3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(-2, 2); $b = range(-2, 2, 0.5); $opResults = []; $funcResults = []; foreach($a as $_a) { foreach($b as $_b) { $opResults[] = $_a ** $_b; $funcResults[] = pow($_a, $_b); } } var_dump($opResults === $funcResults, $opResults, $funcResults);

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)
8.3.60.0160.00616.88
8.3.50.0100.00623.12
8.3.40.0040.01119.17
8.3.30.0060.00919.28
8.3.20.0050.00320.66
8.3.10.0030.00620.76
8.3.00.0060.00319.63
8.2.180.0130.00316.63
8.2.170.0120.00422.96
8.2.160.0150.00020.54
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0060.00926.16
8.2.120.0000.00821.16
8.2.110.0130.00322.52
8.2.100.0060.00618.47
8.2.90.0060.00619.30
8.2.80.0080.00318.00
8.2.70.0080.00017.63
8.2.60.0030.00618.05
8.2.50.0030.00918.07
8.2.40.0030.00520.14
8.2.30.0040.00419.60
8.2.20.0040.00418.09
8.2.10.0020.00518.46
8.2.00.0040.00418.07
8.1.280.0120.00625.92
8.1.270.0060.00324.22
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00522.13
8.1.230.0060.00619.39
8.1.220.0080.00018.04
8.1.210.0030.00618.77
8.1.200.0060.00817.34
8.1.190.0000.00817.60
8.1.180.0000.00818.10
8.1.170.0000.01018.77
8.1.160.0020.00522.24
8.1.150.0050.00519.04
8.1.140.0040.00417.79
8.1.130.0000.00718.07
8.1.120.0000.00717.67
8.1.110.0050.00317.74
8.1.100.0000.00817.60
8.1.90.0070.00017.59
8.1.80.0000.00817.64
8.1.70.0030.00317.63
8.1.60.0060.00317.68
8.1.50.0000.00817.68
8.1.40.0000.00817.64
8.1.30.0000.00817.91
8.1.20.0040.00417.82
8.1.10.0030.00517.65
8.1.00.0050.00317.70
8.0.300.0000.00718.77
8.0.290.0040.00417.00
8.0.280.0030.00618.73
8.0.270.0040.00417.47
8.0.260.0030.00317.53
8.0.250.0040.00417.19
8.0.240.0030.00317.14
8.0.230.0000.00717.25
8.0.220.0080.00017.14
8.0.210.0030.00317.03
8.0.200.0040.00417.20
8.0.190.0040.00417.28
8.0.180.0040.00417.00
8.0.170.0000.00717.21
8.0.160.0050.00217.16
8.0.150.0040.00417.16
8.0.140.0040.00417.16
8.0.130.0000.00613.50
8.0.120.0030.00617.13
8.0.110.0000.00717.05
8.0.100.0070.00017.14
8.0.90.0000.00817.18
8.0.80.0060.01217.02
8.0.70.0040.00417.16
8.0.60.0070.00017.20
8.0.50.0000.00717.16
8.0.30.0150.00717.16
8.0.20.0160.00517.57
8.0.10.0040.00417.33
8.0.00.0100.01416.92
7.4.330.0030.00315.42
7.4.320.0030.00316.76
7.4.300.0040.00416.93
7.4.290.0000.00616.93
7.4.280.0040.00416.80
7.4.270.0000.00716.85
7.4.260.0000.00716.70
7.4.250.0070.00016.71
7.4.240.0020.00516.84
7.4.230.0000.00716.57
7.4.220.0110.01116.87
7.4.210.0060.00916.86
7.4.200.0070.00016.96
7.4.160.0150.00416.57
7.4.150.0120.01017.40
7.4.140.0150.00617.86
7.4.130.0070.01316.82
7.4.120.0090.01616.80
7.4.110.0140.01016.77
7.4.100.0040.01416.60
7.4.90.0050.01416.88
7.4.80.0070.01119.39
7.4.70.0090.00916.67
7.4.60.0150.00917.00
7.4.50.0040.00416.85
7.4.40.0110.01016.67
7.4.30.0140.00316.85
7.4.00.0040.01115.12
7.3.330.0050.00013.40
7.3.320.0030.00313.39
7.3.310.0040.00416.63
7.3.300.0070.00016.55
7.3.290.0000.01616.55
7.3.280.0090.00816.66
7.3.270.0100.01017.40
7.3.260.0090.01316.70
7.3.250.0120.00716.71
7.3.240.0130.01316.60
7.3.230.0060.01116.78
7.3.210.0180.00016.92
7.3.200.0070.01219.39
7.3.190.0100.00716.67
7.3.180.0110.01016.74
7.3.170.0090.01216.86
7.3.160.0080.01516.74
7.2.330.0150.00416.76
7.2.320.0140.01016.95
7.2.310.0090.01216.71
7.2.300.0120.00716.61
7.2.290.0190.00516.72
7.2.60.0090.00317.16
7.2.00.0050.00919.65
7.1.200.0100.00315.81
7.1.100.0030.00718.54
7.1.70.0030.00717.46
7.1.60.0100.01419.46
7.1.50.0150.00917.15
7.1.00.0100.07022.82
7.0.200.0050.00516.73
