3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bits32 = 32; $bits64 = 64; $N32 = 0xfffffffe; $N64 = 0xfffffffffffffffe; $result = -( pow(2, $bits32) - $N32 ); echo $result,"\n"; $result = -( pow(2, $bits64) - $N64 ); echo $result,"\n"; echo pow(2,$bits64);

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)
8.3.60.0150.00018.43
8.3.50.0110.00416.54
8.3.40.0150.00318.66
8.3.30.0110.00718.61
8.3.20.0000.00918.99
8.3.10.0000.00820.65
8.3.00.0040.00417.59
8.2.180.0070.01016.63
8.2.170.0100.00322.96
8.2.160.0100.00322.37
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0180.00020.10
8.2.110.0040.00720.72
8.2.100.0040.00817.97
8.2.90.0000.00819.59
8.2.80.0090.00017.97
8.2.70.0030.00617.88
8.2.60.0060.00318.28
8.2.50.0030.00518.07
8.2.40.0000.00918.47
8.2.30.0040.00418.32
8.2.20.0070.00017.80
8.2.10.0040.00418.01
8.2.00.0080.00017.82
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0150.00326.35
8.1.250.0050.00228.09
8.1.240.0030.00724.10
8.1.230.0120.00017.58
8.1.220.0000.00818.02
8.1.210.0000.00818.77
8.1.200.0100.00017.48
8.1.190.0080.00017.89
8.1.180.0040.00418.10
8.1.170.0000.00818.97
8.1.160.0000.00719.04
8.1.150.0040.00418.77
8.1.140.0040.00417.68
8.1.130.0000.00718.12
8.1.120.0070.00017.60
8.1.110.0000.00817.68
8.1.100.0000.00817.60
8.1.90.0000.00717.58
8.1.80.0020.00517.67
8.1.70.0030.00317.54
8.1.60.0040.00417.74
8.1.50.0040.00417.63
8.1.40.0030.00517.73
8.1.30.0060.00317.80
8.1.20.0040.00417.76
8.1.10.0040.00417.75
8.1.00.0000.00717.67
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0030.00318.61
8.0.270.0070.00017.43
8.0.260.0030.00518.77
8.0.250.0040.00417.16
8.0.240.0050.00517.13
8.0.230.0030.00517.09
8.0.220.0000.00717.02
8.0.210.0040.00417.02
8.0.200.0030.00317.20
8.0.190.0000.00717.04
8.0.180.0000.00717.09
8.0.170.0000.00816.92
8.0.160.0030.00317.02
8.0.150.0000.00917.00
8.0.140.0040.00716.95
8.0.130.0020.00513.59
8.0.120.0050.00517.05
8.0.110.0040.00416.95
8.0.100.0000.00717.07
8.0.90.0070.00017.09
8.0.80.0100.00716.94
8.0.70.0040.00417.06
8.0.60.0000.00817.09
8.0.50.0070.00017.05
8.0.30.0120.00517.36
8.0.20.0130.00717.20
8.0.10.0070.00017.06
8.0.00.0130.00616.84
7.4.330.0060.00014.87
7.4.320.0060.00016.53
7.4.300.0030.00316.59
7.4.290.0070.00016.62
7.4.280.0050.00316.79
7.4.270.0000.00716.65
7.4.260.0030.00313.41
7.4.250.0080.00016.64
7.4.240.0040.00416.69
7.4.230.0030.00316.77
7.4.220.0100.01316.45
7.4.210.0100.00716.53
7.4.200.0040.00416.70
7.4.190.0070.00016.86
7.4.160.0150.00416.50
7.4.150.0090.00917.07
7.4.140.0120.00517.21
7.4.130.0130.00716.66
7.4.120.0050.01116.47
7.4.110.0120.00616.63
7.4.100.0090.01216.68
7.4.90.0030.01316.44
7.4.80.0130.00618.80
7.4.70.0100.01016.58
7.4.60.0070.01016.62
7.4.50.0040.00416.65
7.4.40.0100.00622.27
7.4.30.0100.00916.71
7.4.00.0110.00714.70
7.3.330.0030.00513.34
7.3.320.0030.00313.20
7.3.310.0000.00716.41
7.3.300.0000.00716.41
7.3.290.0120.00316.32
7.3.280.0120.00916.36
7.3.270.0090.00917.07
7.3.260.0170.00418.24
7.3.250.0150.00516.44
7.3.240.0100.00716.27
7.3.230.0130.01016.46
7.3.210.0070.01016.35
7.3.200.0030.01319.39
7.3.190.0100.01316.62
7.3.180.0070.01016.46
7.3.170.0160.00316.39
7.3.160.0070.01016.39
7.3.120.0060.01014.80
7.2.330.0110.00716.68
7.2.320.0090.01316.37
7.2.310.0180.00416.55
7.2.300.0100.00716.46
7.2.290.0070.01016.47
7.2.60.0070.00716.73
7.1.200.0060.00615.64
7.1.100.0100.00018.36
7.1.70.0030.00716.96
7.1.60.0100.01019.40
7.1.50.0060.01517.09
7.1.00.0070.06722.61
7.0.200.0040.00416.86
7.0.140.0070.07022.25
7.0.60.0000.04320.09
