x < 127; $x++) { $midi[$x] = ($a / 32) * (2 ^ (($x - 9) / 12)); } print_r($midi); ?>

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)
8.3.60.0110.01118.55
8.3.50.0070.01121.99
8.3.40.0070.00718.84
8.3.30.0060.00919.22
8.3.20.0000.00820.29
8.3.10.0030.00522.10
8.3.00.0000.00822.34
8.2.180.0110.00416.63
8.2.170.0120.00322.96
8.2.160.0110.00322.26
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00417.75
8.2.110.0090.00319.25
8.2.100.0090.00317.84
8.2.90.0000.00818.28
8.2.80.0000.00818.16
8.2.70.0000.00817.50
8.2.60.0080.00017.63
8.2.50.0080.00017.63
8.2.40.0060.00318.22
8.2.30.0030.00618.05
8.2.20.0040.00417.60
8.2.10.0030.00519.59
8.2.00.0040.00417.73
8.1.280.0110.00425.92
8.1.270.0000.00822.18
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00722.59
8.1.230.0060.00622.88
8.1.220.0000.00817.77
8.1.210.0030.00618.79
8.1.200.0060.00317.36
8.1.190.0000.00817.36
8.1.180.0000.01018.10
8.1.170.0030.00518.47
8.1.160.0030.00621.95
8.1.150.0000.00818.64
8.1.140.0070.00017.39
8.1.130.0030.00617.71
8.1.120.0030.00617.42
8.1.110.0000.00717.26
8.1.100.0070.00017.41
8.1.90.0020.00517.37
8.1.80.0050.00317.39
8.1.70.0000.00917.39
8.1.60.0000.00817.57
8.1.50.0000.00817.36
8.1.40.0030.00617.48
8.1.30.0040.00417.53
8.1.20.0050.00517.46
8.1.10.0030.00617.59
8.1.00.0040.00417.48
8.0.300.0030.00319.85
8.0.290.0000.00716.75
8.0.280.0030.00518.36
8.0.270.0030.00317.26
8.0.260.0000.00716.81
8.0.250.0000.00816.97
8.0.240.0030.00316.93
8.0.230.0040.00416.84
8.0.220.0030.00516.93
8.0.210.0040.00416.78
8.0.200.0030.00316.87
8.0.190.0000.00716.85
8.0.180.0070.00016.96
8.0.170.0060.00316.93
8.0.160.0070.00016.86
8.0.150.0000.00716.80
8.0.140.0050.00316.68
8.0.130.0050.00013.25
8.0.120.0000.00816.84
8.0.110.0000.00716.72
8.0.100.0040.00416.86
8.0.90.0040.00416.75
8.0.80.0090.00616.80
8.0.70.0040.00416.75
8.0.60.0050.00216.66
8.0.50.0050.00316.81
8.0.30.0110.00717.07
8.0.20.0050.01717.40
8.0.10.0040.00416.79
8.0.00.0100.01116.63
7.4.330.0020.00215.00
7.4.320.0030.00316.36
7.4.300.0000.00616.44
7.4.290.0000.00716.54
7.4.280.0050.00316.59
7.4.270.0030.00316.46
7.4.260.0000.00816.56
7.4.250.0040.00416.57
7.4.240.0050.00216.53
7.4.230.0000.00716.36
7.4.220.0050.01116.37
7.4.210.0060.00816.53
7.4.200.0070.00016.20
7.4.190.0070.00016.41
7.4.160.0110.00416.40
7.4.150.0080.01017.40
7.4.140.0110.01017.86
7.4.130.0050.01416.48
7.4.120.0100.00916.49
7.4.110.0070.01016.43
7.4.100.0120.00616.52
7.4.90.0100.00716.57
7.4.80.0040.01219.39
7.4.70.0060.01016.41
7.4.60.0090.01316.35
7.4.50.0040.00016.37
7.4.40.0060.00622.77
7.4.30.0030.01316.37
7.4.00.0040.01115.24
