3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i=1 ; echo strpos(log(($int^pow(2,ceil(log($int, 2)))-1)+1,2),'.');

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)
8.3.60.0060.01218.39
8.3.50.0110.00921.14
8.3.40.0120.00318.99
8.3.30.0080.00520.38
8.3.20.0080.00020.48
8.3.10.0040.00421.29
8.3.00.0070.00023.91
8.2.180.0130.00616.75
8.2.170.0040.01122.96
8.2.160.0070.00720.52
8.2.150.0030.00524.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0000.00821.21
8.2.110.0060.00319.52
8.2.100.0100.00317.91
8.2.90.0040.00419.34
8.2.80.0030.00619.29
8.2.70.0000.00817.50
8.2.60.0040.00418.05
8.2.50.0030.00518.07
8.2.40.0090.00018.28
8.2.30.0000.00819.55
8.2.20.0040.00417.83
8.2.10.0000.00817.77
8.2.00.0000.00717.90
8.1.280.0100.00725.92
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.01220.88
8.1.230.0070.00421.10
8.1.220.0030.00518.77
8.1.210.0060.00319.16
8.1.200.0060.00317.48
8.1.190.0030.00617.53
8.1.180.0080.00018.10
8.1.170.0000.00818.68
8.1.160.0070.00019.05
8.1.150.0030.00618.62
8.1.140.0070.00017.61
8.1.130.0000.00717.86
8.1.120.0000.00717.42
8.1.110.0000.00717.48
8.1.100.0020.00517.41
8.1.90.0070.00017.56
8.1.80.0000.00717.58
8.1.70.0000.00717.48
8.1.60.0000.00717.61
8.1.50.0000.00717.58
8.1.40.0000.00817.50
8.1.30.0040.00417.60
8.1.20.0000.00817.68
8.1.10.0080.00017.63
8.1.00.0000.00817.42
8.0.300.0000.00720.23
8.0.290.0040.00417.16
8.0.280.0070.00018.56
8.0.270.0000.00717.37
8.0.260.0030.00317.00
8.0.250.0040.00417.07
8.0.240.0030.00617.00
8.0.230.0040.00417.08
8.0.220.0000.00617.11
8.0.210.0020.00516.98
8.0.200.0030.00317.12
8.0.190.0030.00617.09
8.0.180.0040.00417.02
8.0.170.0040.00417.08
8.0.160.0030.00717.08
8.0.150.0040.00416.99
8.0.140.0080.00016.91
8.0.130.0030.00313.43
8.0.120.0080.00016.96
8.0.110.0000.00817.03
8.0.100.0060.00316.82
8.0.90.0000.00816.84
8.0.80.0060.01317.06
8.0.70.0040.00416.87
8.0.60.0000.00817.05
8.0.50.0020.00516.97
8.0.30.0090.01117.19
8.0.20.0120.00917.40
8.0.10.0000.00717.13
8.0.00.0060.01116.93
7.4.330.0060.00015.26
7.4.320.0000.00716.77
7.4.300.0030.00316.80
7.4.290.0000.00716.75
7.4.280.0000.00716.70
7.4.270.0040.00416.58
7.4.260.0060.00013.46
7.4.250.0040.00416.69
7.4.240.0000.00716.64
7.4.230.0040.00316.41
7.4.220.0090.01016.67
7.4.210.0050.01016.72
7.4.200.0040.00416.58
7.4.190.0000.00716.90
7.4.160.0060.00916.62
7.4.150.0170.00017.40
7.4.140.0110.00617.86
7.4.130.0140.00416.85
7.4.120.0060.01216.65
7.4.110.0030.01416.75
7.4.100.0080.01116.52
7.4.90.0130.01416.62
7.4.80.0070.01019.39
7.4.70.0030.01916.41
