3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fo = 0; var_dump($fo *= 5); $a = range(-2, 2); $b = range(-2, 2, 0.5); $opResults = []; $funcResults = []; $results = []; foreach($a as $_a) { foreach($b as $_b) { $opResults[] = $_a ** $_b; $funcResults[] = pow($_a, $_b); $results[] = ['**' => $_a ** $_b, 'pow()' => pow($_a, $_b)]; } } var_dump($opResults === $funcResults, $results);

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)
8.3.60.0180.00416.88
8.3.50.0100.01023.12
8.3.40.0090.01219.09
8.3.30.0120.00319.41
8.3.20.0040.00420.30
8.3.10.0090.00020.86
8.3.00.0060.00319.63
8.2.180.0100.00716.88
8.2.170.0060.01622.96
8.2.160.0080.00820.60
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0060.00321.29
8.2.110.0040.00720.71
8.2.100.0040.01118.47
8.2.90.0030.00519.59
8.2.80.0060.00317.97
8.2.70.0040.00417.75
8.2.60.0060.00318.18
8.2.50.0080.00418.07
8.2.40.0080.00018.41
8.2.30.0000.00819.73
8.2.20.0050.00318.07
8.2.10.0030.00518.39
8.2.00.0040.00418.07
8.1.280.0130.00625.92
8.1.270.0000.00924.08
8.1.260.0030.00626.35
8.1.250.0090.00028.09
8.1.240.0060.00324.16
8.1.230.0110.00019.47
8.1.220.0030.00518.03
8.1.210.0000.00818.77
8.1.200.0070.00317.61
8.1.190.0000.01017.60
8.1.180.0030.00518.10
8.1.170.0000.00818.71
8.1.160.0060.00322.24
8.1.150.0080.00319.23
8.1.140.0040.00417.68
8.1.130.0000.00817.99
8.1.120.0000.00717.73
8.1.110.0000.00917.72
8.1.100.0040.00417.61
8.1.90.0030.00517.76
8.1.80.0040.00417.75
8.1.70.0040.00417.69
8.1.60.0030.00617.85
8.1.50.0040.00417.59
8.1.40.0030.00617.82
8.1.30.0030.00617.90
8.1.20.0000.00817.96
8.1.10.0000.00817.89
8.1.00.0000.00817.81
8.0.300.0000.00818.77
8.0.290.0060.00317.00
8.0.280.0060.00318.76
8.0.270.0070.00017.59
8.0.260.0030.00317.47
8.0.250.0070.00017.25
8.0.240.0040.00417.23
8.0.230.0040.00417.20
8.0.220.0070.00017.13
8.0.210.0040.00417.17
8.0.200.0040.00417.25
8.0.190.0040.00417.16
8.0.180.0050.00217.21
8.0.170.0000.00817.07
8.0.160.0000.00817.17
8.0.150.0040.00416.90
8.0.140.0030.00617.13
8.0.130.0080.00013.62
8.0.120.0000.00817.14
8.0.110.0030.00517.09
8.0.100.0080.00017.05
8.0.90.0050.00317.18
8.0.80.0060.01917.15
8.0.70.0050.00317.09
8.0.60.0000.00817.16
8.0.50.0040.00417.03
8.0.30.0140.01117.29
8.0.20.0100.01117.40
8.0.10.0030.00517.28
8.0.00.0190.00717.08
7.4.330.0000.00515.38
7.4.320.0070.00016.78
7.4.300.0050.00216.70
7.4.290.0000.00716.84
7.4.280.0080.00016.88
7.4.270.0030.00516.76
7.4.260.0000.00816.71
7.4.250.0000.00816.73
7.4.240.0050.00316.82