7.3.330.0000.00513.26
7.3.320.0000.00513.26
7.3.310.0050.00316.38
7.3.300.0030.00316.35
7.3.290.0140.00016.31
7.3.280.0090.00916.37
7.3.270.0070.01717.40
7.3.260.0090.00916.39
7.3.250.0110.00616.33
7.3.240.0080.01516.41
7.3.230.0030.01316.53
7.3.210.0120.00416.27
7.3.200.0110.01119.39
7.3.190.0150.00816.46
7.3.180.0100.00616.68
7.3.170.0080.00816.37
7.3.160.0090.00616.40
7.3.120.0090.00614.66
7.3.110.0000.00814.59
7.3.100.0000.01514.87
7.3.90.0000.01715.14
7.3.80.0030.01014.80
7.3.70.0060.00914.84
7.3.60.0030.00614.88
7.3.50.0030.00615.00
7.3.40.0030.00814.96
7.3.30.0090.00614.79
7.3.20.0070.01116.88
7.3.10.0030.01116.85
7.3.00.0080.00816.59
7.2.330.0080.00816.42
7.2.320.0000.01816.70
7.2.310.0120.01016.24
7.2.300.0100.00716.42
7.2.290.0100.00716.64
7.2.240.0070.00414.96
7.2.230.0000.01015.14
7.2.220.0100.00714.90
7.2.210.0070.00714.98
7.2.200.0060.00614.82
7.2.190.0070.00714.74
7.2.180.0040.01415.04
7.2.170.0090.00614.87
7.2.160.0070.00715.05
7.2.150.0000.01616.77
7.2.140.0070.01016.88
7.2.130.0040.00717.07
7.2.120.0080.00716.77
7.2.110.0090.00916.92
7.2.100.0070.00516.86
7.2.90.0020.01216.87
7.2.80.0090.00716.96
7.2.70.0060.01116.94
7.2.60.0150.00816.68
7.2.50.0040.01417.01
7.2.40.0090.00316.83
7.2.30.0120.00417.02
7.2.20.0030.01116.98
7.2.10.0030.01016.85
7.2.00.0050.01116.95
7.1.330.0030.01315.55
7.1.320.0040.01215.63
7.1.310.0040.00715.88
7.1.300.0100.00315.89
7.1.290.0030.01015.58
7.1.280.0030.01115.52
7.1.270.0000.01415.76
7.1.260.0100.00015.80
7.1.250.0070.00815.94
7.1.200.0080.00415.72
7.1.70.0000.00817.34
7.1.60.0120.01219.82
7.1.50.0070.01417.05
7.1.00.0000.08022.51
7.0.200.0180.00016.67
7.0.140.0000.07322.15
7.0.60.0070.08319.88
7.0.50.0030.04017.94
7.0.40.0000.08320.40
7.0.30.0400.04020.11
7.0.20.0270.07720.16
7.0.10.0230.07320.09
7.0.00.0070.07720.25
5.6.280.0000.08020.98
5.6.210.0100.07320.58
5.6.200.0130.07318.18
5.6.190.0100.04320.42
5.6.180.3770.04720.45
5.6.170.0270.08320.56
5.6.160.0200.04320.52
5.6.150.0070.08318.27
5.6.140.0070.05018.15
5.6.130.0000.05718.24
5.6.120.0130.07020.98
5.6.110.0070.08720.96
5.6.100.0070.07720.88
5.6.90.0030.08321.03
5.6.80.0130.04020.53
5.5.350.0000.04720.39
5.5.340.0100.05718.03
5.5.330.0070.04020.31
5.5.320.0130.04320.30
5.5.310.0300.07320.23
5.5.300.0130.03718.03
5.5.290.0070.08017.95
5.5.280.0070.07320.89
5.5.270.0070.07020.72
5.5.260.0170.07720.76
5.5.250.0170.04720.66
5.5.240.0270.05320.25
5.4.450.0600.06319.32
5.4.440.0370.06319.58
5.4.430.0100.06019.38
5.4.420.0130.05719.55
5.4.410.0200.05019.12
5.4.400.0900.00018.77
5.4.390.0830.00018.85
5.4.380.0270.05718.78