7.4.60.0140.00716.54
7.4.50.0000.00916.87
7.4.40.0100.00322.77
7.4.30.0130.00316.70
7.4.00.0000.01215.34
7.3.330.0000.00713.36
7.3.320.0000.00513.24
7.3.310.0000.00716.35
7.3.300.0030.00516.56
7.3.290.0000.01316.46
7.3.280.0070.01116.54
7.3.270.0100.00717.40
7.3.260.0110.01318.24
7.3.250.0090.00716.64
7.3.240.0090.00916.60
7.3.230.0030.02016.55
7.3.210.0080.00816.60
7.3.200.0070.01019.39
7.3.190.0030.01416.46
7.3.180.0100.00716.61
7.3.170.0070.01016.69
7.3.160.0100.01016.42
7.3.120.0030.01015.04
7.2.330.0000.01716.64
7.2.320.0070.01016.82
7.2.310.0060.01116.77
7.2.300.0070.01116.64
7.2.290.0160.00016.86
7.2.00.0270.00919.63
7.1.100.0080.00418.69
7.1.70.0040.00417.46
7.1.60.0070.01719.17
7.1.50.0110.01117.30
7.1.00.0100.05022.66
7.0.200.0040.00417.11
7.0.140.0030.07722.50
7.0.70.0000.03322.15
7.0.60.0030.03022.17
7.0.50.0000.04022.52
7.0.40.0070.03020.51
7.0.30.0030.03320.52
7.0.20.0030.03320.41
7.0.10.0070.03320.49
7.0.00.0000.03720.51
5.6.280.0000.07721.25
5.6.220.0000.04021.00
5.6.210.0030.03320.89
5.6.200.0000.03721.47
5.6.190.0000.03321.36
5.6.180.0070.02721.31
5.6.170.0030.04021.47
5.6.160.0000.06721.46
5.6.150.0030.05321.50
5.6.140.0030.07321.43
5.6.130.0000.05021.49
5.6.120.0070.05021.35
5.6.110.0030.08321.33
5.6.100.0030.04721.33
5.6.90.0000.09321.32
5.6.80.0100.06320.82
5.6.70.0070.08020.73
5.6.60.0170.06720.71
5.6.50.0070.05320.74
5.6.40.0070.08020.81
5.6.30.0070.06020.80
5.6.20.0030.07020.85
5.6.10.0070.06720.91
5.6.00.0100.04020.81
5.5.360.0000.03320.68
5.5.350.0030.03020.78
5.5.340.0000.04021.16
5.5.330.0030.03021.18
5.5.320.0000.03321.38
5.5.310.0000.03321.24
5.5.300.0070.03321.12
5.5.290.0000.03721.13
5.5.280.0030.04321.18
5.5.270.0000.07721.22
5.5.260.0070.07721.17
5.5.250.0070.06721.05
5.5.240.0030.07320.57
5.5.230.0030.07720.65
5.5.220.0030.07720.59
5.5.210.0170.06020.63
5.5.200.0070.07320.56
5.5.190.0100.07720.56
5.5.180.0030.07720.56
5.5.160.0070.06720.63
5.5.150.0070.07320.56
5.5.140.0070.06020.72
5.5.130.0070.08020.50
5.5.120.0030.08320.59
5.5.110.0070.06720.52
5.5.100.0000.08320.43
5.5.90.0100.06020.44
5.5.80.0000.05020.49
5.5.70.0070.06020.47
5.5.60.0030.07720.40
5.5.50.0070.07720.46
5.5.40.0070.06320.38
5.5.30.0000.08320.31
5.5.20.0200.06720.46
5.5.10.0030.05320.40
5.5.00.0000.08020.45
5.4.450.0000.05019.74
5.4.440.0000.07019.78
5.4.430.0000.08319.66
5.4.420.0000.08019.73
5.4.410.0030.08019.41
5.4.400.0000.07719.41
5.4.390.0000.07719.41
5.4.380.0000.07719.59
5.4.370.0070.05319.37
5.4.360.0030.06319.33
5.4.350.0030.07319.36
5.4.340.0100.07019.30
