3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(-10, 10); $b = range(-10, 10, 0.5); $opResults = []; $funcResults = []; foreach($a as $_a) { foreach($b as $_b) { $opResults[] = $_a ** $_b; $funcResults[] = pow($_a, $_b); } } var_dump($opResults === $funcResults, array_diff($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)
8.3.60.0100.01319.05
8.3.50.0110.01022.96
8.3.40.0060.00919.38
8.3.30.0040.01119.59
8.3.20.0040.00420.93
8.3.10.0060.00621.04
8.3.00.0040.00419.59
8.2.180.0180.00416.75
8.2.170.0130.00322.96
8.2.160.0150.00020.93
8.2.150.0000.00924.18
8.2.140.0050.00324.66
8.2.130.0060.01326.16
8.2.120.0080.00021.32
8.2.110.0030.00620.80
8.2.100.0080.00418.47
8.2.90.0030.00619.60
8.2.80.0060.00317.97
8.2.70.0060.00317.75
8.2.60.0080.00018.18
8.2.50.0000.01118.07
8.2.40.0030.00618.72
8.2.30.0040.00419.95
8.2.20.0050.00318.13
8.2.10.0040.00418.55
8.2.00.0050.00318.20
8.1.280.0120.00325.92
8.1.270.0100.00324.16
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00724.13
8.1.230.0060.00619.53
8.1.220.0060.00318.05
8.1.210.0000.00818.77
8.1.200.0040.00817.60
8.1.190.0060.00317.60
8.1.180.0000.00818.10
8.1.170.0030.00618.76
8.1.160.0030.00522.45
8.1.150.0080.00219.29
8.1.140.0090.00017.84
8.1.130.0000.00818.20
8.1.120.0000.00817.80
8.1.110.0080.00017.76
8.1.100.0040.00417.89
8.1.90.0040.00417.80
8.1.80.0050.00317.86
8.1.70.0070.00017.80
8.1.60.0030.00617.88
8.1.50.0000.00917.73
8.1.40.0040.00417.76
8.1.30.0050.00517.93
8.1.20.0030.00618.08
8.1.10.0000.00817.91
8.1.00.0000.00817.84
8.0.300.0060.00318.77
8.0.290.0030.00617.13
8.0.280.0050.00518.82
8.0.270.0040.00417.77
8.0.260.0000.00717.65
8.0.250.0040.00417.36
8.0.240.0040.00417.39
8.0.230.0030.00617.23
8.0.220.0030.00717.24
8.0.210.0040.00417.30
8.0.200.0050.00317.43
8.0.190.0030.00617.41
8.0.180.0030.00517.26
8.0.170.0000.00817.39
8.0.160.0050.00317.37
8.0.150.0020.00517.19
8.0.140.0000.00817.33
8.0.130.0000.00813.67
8.0.120.0030.00517.09
8.0.110.0000.00817.38
8.0.100.0050.00317.31
8.0.90.0000.00817.21
8.0.80.0040.01317.31
8.0.70.0040.00417.30
8.0.60.0000.00817.15
8.0.50.0000.00817.33
8.0.30.0090.01017.23
8.0.20.0140.00617.51
8.0.10.0000.00817.26
8.0.00.0150.00517.15
7.4.330.0000.00615.36
7.4.320.0040.00417.01
7.4.300.0070.00016.89
7.4.290.0000.00717.05
7.4.280.0080.00016.94
7.4.270.0080.00016.98
7.4.260.0050.00316.96
7.4.250.0050.00316.96
7.4.240.0010.00617.04
7.4.230.0050.00217.02
7.4.220.0100.01016.99
7.4.210.0060.01016.95
7.4.200.0040.00417.01
7.4.160.0060.01016.87
7.4.150.0120.00817.40
7.4.140.0130.01117.86
7.4.130.0100.01017.00
7.4.120.0130.00617.04
7.4.110.0080.01116.87
7.4.100.0070.01116.85
7.4.90.0070.01016.92
7.4.80.0120.00619.39
7.4.70.0160.00316.89
7.4.60.0170.00317.05
7.4.50.0000.00516.87
7.4.40.0150.00616.91
7.4.30.0170.00716.95
7.4.00.0030.00915.41
7.3.330.0030.00313.53
7.3.320.0000.00613.70
7.3.310.0080.00016.90
7.3.300.0040.00416.65
7.3.290.0070.00716.63
7.3.280.0090.01016.76
7.3.270.0110.00817.40
7.3.260.0090.00917.04
7.3.250.0100.01016.92
7.3.240.0100.01416.73
7.3.230.0150.00416.79
7.3.210.0140.00316.71
7.3.200.0100.01319.39
7.3.190.0100.00616.76
7.3.180.0060.01016.80
7.3.170.0130.00516.75
7.3.160.0060.01216.64
7.2.330.0150.00417.16
7.2.320.0060.01617.10
7.2.310.0090.00917.10
7.2.300.0130.00617.32
7.2.290.0070.01117.15
7.2.00.0070.01119.78
7.1.100.0070.00418.39
7.1.70.0050.00217.43
7.1.60.0070.01719.46
7.1.50.0090.01217.11
7.1.00.0030.07722.71
7.0.200.0030.01316.65
7.0.140.0000.07722.37
7.0.60.0100.04720.48
