3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mask = 1; $blocks = (int)($mask / 16); $b = unpack('n*', pack('n*', ...array_fill(0, $blocks, 0xffff), ...array_pad([~((2 ** (16 - ($mask % 16))) - 1) & 0xffff], 8 - $blocks, 0))); foreach ($b as $block) { printf("%016b\n", $block); }

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)
8.3.60.0070.01018.31
8.3.50.0110.01021.89
8.3.40.0110.00418.82
8.3.30.0080.00619.08
8.3.20.0000.00720.38
8.3.10.0080.00021.73
8.3.00.0050.00319.26
8.2.180.0150.00625.92
8.2.170.0080.00822.96
8.2.160.0100.00722.30
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00019.54
8.2.110.0090.00022.05
8.2.100.0080.00417.78
8.2.90.0060.00319.20
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00817.68
8.2.50.0080.00018.07
8.2.40.0000.00817.84
8.2.30.0000.00817.96
8.2.20.0000.00817.58
8.2.10.0030.00618.24
8.2.00.0000.00717.70
8.1.280.0140.00325.92
8.1.270.0000.00918.74
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00324.02
8.1.230.0080.00318.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0100.00518.47
8.1.160.0070.00022.09
8.1.150.0000.00718.86
8.1.140.0030.00617.47
8.1.130.0070.00017.84
8.1.120.0040.00417.44
8.1.110.0040.00417.43
8.1.100.0040.00417.45
8.1.90.0000.00717.48
8.1.80.0090.00017.47
8.1.70.0030.00317.44
8.1.60.0040.00417.61
8.1.50.0080.00017.55
8.1.40.0000.00717.49
8.1.30.0030.00617.54
8.1.20.0040.00417.57
8.1.10.0040.00417.54
8.1.00.0000.00717.49
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0040.00418.48
8.0.270.0000.00717.27
8.0.260.0030.00317.23
8.0.250.0030.00316.91
8.0.240.0000.00616.95
8.0.230.0030.00317.01
8.0.220.0000.00716.84
8.0.210.0030.00316.93
8.0.200.0030.00316.98
8.0.190.0030.00516.89
8.0.180.0040.00416.98
8.0.170.0070.00016.97
8.0.160.0030.00316.79
8.0.150.0000.00716.87
8.0.140.0050.00316.93
8.0.130.0000.00513.33
8.0.120.0000.00816.85
8.0.110.0040.00416.93
8.0.100.0060.00316.92
8.0.90.0030.00516.88
8.0.80.0100.00716.91
8.0.70.0040.00416.97
8.0.60.0050.00216.91
8.0.50.0040.00416.70
8.0.30.0120.01017.19
8.0.20.0090.00917.40
8.0.10.0070.00016.92
8.0.00.0130.00516.78
7.4.330.0070.00015.03
7.4.320.0000.00616.52
7.4.300.0030.00316.52
7.4.290.0030.00316.54
7.4.280.0030.00516.45
7.4.270.0040.00416.52
7.4.260.0070.00016.60
7.4.250.0070.00016.50
7.4.240.0010.00616.47
7.4.230.0000.00716.56
7.4.220.0090.00916.62
7.4.210.0090.00616.54
7.4.200.0040.00416.38
7.4.160.0080.00616.56
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0050.01216.51
7.4.120.0080.00916.51
7.4.110.0100.01316.43
7.4.100.0090.00916.52
7.4.90.0030.01416.68
7.4.80.0070.01019.39
7.4.70.0070.01216.73
7.4.60.0060.00916.56
7.4.50.0000.00716.38
7.4.40.0170.00316.71
7.4.30.0070.01016.30
7.4.00.0070.01014.76
7.3.330.0060.00013.24
7.3.320.0030.00313.29
7.3.310.0030.00316.20
7.3.300.0030.00316.34
7.3.290.0090.00516.38
7.3.280.0050.00916.33
7.3.270.0180.00717.40
7.3.260.0070.01316.44
7.3.250.0070.01016.47
7.3.240.0100.00716.59
7.3.230.0120.00916.42
7.3.210.0150.00016.49
7.3.200.0150.00519.39
7.3.190.0100.01016.24
7.3.180.0160.00616.52
7.3.170.0070.01416.28
7.3.160.0100.00616.36
7.2.330.0110.00616.77
7.2.320.0060.00916.81
7.2.310.0120.00416.71
7.2.300.0140.01116.74
7.2.290.0090.01216.50
7.2.00.0000.01419.43
7.1.100.0060.00617.83
7.1.70.0040.01117.21
7.1.60.0140.01019.46
7.1.50.0090.00616.96
7.1.00.0070.07322.43
7.0.200.0000.00716.68
7.0.140.0030.05322.18
7.0.60.0070.06720.04
7.0.50.0070.08017.89
7.0.40.0100.03720.03
7.0.30.0170.08020.00