7.4.230.0070.00016.88
7.4.220.0200.01216.87
7.4.210.0000.01516.67
7.4.200.0050.00216.81
7.4.160.0160.00916.88
7.4.150.0070.01717.40
7.4.140.0140.00917.86
7.4.130.0120.00816.72
7.4.120.0080.01616.74
7.4.110.0070.01816.68
7.4.100.0110.01316.82
7.4.90.0110.00916.66
7.4.80.0030.01919.39
7.4.70.0150.00416.65
7.4.60.0060.01316.71
7.4.50.0030.00316.59
7.4.40.0090.00916.66
7.4.30.0130.00716.88
7.4.00.0120.00315.22
7.3.330.0000.00613.39
7.3.320.0060.00013.52
7.3.310.0100.00016.48
7.3.300.0000.00716.42
7.3.290.0100.01016.53
7.3.280.0090.00916.61
7.3.270.0130.01017.40
7.3.260.0140.00716.63
7.3.250.0160.00616.61
7.3.240.0190.00616.65
7.3.230.0170.00316.53
7.3.210.0200.00016.79
7.3.200.0060.01219.39
7.3.190.0130.00516.58
7.3.180.0120.00816.56
7.3.170.0080.01116.74
7.3.160.0100.01016.58
7.3.10.0120.00616.85
7.3.00.0100.00017.01
7.2.330.0180.01816.74
7.2.320.0210.00016.99
7.2.310.0080.01716.66
7.2.300.0030.01716.75
7.2.290.0030.01716.86
7.2.130.0020.00816.64
7.2.120.0070.01116.71
7.2.110.0130.00516.90
7.2.100.0080.01017.00
7.2.90.0120.00917.11
7.2.80.0040.01117.25
7.2.70.0040.00917.18
7.2.60.0110.00917.14
7.2.50.0070.01117.09
7.2.40.0110.00517.27
7.2.30.0110.00616.78
7.2.20.0000.01017.00
7.2.10.0140.00417.23
7.2.00.0080.00518.30
7.1.250.0100.00315.80
7.1.100.0060.00618.41
7.1.70.0030.00517.35
7.1.60.0170.01019.46
7.1.50.0210.00417.14
7.1.00.0070.07322.60
7.0.200.0080.00016.94
7.0.140.0070.07322.18
7.0.60.0030.06020.27
7.0.50.0130.07318.09
7.0.40.0070.05020.38
7.0.30.0430.05320.36
7.0.20.0230.06720.21
7.0.10.0100.06320.28
7.0.00.0030.09020.35
5.6.280.0030.07321.41
5.6.210.0100.07721.03
5.6.200.0030.04018.35
5.6.190.0170.05320.76
5.6.180.0370.03720.74
5.6.170.0570.05720.84
5.6.160.0130.04020.55
5.6.150.0070.08318.35
5.6.140.0030.04018.59
5.6.130.0100.07318.45
5.6.120.0030.08721.21
5.6.110.0070.03721.23
5.6.100.0230.06721.39
5.6.90.0130.07721.30
5.6.80.0070.05320.75
5.5.350.0200.05720.38
5.5.340.0100.07718.03
5.5.330.0000.04320.57
5.5.320.0300.04320.28
5.5.310.0170.04020.23
5.5.300.0200.06718.04
5.5.290.0130.04017.96
5.5.280.0130.08020.84
5.5.270.0030.05320.96
5.5.260.0070.08320.86
5.5.250.0030.05720.69
5.5.240.0200.07320.19
5.4.450.0130.04319.44
5.4.440.0130.07019.56
5.4.430.0300.04019.38
5.4.420.0330.05719.51
5.4.410.0100.04319.08
5.4.400.0200.05719.21
5.4.390.0230.05319.15
5.4.380.0270.07019.23
5.4.370.0300.07019.11
5.4.360.0200.03718.86
5.4.350.0130.04319.11
5.4.340.0230.06719.09
5.4.320.0230.06018.98
5.4.310.0270.06318.96