7.0.50.0000.04318.07
7.0.40.0030.04320.05
7.0.30.0270.07320.25
7.0.20.0270.04320.07
7.0.10.0130.05720.15
7.0.00.0030.04020.24
5.6.280.0070.07021.16
5.6.210.0000.05720.70
5.6.200.0100.05018.18
5.6.190.0000.05320.77
5.6.180.0330.07720.45
5.6.170.0470.06020.65
5.6.160.0170.07020.62
5.6.150.0100.07718.21
5.6.140.0100.05318.34
5.6.130.0030.04018.17
5.6.120.0030.09321.14
5.6.110.0100.08321.11
5.6.100.0100.03721.16
5.6.90.0000.05321.20
5.6.80.0170.05720.65
5.6.70.4500.03320.65
5.5.350.0270.06020.46
5.5.340.0100.07318.14
5.5.330.0070.04720.12
5.5.320.0200.08320.32
5.5.310.0370.07320.53
5.5.300.0030.04318.00
5.5.290.0100.05318.11
5.5.280.0070.08321.07
5.5.270.0070.04020.88
5.5.260.0100.07720.85
5.5.250.0030.05320.73
5.5.240.0230.07320.27
5.4.450.0100.03319.46
5.4.440.0030.06019.30
5.4.430.0000.04319.12
5.4.420.0070.04019.54
5.4.410.0070.03719.37
5.4.400.0030.05318.98
5.4.390.0100.07718.80
5.4.380.0070.06319.14
5.4.370.0070.06318.94
5.4.360.0030.06318.92
5.4.350.0030.08018.79
5.4.340.0000.08319.07
5.4.320.0030.05318.98
5.4.310.0070.07019.24
5.4.300.0030.04319.08
5.4.290.0030.05718.79
5.4.280.0000.04319.23
5.4.270.0030.04019.18
5.4.260.0070.05319.13
5.4.250.0070.05019.14
5.4.240.0100.07319.16
5.4.230.0100.04719.19
5.4.220.0100.03018.78
5.4.210.0030.04319.10
5.4.200.0070.07019.14
5.4.190.0030.08018.78
5.4.180.0070.03319.13
5.4.170.0130.07319.23
5.4.160.0030.07719.16
5.4.150.0130.07719.12
5.4.140.0070.05716.29
5.4.130.0030.04716.34
5.4.120.0100.07316.37
5.4.110.0000.07316.33
5.4.100.0070.06016.38
5.4.90.0000.05716.20
5.4.80.0070.06716.36
5.4.70.0100.07016.33
5.4.60.0070.07316.58
5.4.50.0030.08016.38
5.4.40.0030.05716.21
5.4.30.0070.04716.42
5.4.20.0070.07316.37
5.4.10.0070.03316.18
5.4.00.0070.06715.86
5.3.290.0100.03714.59
5.3.280.0070.08014.54
5.3.270.0000.04314.63
5.3.260.0070.04014.54
5.3.250.0100.05014.61
5.3.240.0000.08314.54
5.3.230.0130.05014.61
5.3.220.0170.06714.50
5.3.210.0030.07714.52
5.3.200.0030.07714.49
5.3.190.0170.06314.57
5.3.180.0070.05314.65
5.3.170.0100.04714.53
5.3.160.0030.07014.67
5.3.150.0000.05714.52
5.3.140.0030.07714.48
5.3.130.0100.03714.40
5.3.120.0070.03714.48
5.3.110.0070.03714.53
5.3.100.0130.03014.04
5.3.90.0100.07013.84
5.3.80.0100.07013.91
5.3.70.0070.07313.95
5.3.60.0070.04313.93
5.3.50.0100.07013.97
5.3.40.0030.03714.04
5.3.30.0000.04313.93
5.3.20.0070.07713.72
5.3.10.0130.06313.59
5.3.00.0030.05713.54
5.2.170.0070.06011.14
5.2.160.0070.04711.09
5.2.150.0070.06311.13
5.2.140.0070.06011.07
5.2.130.0030.06011.02
5.2.120.0070.05311.03
5.2.110.0030.06311.27
5.2.100.0000.03711.03
5.2.90.0000.03311.15
5.2.80.0000.03311.04
5.2.70.0030.05011.05
5.2.60.0070.03011.09
5.2.50.0000.03310.91
5.2.40.0000.03010.90
5.2.30.0030.04010.88
5.2.20.0000.03310.88
5.2.10.0030.06310.87
5.2.00.0030.06010.87
5.1.60.0070.05010.14
5.1.50.0030.03310.13
5.1.40.0030.05010.00
5.1.30.0030.04310.31
5.1.20.0130.04710.34
5.1.10.0030.05710.09
5.1.00.0000.04310.20
5.0.50.0000.0438.66
5.0.40.0000.0408.40
5.0.30.0030.0708.28
5.0.20.0030.0438.34
5.0.10.0030.0478.07
5.0.00.0070.0608.10
4.4.90.0000.0177.80
4.4.80.0030.0177.80
4.4.70.0000.0177.80
4.4.60.0000.0377.80
4.4.50.0030.0177.80
4.4.40.0030.0507.80
4.4.30.0000.0377.80
4.4.20.0100.0337.80
4.4.10.0030.0377.80
4.4.00.0030.0537.80
4.3.110.0070.0337.80
4.3.100.0030.0207.80
4.3.90.0000.0377.80
4.3.80.0000.0477.80
4.3.70.0000.0407.80
4.3.60.0030.0237.80
4.3.50.0000.0407.80
4.3.40.0070.0477.80
4.3.30.0000.0277.80
4.3.20.0030.0307.80
4.3.10.0000.0237.80
4.3.00.0000.0277.80

preferences:
51.55 ms | 401 KiB | 5 Q