7.0.50.0000.05718.27
7.0.40.0130.06720.39
7.0.30.0330.04020.36
7.0.20.0330.07320.19
7.0.10.0030.08720.45
7.0.00.0130.07720.35
5.6.280.0100.08321.70
5.6.210.0070.06321.22
5.6.200.0100.04318.77
5.6.190.0030.05320.89
5.6.180.0370.04720.84
5.6.170.0370.06320.89
5.6.160.0130.06021.00
5.6.150.0130.08718.70
5.6.140.0000.05018.56
5.6.130.0100.09018.65
5.6.120.0130.05721.39
5.6.110.0000.06021.61
5.6.100.0100.07721.48
5.6.90.0100.08021.54
5.6.80.0000.05720.95
5.5.350.0230.07720.33
5.5.340.0030.07317.95
5.5.330.0100.04320.20
5.5.320.0270.04320.27
5.5.310.0230.03720.50
5.5.300.0100.07017.95
5.5.290.0030.06317.94
5.5.280.0070.04720.77
5.5.270.0070.04320.78
5.5.260.0070.06020.85
5.5.250.0070.07320.48
5.5.240.0370.04720.21
5.4.450.0400.04319.42
5.4.440.0370.04319.55
5.4.430.0330.04019.64
5.4.420.0400.04319.30
5.4.410.0330.03719.19
5.4.400.0300.04319.00
5.4.390.0300.03719.22
5.4.380.0300.07018.48
5.4.370.0470.07018.45
5.4.360.0330.05718.49
5.4.350.0330.05318.73
5.4.340.0270.06718.51
5.4.320.0080.04212.50
5.4.310.0090.04612.50
5.4.300.0050.03812.50
5.4.290.0090.04012.50
5.4.280.0090.03512.39
5.4.270.0110.04012.39
5.4.260.0150.03312.39
5.4.250.0070.04612.39
5.4.240.0070.04112.39
5.4.230.0080.04412.38
5.4.220.0070.03512.38
5.4.210.0100.03612.38
5.4.200.0020.04112.39
5.4.190.0090.03912.38
5.4.180.0120.04112.38
5.4.170.0100.03712.39
5.4.160.0070.03912.39
5.4.150.0080.04412.38
5.4.140.0070.04112.07
5.4.130.0040.03912.05
5.4.120.0070.04412.02
5.4.110.0080.03912.01
5.4.100.0090.03712.02
5.4.90.0060.04012.02
5.4.80.0080.04412.02
5.4.70.0100.03612.01
5.4.60.0060.03912.01
5.4.50.0060.03612.02
5.4.40.0040.04212.00
5.4.30.0070.03912.00
5.4.20.0100.03411.99
5.4.10.0080.04211.99
5.4.00.0030.05311.48
5.3.290.0060.04512.80
5.3.280.0070.04012.71
5.3.270.0080.04012.73
5.3.260.0090.04412.72
5.3.250.0110.03312.72
5.3.240.0070.04412.72
5.3.230.0120.04812.70
5.3.220.0100.03612.68
5.3.210.0080.03812.68
5.3.200.0040.03912.68
5.3.190.0060.04612.68
5.3.180.0090.04112.68
5.3.170.0090.04012.67
5.3.160.0110.03212.67
5.3.150.0060.03712.68
5.3.140.0070.03612.66
5.3.130.0080.03712.66
5.3.120.0050.03912.66
5.3.110.0060.03812.66
5.3.100.0040.03912.12
5.3.90.0050.03712.08
5.3.80.0040.04012.08
5.3.70.0050.03712.07
5.3.60.0050.03712.06
5.3.50.0080.03312.00
5.3.40.0090.03212.00
5.3.30.0060.03511.95
5.3.20.0090.03511.73
5.3.10.0090.03511.70
5.3.00.0050.03611.68
5.2.170.0030.0319.19
5.2.160.0030.0319.18
5.2.150.0040.0379.18
5.2.140.0070.0299.18
5.2.130.0040.0309.14
5.2.120.0060.0289.14
5.2.110.0060.0389.14
5.2.100.0080.0289.14
5.2.90.0070.0309.14
5.2.80.0060.0369.13
5.2.70.0050.0299.14
5.2.60.0050.0359.09
5.2.50.0040.0339.06
5.2.40.0090.0319.04
5.2.30.0090.0349.01
5.2.20.0050.0319.00
5.2.10.0050.0358.93
5.2.00.0060.0318.79
5.1.60.0040.0258.07
5.1.50.0040.0278.07
5.1.40.0030.0268.05
5.1.30.0070.0308.40
5.1.20.0050.0308.41
5.1.10.0020.0278.15
5.1.00.0040.0318.15
5.0.50.0020.0216.62
5.0.40.0050.0216.48
5.0.30.0070.0286.30
5.0.20.0030.0206.29
5.0.10.0040.0186.26
5.0.00.0040.0406.25
4.4.90.0020.0164.78
4.4.80.0040.0134.76
4.4.70.0020.0174.76
4.4.60.0040.0134.75
4.4.50.0040.0134.77
4.4.40.0040.0234.71
4.4.30.0050.0184.76
4.4.20.0040.0184.85
4.4.10.0040.0134.85
4.4.00.0040.0284.76
4.3.110.0020.0164.67
4.3.100.0030.0204.67
4.3.90.0030.0164.63
4.3.80.0040.0264.59
4.3.70.0010.0224.63
4.3.60.0040.0124.63
4.3.50.0020.0184.62
4.3.40.0050.0234.54
4.3.30.0020.0203.31
4.3.20.0010.0163.29
4.3.10.0030.0143.25
4.3.00.0130.02014.93

preferences:
63.97 ms | 401 KiB | 5 Q