5.4.320.0030.07019.26
5.4.310.0030.07019.36
5.4.300.0000.08019.36
5.4.290.0030.07319.52
5.4.280.0070.07719.26
5.4.270.0070.07319.21
5.4.260.0100.05019.28
5.4.250.0000.07719.27
5.4.240.0070.07019.51
5.4.230.0000.08019.22
5.4.220.0130.06319.44
5.4.210.0030.07719.43
5.4.200.0100.07019.36
5.4.190.0070.07319.38
5.4.180.0070.07319.41
5.4.170.0000.07019.41
5.4.160.0030.06719.33
5.4.150.0100.07719.43
5.4.140.0000.07716.65
5.4.130.0070.07016.63
5.4.120.0030.07316.66
5.4.110.0100.06316.56
5.4.100.0030.06716.78
5.4.90.0000.07716.64
5.4.80.0030.04716.71
5.4.70.0030.05716.76
5.4.60.0070.07316.76
5.4.50.0070.06316.73
5.4.40.0070.05316.75
5.4.30.0030.05016.71
5.4.20.0100.06316.70
5.4.10.0000.07316.69
5.4.00.0030.07016.15
5.3.290.0030.08014.92
5.3.280.0070.05714.95
5.3.270.0030.08014.96
5.3.260.0030.06714.89
5.3.250.0030.06314.93
5.3.240.0030.05314.87
5.3.230.0000.06714.82
5.3.220.0070.06714.86
5.3.210.0100.07314.82
5.3.200.0030.05714.85
5.3.190.0030.07014.81
5.3.180.0070.06314.81
5.3.170.0000.04714.85
5.3.160.0030.07314.80
5.3.150.0000.04314.83
5.3.140.0030.04314.85
5.3.130.0100.06714.91
5.3.120.0070.08014.97
5.3.110.0100.06014.86
5.3.100.0030.07314.40
5.3.90.0000.07314.30
5.3.80.0030.05714.44
5.3.70.0030.05014.25
5.3.60.0100.05314.30
5.3.50.0070.06714.20
5.3.40.0030.07314.19
5.3.30.0000.05014.18
5.3.20.0030.07013.98
5.3.10.0030.07013.92
5.3.00.0030.06713.87
5.2.170.0000.06011.47
5.2.160.0000.06011.43
5.2.150.0000.05011.50
5.2.140.0030.06311.51
5.2.130.0070.05711.34
5.2.120.0030.04711.32
5.2.110.0000.06711.36
5.2.100.0100.05311.27
5.2.90.0000.06711.27
5.2.80.0070.05711.46
5.2.70.0030.05011.43
5.2.60.0030.05311.28
5.2.50.0000.06311.32
5.2.40.0000.05311.25
5.2.30.0070.04711.31
5.2.20.0030.06011.33
5.2.10.0030.06011.24
5.2.00.0070.05711.24
5.1.60.0070.05011.24
5.1.50.0030.05011.24
5.1.40.0000.04711.24
5.1.30.0000.05711.24
5.1.20.0000.05311.24
5.1.10.0030.05711.24
5.1.00.0030.05711.24
5.0.50.0000.04011.24
5.0.40.0030.04011.24
5.0.30.0030.06311.24
5.0.20.0070.03711.24
5.0.10.0000.03711.24
5.0.00.0000.06711.24
4.4.90.0030.03311.24
4.4.80.0000.02711.24
4.4.70.0070.03311.24
4.4.60.0000.02011.24
4.4.50.0000.03311.24
4.4.40.0070.05011.24
4.4.30.0000.03011.24
4.4.20.0000.02311.24
4.4.10.0000.04011.24
4.4.00.0070.05011.24
4.3.110.0000.02311.24
4.3.100.0030.02711.24
4.3.90.0030.03311.24
4.3.80.0030.04711.24
4.3.70.0030.03711.24
4.3.60.0000.03311.24
4.3.50.0000.03011.24
4.3.40.0100.04311.24
4.3.30.0000.03011.24
4.3.20.0030.03311.24
4.3.10.0030.03311.24
4.3.00.0000.03311.24

preferences:
40.55 ms | 401 KiB | 5 Q