3v4l.org

run code in 300+ PHP versions simultaneously
<?php $availablePieces = []; $bitfield = hex2bin('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0'); $bytes = unpack('N', $bitfield)[1]; foreach (str_split($bytes) as $index => $byte) { $availablePieces[($index * 8) + 0] = $byte & 0b10000000 !== 0; $availablePieces[($index * 8) + 1] = $byte & 0b01000000 !== 0; $availablePieces[($index * 8) + 2] = $byte & 0b00100000 !== 0; $availablePieces[($index * 8) + 3] = $byte & 0b00010000 !== 0; $availablePieces[($index * 8) + 4] = $byte & 0b00001000 !== 0; $availablePieces[($index * 8) + 5] = $byte & 0b00000100 !== 0; $availablePieces[($index * 8) + 6] = $byte & 0b00000010 !== 0; $availablePieces[($index * 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)
8.3.70.0100.01016.75
8.3.60.0070.00718.30
8.3.50.0100.01016.30
8.3.40.0070.00718.89
8.3.30.0120.00318.69
8.3.20.0040.00420.85
8.3.10.0060.00321.80
8.3.00.0050.00323.70
8.2.190.0090.00618.43
8.2.180.0160.00616.75
8.2.170.0080.00822.96
8.2.160.0110.00420.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0060.00326.16
8.2.110.0060.00321.08
8.2.100.0040.00817.63
8.2.90.0000.00819.30
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0080.00017.63
8.2.50.0030.00518.05
8.2.40.0050.00318.34
8.2.30.0040.00419.37
8.2.20.0040.00418.05
8.2.10.0030.00519.20
8.2.00.0040.00419.37
8.1.280.0040.01125.92
8.1.270.0030.00522.01
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00621.06
8.1.230.0090.00317.48
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0060.00317.38
8.1.190.0000.00917.22
8.1.180.0030.00618.10
8.1.170.0000.00817.62
8.1.160.0000.00718.84
8.1.150.0060.00319.02
8.1.140.0060.00320.65
8.1.130.0000.00720.28
8.1.120.0080.00017.53
8.1.110.0020.00517.52
8.1.100.0040.00417.35
8.1.90.0090.00017.37
8.1.80.0020.00517.39
8.1.70.0060.00317.49
8.1.60.0000.00817.65
8.1.50.0030.00517.58
8.1.40.0000.00817.44
8.1.30.0080.00017.68
8.1.20.0040.00417.68
8.1.10.0040.00417.60
8.1.00.0000.00817.48
8.0.300.0060.00318.77
8.0.290.0050.00317.04
8.0.280.0040.00418.46
8.0.270.0040.00417.92
8.0.260.0030.00320.13
8.0.250.0030.00316.96
8.0.240.0000.00717.02
8.0.230.0030.00317.00
8.0.220.0000.00716.92
8.0.210.0000.00716.92
8.0.200.0000.00716.86
8.0.190.0040.00416.84
8.0.180.0030.00616.92
8.0.170.0030.00616.93
8.0.160.0080.00016.93
8.0.150.0000.00716.87
8.0.140.0000.00716.83
8.0.130.0000.00513.27
8.0.120.0020.00516.93
8.0.110.0050.00216.90
8.0.100.0000.00816.73
8.0.90.0050.00516.71
8.0.80.0090.00916.86
8.0.70.0040.00416.97
8.0.60.0040.00416.97
8.0.50.0050.00216.73
8.0.30.0080.01217.16
8.0.20.0090.01217.10
8.0.10.0000.00716.95
8.0.00.0160.00816.77
7.4.330.0030.00316.75
7.4.320.0000.00616.52
7.4.300.0030.00316.54
7.4.290.0000.00716.53
7.4.280.0040.00416.46
7.4.270.0000.00716.53
7.4.260.0030.00313.34
7.4.250.0030.00316.54
7.4.240.0000.00716.59
7.4.230.0020.00516.71
7.4.220.0040.00416.57
7.4.210.0070.00916.62
7.4.200.0000.00716.37
7.4.130.0130.00616.54
7.4.120.0210.00316.59
7.4.110.0110.01116.64
7.4.100.0100.01116.39
7.4.90.0110.00716.33
7.4.80.0070.01319.39
7.4.70.0110.00716.53
7.4.60.0090.00916.47
7.4.50.0070.01016.64
7.4.40.0070.01016.44
7.4.10.0110.00716.28
7.4.00.0100.00616.50
7.3.330.0000.00816.36
7.3.320.0030.00313.10
7.3.310.0000.00716.16
7.3.300.0000.00716.35
7.3.290.0090.00716.34
7.3.280.0070.01316.41
7.3.260.0120.00916.69
7.3.240.0100.01016.41
7.3.230.0030.01616.59
7.3.210.0080.01116.25
7.3.200.0100.01016.29
7.3.190.0160.00616.68
7.3.180.0090.00916.61
7.3.170.0170.00716.37
7.3.160.0130.01316.39
7.3.130.0160.01316.40
7.3.120.0120.00816.43
7.3.110.0190.00316.20
7.3.100.0070.01116.45
7.3.90.0160.00916.28
7.3.80.0100.01016.50
7.3.70.0110.01216.41
7.3.60.0090.00916.24
7.3.50.0120.00616.48
7.3.40.0150.00616.22
7.3.30.0210.00416.29
7.3.20.0140.00716.13
7.3.10.0060.01216.25
7.3.00.0110.00816.40
7.2.330.0060.01216.43
7.2.320.0090.00916.48
7.2.310.0060.01016.77
7.2.300.0130.00716.71
7.2.290.0080.00916.49
7.2.260.0110.00816.74
7.2.250.0110.01216.55
7.2.240.0150.00816.64
7.2.230.0120.00916.68
7.2.220.0150.00416.59
7.2.210.0090.01216.68
7.2.200.0150.00616.64
7.2.190.0130.00616.43
7.2.180.0150.00516.49
7.2.170.0100.01116.43
7.2.160.0190.00016.46
7.2.150.0080.01316.62
7.2.140.0130.00716.66
7.2.130.0100.01016.65
7.2.120.0120.00916.58
7.2.110.0110.00816.57
7.2.100.0200.00916.38
7.2.90.0160.00316.75
7.2.80.0060.01216.56
7.2.70.0070.01116.67
7.2.60.0090.00916.41
7.2.50.0100.00816.51
7.2.40.0080.01416.52
7.2.30.0120.00816.69
7.2.20.0100.01016.49
7.2.10.0070.01216.62
7.2.00.0130.01016.77

preferences:
18.15 ms | 401 KiB | 5 Q