3v4l.org

run code in 300+ PHP versions simultaneously
<?php $availablePieces = []; $bitfield = hex2bin(preg_replace('(\s)', '', 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffe0')); $bytes = unpack('N*', $bitfield); foreach ($bytes as $index => $byte) { $i = $index - 1; // since pack is 1-indexed $availablePieces[($i * 8) + 0] = ($byte & 0b10000000) !== 0; $availablePieces[($i * 8) + 1] = ($byte & 0b01000000) !== 0; $availablePieces[($i * 8) + 2] = ($byte & 0b00100000) !== 0; $availablePieces[($i * 8) + 3] = ($byte & 0b00010000) !== 0; $availablePieces[($i * 8) + 4] = ($byte & 0b00001000) !== 0; $availablePieces[($i * 8) + 5] = ($byte & 0b00000100) !== 0; $availablePieces[($i * 8) + 6] = ($byte & 0b00000010) !== 0; $availablePieces[($i * 8) + 7] = ($byte & 0b00000001) !== 0; } var_dump($availablePieces);

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)
8.3.70.0100.01417.00
8.3.60.0130.01018.30
8.3.50.0090.00616.49
8.3.40.0040.01119.09
8.3.30.0090.00619.09
8.3.20.0030.00520.98
8.3.10.0060.00323.53
8.3.00.0090.00023.57
8.2.190.0090.00618.52
8.2.180.0120.00416.63
8.2.170.0090.00622.96
8.2.160.0110.00420.52
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00326.16
8.2.110.0070.00322.46
8.2.100.0030.00918.03
8.2.90.0080.00018.00
8.2.80.0050.00319.08
8.2.70.0060.00317.63
8.2.60.0030.00517.63
8.2.50.0040.00418.05
8.2.40.0000.00918.22
8.2.30.0000.00819.44
8.2.20.0030.00518.19
8.2.10.0050.00319.36
8.2.00.0070.00019.24
8.1.280.0110.00425.92
8.1.270.0060.00322.14
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00320.52
8.1.230.0090.00318.02
8.1.220.0030.00517.89
8.1.210.0060.00318.77
8.1.200.0070.00317.60
8.1.190.0100.00017.48
8.1.180.0060.00318.10
8.1.170.0030.00517.62
8.1.160.0000.00918.88
8.1.150.0030.00519.01
8.1.140.0040.00420.82
8.1.130.0040.00417.54
8.1.120.0040.00417.67
8.1.110.0060.00317.63
8.1.100.0040.00417.55
8.1.90.0070.00317.68
8.1.80.0080.00017.58
8.1.70.0040.00417.52
8.1.60.0080.00417.77
8.1.50.0000.00817.71
8.1.40.0090.00017.74
8.1.30.0030.00517.89
8.1.20.0000.00817.73
8.1.10.0030.00617.80
8.1.00.0030.00617.66
8.0.300.0000.00719.14
8.0.290.0070.00417.00
8.0.280.0000.00718.52
8.0.270.0040.00418.21
8.0.260.0070.00017.00
8.0.250.0050.00317.04
8.0.240.0040.00417.16
8.0.230.0040.00417.01
8.0.220.0050.00317.09
8.0.210.0000.00717.12
8.0.200.0070.00017.03
8.0.190.0040.00417.01
8.0.180.0000.00817.06
8.0.170.0060.00317.09
8.0.160.0060.00317.04
8.0.150.0000.00816.88
8.0.140.0070.00017.05
8.0.130.0030.00313.43
8.0.120.0000.00816.94
8.0.110.0000.00816.88
8.0.100.0000.00716.96
8.0.90.0030.00617.10
8.0.80.0100.01217.02
8.0.70.0060.00317.01
8.0.60.0000.00817.11
8.0.50.0040.00417.05
8.0.30.0100.01017.57
8.0.20.0160.00617.54
8.0.10.0080.00017.05
8.0.00.0140.00716.98
7.4.330.0030.00316.68
7.4.320.0060.00016.81
7.4.300.0070.00016.89
7.4.290.0040.00416.64
7.4.280.0090.00016.73
7.4.270.0040.00416.77
7.4.260.0030.00313.53
7.4.250.0070.00016.75
7.4.240.0030.00416.82
7.4.230.0070.00016.96
7.4.220.0040.00416.77
7.4.210.0090.00916.78
7.4.200.0030.00516.79
7.4.130.0050.01916.85
7.4.120.0140.00816.79
7.4.110.0120.00916.54
7.4.100.0070.01116.68
7.4.90.0130.00616.68
7.4.80.0130.01319.39
7.4.70.0060.01516.82
7.4.60.0080.01616.66
7.4.50.0070.01016.90
7.4.40.0110.00816.77
7.4.10.0090.01216.70
7.4.00.0080.00816.84
7.3.330.0030.00416.53
7.3.320.0030.00313.34
7.3.310.0030.00316.66
7.3.300.0000.00716.51
7.3.290.0090.00816.52
7.3.280.0100.01016.44
7.3.260.0120.00816.76
7.3.240.0100.00916.72
7.3.230.0100.01316.89
7.3.210.0080.01216.76
7.3.200.0080.01216.96
7.3.190.0090.00916.45
7.3.180.0100.00716.54
7.3.170.0060.02016.69
7.3.160.0060.01916.53
7.3.130.0140.00516.69
7.3.120.0090.00816.72
7.3.110.0190.00016.39
7.3.100.0080.01216.74
7.3.90.0060.01216.82
7.3.80.0120.00616.44
7.3.70.0090.00916.50
7.3.60.0060.01416.56
7.3.50.0170.00316.73
7.3.40.0110.00816.68
7.3.30.0130.00716.41
7.3.20.0120.01216.66
7.3.10.0070.01116.54
7.3.00.0160.00616.66
7.2.330.0120.01216.85
7.2.320.0090.00917.01
7.2.310.0050.01416.98
7.2.300.0140.00716.86
7.2.290.0160.00916.81
7.2.260.0050.01116.83
7.2.250.0030.01316.86
7.2.240.0140.00716.73
7.2.230.0100.01016.77
7.2.220.0110.00716.85
7.2.210.0160.00417.02
7.2.200.0090.00916.73
7.2.190.0090.00916.77
7.2.180.0120.00616.80
7.2.170.0220.00016.66
7.2.160.0120.00816.80
7.2.150.0090.00916.74
7.2.140.0140.00716.76
7.2.130.0060.01216.95
7.2.120.0060.01516.77
7.2.110.0000.02016.80
7.2.100.0060.01216.81
7.2.90.0090.00916.84
7.2.80.0060.01416.80
7.2.70.0140.00816.79
7.2.60.0130.01316.87
7.2.50.0080.01716.68
7.2.40.0130.01316.87
7.2.30.0120.01316.82
7.2.20.0060.01216.84
7.2.10.0090.01216.70
7.2.00.0090.01616.81

preferences:
50.3 ms | 401 KiB | 5 Q