7.0.20.0300.08020.16
7.0.10.0100.08320.00
7.0.00.0130.07019.99
5.6.280.0030.07321.10
5.6.210.0100.07020.47
5.6.200.0030.04018.18
5.6.190.0100.08320.39
5.6.180.0470.07020.41
5.6.170.0230.03720.51
5.6.160.0100.07720.37
5.6.150.0070.04018.15
5.6.140.0070.03718.21
5.6.130.0030.08718.20
5.6.120.0100.03721.11
5.6.110.0000.04721.13
5.6.100.0130.08020.96
5.6.90.0130.08021.01
5.6.80.0100.03720.40
5.5.350.4200.04020.30
5.5.340.0030.08717.98
5.5.330.0070.08320.29
5.5.320.2830.05720.24
5.5.310.0200.04020.28
5.5.300.0030.07717.95
5.5.290.0100.07318.05
5.5.280.0070.08720.87
5.5.270.0100.08020.74
5.5.260.0030.08320.76
5.5.250.0100.04020.68
5.5.240.0000.03320.22
5.4.450.0530.05319.61
5.4.440.0230.05019.62
5.4.430.0270.05719.52
5.4.420.0130.05319.39
5.4.410.0130.05319.23
5.4.400.0030.06319.22
5.4.390.0130.06018.72
5.4.380.0130.07318.78
5.4.370.0200.05318.69
5.4.360.0200.05318.75
5.4.350.0200.06018.84
5.4.340.0130.06318.73
5.4.320.0300.06718.68
5.4.310.0130.06318.77
5.4.300.0330.04318.75
5.4.290.0170.05718.78
5.4.280.0230.05018.78
5.4.270.0170.05718.70
5.4.260.0300.04718.83
5.4.250.0170.06318.74
5.4.240.0170.06318.46
5.4.230.0200.05718.68
5.4.220.0300.05018.63
5.4.210.0370.05318.77
5.4.200.0230.05316.69
5.4.190.0270.05018.66
5.4.180.0070.06318.72
5.4.170.0330.04318.49
5.4.160.0200.05318.80
5.4.150.0300.05318.72
5.4.140.0300.04316.32
5.4.130.0270.04316.45
5.4.120.0230.04316.25
5.4.110.0270.04016.27
5.4.100.0170.05016.32
5.4.90.0230.04716.32
5.4.80.0270.04716.21
5.4.70.0100.06016.18
5.4.60.0100.05316.29
5.4.50.0170.05016.23
5.4.40.0200.05016.30
5.4.30.0170.05016.17
5.4.20.0530.05016.14
5.4.10.0270.04016.40
5.4.00.0170.05015.73
5.3.290.0270.05014.56
5.3.280.0030.07314.55
5.3.270.0230.05314.68
5.3.260.0200.05714.57
5.3.250.0230.04714.62
5.3.240.0070.06314.61
5.3.230.0200.05714.69
5.3.220.0130.06014.57
5.3.210.0130.06014.61
5.3.200.0070.05714.65
5.3.190.0230.05014.52
5.3.180.0200.05314.66
5.3.170.0230.05014.46
5.3.160.0270.04314.48
5.3.150.0170.07714.64
5.3.140.0230.04714.57
5.3.130.0100.06314.54
5.3.120.0070.06314.52
5.3.110.0100.06014.63
5.3.100.0130.05713.94
5.3.90.0130.05714.01
5.3.80.0100.05714.05
5.3.70.0200.05013.91
5.3.60.0200.05014.02
5.3.50.0170.05013.84
5.3.40.0100.05713.93
5.3.30.0130.05314.00
5.3.20.0200.05013.60
5.3.10.0070.06013.59
5.3.00.0270.05013.55
5.2.170.0170.04011.15
5.2.160.0170.05711.13
5.2.150.0200.03711.05
5.2.140.0170.04711.18
5.2.130.0130.04311.03
5.2.120.0200.03311.10
5.2.110.0130.04011.16
5.2.100.0100.04311.14
5.2.90.0170.04311.11
5.2.80.0230.04311.08
5.2.70.0130.04311.15
5.2.60.0130.04711.03
5.2.50.0100.04711.07
5.2.40.0130.04311.05
5.2.30.0200.05310.98
5.2.20.0230.04710.93
5.2.10.0200.03310.84
5.2.00.0100.04710.78
5.1.60.0100.05010.01
5.1.50.0200.03010.11
5.1.40.0200.03310.01
5.1.30.0170.03010.37
5.1.20.0130.03710.39
5.1.10.0170.03310.14
5.1.00.0100.03710.08
5.0.50.0070.0308.58
5.0.40.0070.0278.43
5.0.30.0100.0478.28
5.0.20.0170.0208.21
5.0.10.0100.0278.15
5.0.00.0000.0508.24
4.4.90.0000.0275.89
4.4.80.0030.0235.86
4.4.70.0000.0275.89
4.4.60.0100.0205.87
4.4.50.0070.0205.86
4.4.40.0170.0275.88
4.4.30.0100.0205.93
4.4.20.0070.0205.93
4.4.10.0030.0235.92
4.4.00.0070.0375.94
4.3.110.0000.0275.88
4.3.100.0030.0235.79
4.3.90.0070.0235.81
4.3.80.0030.0375.91
4.3.70.0130.0205.89
4.3.60.0100.0175.82
4.3.50.0100.0205.79
4.3.40.0070.0335.90
4.3.30.0030.0234.64
4.3.20.0130.0134.61
4.3.10.0030.0234.61
4.3.00.0070.0208.74

preferences:
41.77 ms | 401 KiB | 5 Q