7.0.140.0030.07722.20
7.0.60.0030.04020.13
7.0.50.0200.07018.16
7.0.40.0070.05720.45
7.0.30.0300.04720.19
7.0.20.0230.05020.28
7.0.10.0070.04320.18
7.0.00.0030.09320.31
5.6.280.0000.07721.35
5.6.210.0070.07720.91
5.6.200.0030.04018.33
5.6.190.0030.04320.66
5.6.180.0570.05320.82
5.6.170.0300.04020.58
5.6.160.0200.03020.65
5.6.150.0070.07018.31
5.6.140.0030.04018.30
5.6.130.0030.08718.36
5.6.120.0200.06721.08
5.6.110.0070.04021.34
5.6.100.0200.07021.32
5.6.90.0100.08021.18
5.6.80.0070.05320.57
5.5.350.0170.07020.46
5.5.340.0000.04317.98
5.5.330.0000.04720.19
5.5.320.0270.04020.29
5.5.310.0430.07020.26
5.5.300.0200.04717.91
5.5.290.0100.08017.96
5.5.280.0030.07020.87
5.5.270.0200.07320.63
5.5.260.0130.07020.81
5.5.250.0270.03720.68
5.5.240.0170.06320.35
5.4.450.0300.04319.30
5.4.440.0300.05019.55
5.4.430.0500.04719.54
5.4.420.0130.04019.56
5.4.410.0300.04319.42
5.4.400.0230.04019.32
5.4.390.0270.04319.32
5.4.380.0570.05718.78
5.4.370.0170.06318.77
5.4.360.0400.04318.61
5.4.350.0300.06318.73
5.4.340.0400.05018.48
5.4.320.0090.03912.50
5.4.310.0070.04112.50
5.4.300.0100.03812.50
5.4.290.0050.03912.50
5.4.280.0130.04112.39
5.4.270.0040.04612.39
5.4.260.0080.04512.39
5.4.250.0080.03912.39
5.4.240.0020.03912.39
5.4.230.0030.04012.39
5.4.220.0090.03212.38
5.4.210.0030.03812.39
5.4.200.0110.03912.38
5.4.190.0070.04112.38
5.4.180.0110.03912.38
5.4.170.0110.04212.39
5.4.160.0090.04012.38
5.4.150.0060.03712.38
5.4.140.0060.03812.07
5.4.130.0070.04612.05
5.4.120.0060.05012.02
5.4.110.0070.03712.02
5.4.100.0090.03912.02
5.4.90.0130.04212.01
5.4.80.0040.05112.02
5.4.70.0110.03612.01
5.4.60.0100.04212.01
5.4.50.0070.04112.01
5.4.40.0100.03612.00
5.4.30.0100.04012.00
5.4.20.0090.03211.99
5.4.10.0070.03312.00
5.4.00.0020.04011.49
5.3.290.0100.03512.80
5.3.280.0020.04212.71
5.3.270.0090.04512.73
5.3.260.0100.05112.71
5.3.250.0120.04512.72
5.3.240.0110.04512.72
5.3.230.0110.04612.71
5.3.220.0080.04812.68
5.3.210.0100.05412.68
5.3.200.0090.04812.68
5.3.190.0080.04312.68
5.3.180.0070.04612.67
5.3.170.0100.04112.66
5.3.160.0080.03912.67
5.3.150.0040.05212.67
5.3.140.0090.03712.66
5.3.130.0080.04912.66
5.3.120.0090.04612.66
5.3.110.0120.04512.66
5.3.100.0110.04212.12
5.3.90.0110.04412.08
5.3.80.0030.03912.08
5.3.70.0050.03712.07
5.3.60.0060.03812.07
5.3.50.0080.03612.00
5.3.40.0080.03812.00
5.3.30.0060.03611.95
5.3.20.0070.03411.73
5.3.10.0090.04611.70
5.3.00.0090.04411.69
5.2.170.0040.0349.19
5.2.160.0060.0309.18
5.2.150.0060.0289.18
5.2.140.0050.0379.18
5.2.130.0100.0329.14
5.2.120.0090.0269.14
5.2.110.0090.0269.14
5.2.100.0090.0309.14
5.2.90.0070.0319.14
5.2.80.0090.0429.14
5.2.70.0060.0429.14
5.2.60.0070.0289.09
5.2.50.0040.0319.06
5.2.40.0090.0349.04
5.2.30.0030.0319.02
5.2.20.0040.0309.01
5.2.10.0060.0278.92
5.2.00.0070.0278.78
5.1.60.0040.0258.07
5.1.50.0050.0248.06
5.1.40.0080.0278.05
5.1.30.0040.0278.40
5.1.20.0070.0368.42
5.1.10.0100.0278.15
5.1.00.0070.0328.14
5.0.50.0050.0266.62
5.0.40.0030.0326.48
5.0.30.0070.0386.30
5.0.20.0050.0286.29
5.0.10.0050.0236.27
5.0.00.0050.0356.25
4.4.90.0030.0174.78
4.4.80.0040.0194.75
4.4.70.0060.0204.75
4.4.60.0030.0154.75
4.4.50.0040.0274.77
4.4.40.0020.0264.71
4.4.30.0040.0154.76
4.4.20.0070.0154.85
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0040.0134.67
4.3.90.0050.0124.63
4.3.80.0040.0264.58
4.3.70.0030.0164.63
4.3.60.0040.0134.63
4.3.50.0030.0184.63
4.3.40.0030.0254.54
4.3.30.0010.0173.31
4.3.20.0040.0163.29
4.3.10.0010.0223.25
4.3.00.0000.02014.93

preferences:
41.59 ms | 400 KiB | 5 Q