3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mask = 0; $blocks = (int)($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)
8.3.60.0140.00318.30
8.3.50.0140.00721.99
8.3.40.0040.01118.59
8.3.30.0100.00319.09
8.3.20.0040.00420.14
8.3.10.0050.00321.55
8.3.00.0080.00019.25
8.2.180.0130.00616.50
8.2.170.0140.00322.96
8.2.160.0100.01022.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.66
8.2.110.0030.00622.20
8.2.100.0070.00420.40
8.2.90.0030.00519.30
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0000.00819.95
8.2.30.0040.00418.07
8.2.20.0040.00417.70
8.2.10.0040.00418.05
8.2.00.0080.00017.70
8.1.280.0030.01025.92
8.1.270.0090.00018.92
8.1.260.0130.00626.35
8.1.250.0070.00028.09
8.1.240.0030.00621.99
8.1.230.0060.00618.88
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.48
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0100.00318.34
8.1.160.0000.00721.97
8.1.150.0000.00718.95
8.1.140.0000.00717.47
8.1.130.0030.00617.75
8.1.120.0000.00717.32
8.1.110.0000.00717.40
8.1.100.0040.00417.37
8.1.90.0070.00017.37
8.1.80.0070.00017.49
8.1.70.0030.00317.42
8.1.60.0040.00417.61
8.1.50.0030.00517.49
8.1.40.0000.00917.53
8.1.30.0030.00517.66
8.1.20.0000.00717.67
8.1.10.0050.00317.54
8.1.00.0070.00017.35
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0070.00018.39
8.0.270.0070.00017.22
8.0.260.0040.00417.22
8.0.250.0030.00316.99
8.0.240.0050.00316.98
8.0.230.0050.00217.05
8.0.220.0030.00316.77
8.0.210.0050.00216.95
8.0.200.0030.00316.91
8.0.190.0040.00416.85
8.0.180.0050.00216.82
8.0.170.0040.00416.77
8.0.160.0030.00316.94
8.0.150.0080.00016.83
8.0.140.0000.00716.87
8.0.130.0000.00513.42
8.0.120.0040.00416.71
8.0.110.0000.00716.80
8.0.100.0050.00216.85
8.0.90.0040.00416.72
8.0.80.0070.00716.85
8.0.70.0000.00716.93
8.0.60.0040.00416.73
8.0.50.0000.00716.97
8.0.30.0140.01117.00
8.0.20.0110.00817.40
8.0.10.0000.00717.05
8.0.00.0120.00516.84
7.4.330.0000.00615.03
7.4.320.0030.00316.62
7.4.300.0040.00416.45
7.4.290.0000.00716.61
7.4.280.0050.00316.49
7.4.270.0040.00416.64
7.4.260.0070.00016.55
7.4.250.0040.00416.56
7.4.240.0050.00216.56
7.4.230.0030.00316.43
7.4.220.0100.00716.53
7.4.210.0060.00916.55
7.4.200.0000.00716.64
7.4.160.0040.01116.38
7.4.150.0060.01317.40
7.4.140.0140.00717.86
7.4.130.0050.01416.64
7.4.120.0100.00716.50
7.4.110.0130.01016.42
7.4.100.0060.01116.38
7.4.90.0110.00716.56
7.4.80.0080.00819.39
7.4.70.0080.00816.63
7.4.60.0070.01016.51
7.4.50.0040.00416.39
7.4.40.0100.01016.49
7.4.30.0060.01116.53
7.4.00.0000.01215.04
7.3.330.0000.00513.20
7.3.320.0030.00313.14
7.3.310.0070.00016.39
7.3.300.0030.00316.24
7.3.290.0080.00616.34
7.3.280.0090.00816.37
7.3.270.0200.00317.40
7.3.260.0070.01016.38
7.3.250.0130.00316.50
7.3.240.0100.00716.36
7.3.230.0100.00616.39
7.3.210.0030.01316.53
7.3.200.0060.01119.39
7.3.190.0120.00916.37
7.3.180.0100.00616.34
7.3.170.0130.00716.40
7.3.160.0080.00816.34
7.2.330.0120.00916.76
7.2.320.0090.00916.36
7.2.310.0140.00316.65
7.2.300.0130.00916.48
7.2.290.0100.00716.54
7.2.60.0000.01716.70
7.1.200.0000.01215.71
7.1.70.0040.00417.20
7.1.60.0070.01719.46
7.1.50.0120.00916.89
7.1.00.0000.08022.45
7.0.200.0000.01016.77
7.0.140.0070.05322.00
7.0.60.0170.07019.82
7.0.50.0100.07317.84
7.0.40.0130.05320.23
7.0.30.0230.04020.16
7.0.20.0370.07020.13
7.0.10.0070.04020.09
7.0.00.0070.07720.19
5.6.280.0030.07321.15