5.4.370.0530.04318.75
5.4.360.0130.05018.61
5.4.350.0330.05718.46
5.4.340.0330.04718.74
5.4.320.0100.05312.50
5.4.310.0100.04012.50
5.4.300.0110.03612.50
5.4.290.0090.03812.50
5.4.280.0090.03712.37
5.4.270.0080.04312.37
5.4.260.0080.04012.37
5.4.250.0110.03612.37
5.4.240.0050.04112.37
5.4.230.0110.03712.36
5.4.220.0050.04012.36
5.4.210.0070.03812.36
5.4.200.0040.04112.36
5.4.190.0090.03812.36
5.4.180.0110.03412.36
5.4.170.0050.04012.37
5.4.160.0070.03812.36
5.4.150.0100.03412.36
5.4.140.0070.04212.04
5.4.130.0160.03712.03
5.4.120.0110.04411.99
5.4.110.0090.04011.98
5.4.100.0050.04311.98
5.4.90.0110.05111.98
5.4.80.0090.04411.98
5.4.70.0080.06111.98
5.4.60.0170.04611.98
5.4.50.0100.05611.98
5.4.40.0110.05311.96
5.4.30.0150.04311.96
5.4.20.0080.04611.97
5.4.10.0110.05111.96
5.4.00.0130.05211.45
5.3.290.0100.03812.80
5.3.280.0080.03912.71
5.3.270.0040.04412.72
5.3.260.0080.05612.72
5.3.250.0170.04812.71
5.3.240.0130.05312.72
5.3.230.0100.05312.71
5.3.220.0110.06212.68
5.3.210.0170.06412.68
5.3.200.0140.06112.68
5.3.190.0170.06812.68
5.3.180.0120.05012.67
5.3.170.0140.06812.66
5.3.160.0400.09812.67
5.3.150.0230.05912.67
5.3.140.0110.05312.66
5.3.130.0180.06812.66
5.3.120.0090.06812.66
5.3.110.0090.05712.66
5.3.100.0140.04312.11
5.3.90.0140.06812.09
5.3.80.0130.05012.08
5.3.70.0100.05212.07
5.3.60.0090.05412.06
5.3.50.0150.04512.00
5.3.40.0160.04612.01
5.3.30.0120.04911.96
5.3.20.0110.04811.75
5.3.10.0110.04911.71
5.3.00.0120.04911.70
5.2.170.0010.0379.20
5.2.160.0060.0369.19
5.2.150.0110.0419.20
5.2.140.0090.0509.19
5.2.130.0110.0489.15
5.2.120.0090.0429.15
5.2.110.0100.0419.16
5.2.100.0130.0309.16
5.2.90.0070.0409.16
5.2.80.0170.0399.16
5.2.70.0080.0349.15
5.2.60.0060.0339.10
5.2.50.0050.0349.07
5.2.40.0070.0349.05
5.2.30.0090.0309.03
5.2.20.0080.0299.01
5.2.10.0080.0398.95
5.2.00.0090.0338.80
5.1.60.0090.0288.09
5.1.50.0070.0348.09
5.1.40.0080.0398.07
5.1.30.0080.0388.42
5.1.20.0050.0398.45
5.1.10.0070.0408.17
5.1.00.0150.0368.17
5.0.50.0130.0356.65
5.0.40.0110.0286.51
5.0.30.0070.0426.32
5.0.20.0100.0296.29
5.0.10.0090.0266.27
5.0.00.0080.0446.26
4.4.90.0070.0234.78
4.4.80.0070.0224.75
4.4.70.0080.0194.75
4.4.60.0130.0204.75
4.4.50.0050.0264.77
4.4.40.0080.0274.71
4.4.30.0050.0164.76
4.4.20.0080.0224.84
4.4.10.0050.0204.85
4.4.00.0060.0304.75
4.3.110.0040.0224.67
4.3.100.0060.0174.67
4.3.90.0030.0184.64
4.3.80.0030.0284.58
4.3.70.0030.0154.63
4.3.60.0130.0274.63
4.3.50.0050.0164.63
4.3.40.0040.0254.54
4.3.30.0130.0273.32
4.3.20.0060.0183.30
4.3.10.0030.0173.25
4.3.00.0070.0276.98

preferences:
47.56 ms | 401 KiB | 5 Q