5.4.300.0270.07019.18
5.4.290.0230.04318.87
5.4.280.0270.06719.19
5.4.270.0230.03319.07
5.4.260.0270.04318.96
5.4.250.0170.04018.98
5.4.240.0170.04319.27
5.4.230.0170.03319.07
5.4.220.0170.03718.93
5.4.210.0270.04318.86
5.4.200.0230.04019.05
5.4.190.0170.03719.22
5.4.180.0170.03318.98
5.4.170.0200.04318.97
5.4.160.0230.03319.14
5.4.150.0130.03718.96
5.4.140.0200.03016.34
5.4.130.0130.04016.51
5.4.120.0100.04016.28
5.4.110.0170.04016.55
5.4.100.0200.03016.35
5.4.90.0130.03716.26
5.4.80.0100.04016.34
5.4.70.0200.03316.43
5.4.60.0200.03016.52
5.4.50.0130.05716.32
5.4.40.0200.04016.34
5.4.30.0200.03316.24
5.4.20.0170.04316.34
5.4.10.0200.03016.53
5.4.00.0130.04315.90
5.3.290.0170.04014.53
5.3.280.0130.03714.45
5.3.270.0230.03314.51
5.3.260.0130.03714.54
5.3.250.0100.04014.66
5.3.240.0270.03314.46
5.3.230.0170.04014.47
5.3.220.0130.03714.54
5.3.210.0130.03714.52
5.3.200.0130.03714.42
5.3.190.0230.03714.52
5.3.180.0130.04014.49
5.3.170.0100.04014.51
5.3.160.0200.04014.46
5.3.150.0200.03714.52
5.3.140.0100.04314.55
5.3.130.0200.03714.38
5.3.120.0170.03314.38
5.3.110.0170.03314.50
5.3.100.0170.06014.02
5.3.90.0170.03313.86
5.3.80.0130.05314.13
5.3.70.0200.04013.86
5.3.60.0130.04013.86
5.3.50.0170.03314.04
5.3.40.0230.03013.89
5.3.30.0170.03713.85
5.3.20.0130.03713.67
5.3.10.0100.06313.68
5.3.00.0200.03313.73
5.2.170.0100.03011.16
5.2.160.0130.02711.04
5.2.150.0100.03011.20
5.2.140.0170.02310.98
5.2.130.0170.03311.12
5.2.120.0100.03011.04
5.2.110.0200.03711.12
5.2.100.0200.04710.94
5.2.90.0170.02711.12
5.2.80.0070.03311.14
5.2.70.0100.03010.95
5.2.60.0170.04310.96
5.2.50.0100.03710.86
5.2.40.0100.02710.91
5.2.30.0130.02710.80
5.2.20.0100.03710.85
5.2.10.0100.03011.01
5.2.00.0130.05710.61
5.1.60.0170.04010.11
5.1.50.0100.0309.91
5.1.40.0100.0309.85
5.1.30.0130.02310.20
5.1.20.0130.03010.30
5.1.10.0170.0209.96
5.1.00.0030.03710.05
5.0.50.0170.0138.41
5.0.40.0130.0338.32
5.0.30.0070.0308.20
5.0.20.0130.0408.38
5.0.10.0100.0178.14
5.0.00.0030.0308.28
4.4.90.0070.0177.66
4.4.80.0100.0277.66
4.4.70.0070.0377.66
4.4.60.0100.0307.66
4.4.50.0130.0307.66
4.4.40.0030.0307.66
4.4.30.0030.0277.66
4.4.20.0070.0137.66
4.4.10.0030.0177.66
4.4.00.0000.0337.66
4.3.110.0070.0137.66
4.3.100.0030.0177.66
4.3.90.0070.0137.66
4.3.80.0030.0277.66
4.3.70.0070.0137.66
4.3.60.0070.0137.66
4.3.50.0070.0207.66
4.3.40.0030.0407.66
4.3.30.0030.0137.66
4.3.20.0030.0177.66
4.3.10.0030.0237.66
4.3.00.0030.0177.66

preferences:
62.35 ms | 401 KiB | 5 Q