5.6.210.0170.06320.76
5.6.200.0200.06318.15
5.6.190.0070.06020.61
5.6.180.0570.06720.41
5.6.170.0430.06720.54
5.6.160.0030.08320.54
5.6.150.0030.08718.16
5.6.140.0170.06718.11
5.6.130.0070.08018.15
5.6.120.0030.07721.14
5.6.110.0300.05020.96
5.6.100.0030.07721.02
5.6.90.0070.07321.01
5.6.80.0100.03720.53
5.5.350.3170.03020.52
5.5.340.0200.06717.94
5.5.330.0100.07720.49
5.5.320.2230.03720.30
5.5.310.0400.07020.21
5.5.300.0100.07317.98
5.5.290.0100.08017.99
5.5.280.0070.04020.72
5.5.270.0070.04720.82
5.5.260.0070.06720.94
5.5.250.0000.09020.46
5.5.240.0030.06020.14
5.4.450.0630.06719.17
5.4.440.0270.04719.39
5.4.430.0130.05319.39
5.4.420.0170.05019.59
5.4.410.0070.06319.41
5.4.400.0200.04319.27
5.4.390.0130.05718.59
5.4.380.0200.06018.84
5.4.370.0400.04318.82
5.4.360.0230.05718.79
5.4.350.0100.07718.74
5.4.340.0200.05318.75
5.4.320.0200.05718.50
5.4.310.0230.06018.84
5.4.300.0300.05018.70
5.4.290.0130.06018.75
5.4.280.0430.04718.55
5.4.270.0270.07018.46
5.4.260.0200.05018.77
5.4.250.0200.05318.84
5.4.240.0200.05718.57
5.4.230.0230.04718.68
5.4.220.0270.04718.68
5.4.210.0170.05718.73
5.4.200.0230.04316.55
5.4.190.0200.05018.60
5.4.180.0300.05718.79
5.4.170.0130.06318.70
5.4.160.0170.06318.77
5.4.150.0230.05718.48
5.4.140.0300.06016.26
5.4.130.0200.05316.41
5.4.120.0170.05716.28
5.4.110.0230.06316.41
5.4.100.0130.06316.24
5.4.90.0200.05716.32
5.4.80.0300.05716.45
5.4.70.0330.04316.20
5.4.60.0230.04716.18
5.4.50.0170.06016.43
5.4.40.0330.05316.18
5.4.30.0130.06016.23
5.4.20.0170.06016.47
5.4.10.0230.07316.25
5.4.00.0170.06315.64
5.3.290.0230.05714.66
5.3.280.0300.04714.70
5.3.270.0230.07714.55
5.3.260.0230.05714.61
5.3.250.0270.06314.54
5.3.240.0230.05314.63
5.3.230.0170.05314.69
5.3.220.0200.04714.55
5.3.210.0200.06014.48
5.3.200.0170.07714.66
5.3.190.0130.06714.57
5.3.180.0170.05314.51
5.3.170.0270.05014.47
5.3.160.0200.05314.51
5.3.150.0200.05014.48
5.3.140.0230.04714.57
5.3.130.0130.05714.53
5.3.120.0170.05314.45
5.3.110.0170.05714.46
5.3.100.0100.06013.95
5.3.90.0100.06314.05
5.3.80.0200.04714.00
5.3.70.0130.05313.98
5.3.60.0270.05713.97
5.3.50.0230.04313.85
5.3.40.0130.05713.92
5.3.30.0130.05714.00
5.3.20.0100.05713.70
5.3.10.0230.04313.62
5.3.00.0200.05013.64
5.2.170.0170.04711.14
5.2.160.0070.04711.13
5.2.150.0170.04711.29
5.2.140.0100.05011.30
5.2.130.0070.05711.07
5.2.120.0170.04011.07
5.2.110.0000.05311.13
5.2.100.0170.03711.16
5.2.90.0170.03711.11
5.2.80.0100.05011.13
5.2.70.0130.04311.15
5.2.60.0170.03711.08
5.2.50.0030.05311.02
5.2.40.0130.04010.98
5.2.30.0130.04010.96
5.2.20.0070.04311.00
5.2.10.0130.04310.86
5.2.00.0030.04710.75
5.1.60.0100.05010.05
5.1.50.0100.03710.01
5.1.40.0200.02310.01
5.1.30.0070.04310.39
5.1.20.0130.03710.36
5.1.10.0100.04010.19
5.1.00.0200.03310.14
5.0.50.0130.0308.57
5.0.40.0030.0308.48
5.0.30.0070.0478.29
5.0.20.0030.0308.27
5.0.10.0100.0238.35
5.0.00.0070.0478.18
4.4.90.0130.0175.90
4.4.80.0070.0235.94
4.4.70.0100.0175.89
4.4.60.0070.0235.94
4.4.50.0070.0305.91
4.4.40.0070.0475.88
4.4.30.0100.0205.87
4.4.20.0030.0275.95
4.4.10.0100.0175.93
4.4.00.0100.0335.86
4.3.110.0130.0175.75
4.3.100.0030.0235.83
4.3.90.0030.0235.80
4.3.80.0030.0375.79
4.3.70.0100.0205.84
4.3.60.0100.0175.91
4.3.50.0070.0205.87
4.3.40.0030.0375.80
4.3.30.0030.0304.62
4.3.20.0070.0204.62
4.3.10.0030.0304.62
4.3.00.0070.0238.77

preferences:
46.82 ms | 401 KiB | 5 Q