3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bitPointer = 2; $length = 1; $mask = (0xff >> (8 - $length)) << (8 - $bitPointer); printf("%08b", $mask);

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)
8.3.60.0040.01116.25
8.3.50.0080.00917.51
8.3.40.0110.00418.42
8.3.30.0110.00418.65
8.3.20.0000.00818.56
8.3.10.0030.00520.14
8.3.00.0080.00019.25
8.2.180.0070.00718.16
8.2.170.0030.01022.96
8.2.160.0030.01020.90
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00320.95
8.2.110.0070.00321.10
8.2.100.0040.00717.72
8.2.90.0040.00419.11
8.2.80.0060.00319.39
8.2.70.0000.00817.38
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0040.00418.05
8.2.20.0040.00417.64
8.2.10.0030.00517.54
8.2.00.0040.00417.67
8.1.280.0100.00725.92
8.1.270.0000.00724.66
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00922.44
8.1.230.0080.00820.98
8.1.220.0050.00317.74
8.1.210.0030.00618.79
8.1.200.0060.00317.35
8.1.190.0030.00617.40
8.1.180.0050.00518.10
8.1.170.0080.00018.91
8.1.160.0070.00018.83
8.1.150.0050.00218.63
8.1.140.0040.00417.44
8.1.130.0000.00717.90
8.1.120.0040.00417.28
8.1.110.0000.00717.26
8.1.100.0000.00817.38
8.1.90.0000.00817.28
8.1.80.0000.00717.29
8.1.70.0030.00317.34
8.1.60.0040.00417.50
8.1.50.0060.00317.33
8.1.40.0040.00417.52
8.1.30.0000.00817.64
8.1.20.0080.00017.65
8.1.10.0040.00417.44
8.1.00.0080.00017.29
8.0.300.0000.00719.80
8.0.290.0060.00316.63
8.0.280.0030.00318.39
8.0.270.0030.00317.14
8.0.260.0060.00016.66
8.0.250.0000.00716.90
8.0.240.0040.00416.78
8.0.230.0030.00316.71
8.0.220.0030.00316.66
8.0.210.0070.00016.86
8.0.200.0040.00416.77
8.0.190.0040.00416.91
8.0.180.0020.00516.91
8.0.170.0040.00416.83
8.0.160.0050.00216.82
8.0.150.0080.00016.80
8.0.140.0070.00016.67
8.0.130.0040.00413.23
8.0.120.0020.00516.80
8.0.110.0040.00416.80
8.0.100.0000.00816.68
8.0.90.0050.00216.60
8.0.80.0030.01616.79
8.0.70.0040.00416.68
8.0.60.0000.00716.66
8.0.50.0050.00316.70
8.0.30.0080.01216.98
8.0.20.0110.01016.95
8.0.10.0000.00816.95
8.0.00.0160.00416.62
7.4.330.0020.00213.03
7.4.320.0030.00316.41
7.4.300.0060.00016.52
7.4.290.0000.00716.41
7.4.280.0110.00016.32
7.4.270.0000.00816.45
7.4.260.0000.00613.32
7.4.250.0040.00416.44
7.4.240.0000.00716.55
7.4.230.0040.00416.51
7.4.220.0190.00316.29
7.4.210.0080.00816.50
7.4.200.0030.00316.56
7.4.190.0070.00016.60
7.4.160.0100.00616.25
7.4.150.0220.03916.24
7.4.140.0110.00616.38
7.4.130.0120.01116.47
7.4.120.0090.00916.46
7.4.110.0060.01016.40
7.4.100.0150.00316.36
7.4.90.0060.01016.42
7.4.80.0070.01016.45
7.4.70.0060.00916.33
7.4.60.0120.00816.43
7.4.50.0040.00816.40
7.4.40.0060.00916.06
7.4.30.0140.00716.48
7.4.00.0070.00715.02
7.3.330.0030.00313.06
7.3.320.0000.00713.13
7.3.310.0000.00716.39
7.3.300.0000.00716.31
7.3.290.0100.01016.23
7.3.280.0070.01116.26
7.3.270.0240.02516.33
7.3.260.0110.01116.34
7.3.250.0110.00816.49
7.3.240.0060.01716.50
7.3.230.0120.00616.55
7.3.210.0100.00616.60
7.3.200.0160.00819.39
7.3.190.0070.01116.59
7.3.180.0130.00316.32
7.3.170.0120.00916.46
7.3.160.0100.00716.24
7.3.120.0030.01414.68
7.2.330.0120.00616.35
7.2.320.0100.00716.23
7.2.310.0060.01216.59
7.2.300.0060.01616.41
7.2.290.0070.01016.48
7.2.60.0060.00616.96
7.1.200.0030.01215.83
7.1.100.0090.00618.03
7.1.70.0000.00716.83
7.1.60.0100.00317.17
7.1.50.0090.00316.93
7.1.00.0100.04322.41
7.0.200.0030.00616.48
7.0.140.0030.07322.09
7.0.120.0030.07322.13
7.0.60.0030.08719.84
7.0.50.0000.08717.81
7.0.40.0170.05020.04
7.0.30.0300.05020.02
7.0.20.0100.04720.09
7.0.10.0100.08719.99
7.0.00.0100.06320.17
5.6.280.0000.07720.91
5.6.210.0100.06020.48
5.6.200.0070.07718.21
5.6.190.0070.08720.49
5.6.180.0200.08020.41
5.6.170.0230.07720.71
5.6.160.0030.04020.69
5.6.150.0030.04018.27
5.6.140.0030.08718.21
5.6.130.0100.08318.20
5.6.120.0030.05720.98
5.6.110.0070.08021.08
5.6.100.0070.05321.10
5.6.90.0070.08321.13
5.6.80.0100.05720.52
5.6.70.3200.04020.34
5.5.350.0200.06020.41
5.5.340.0070.04317.91
5.5.330.0030.07020.56
5.5.320.0330.08020.51
5.5.310.0230.05320.12
5.5.300.0130.07318.01
5.5.290.0100.08017.91
5.5.280.0070.08320.79
5.5.270.0130.08020.96
5.5.260.0030.08020.95
5.5.250.0070.06020.54
5.5.240.0200.07020.25
5.4.450.0030.05319.46
5.4.440.0070.03719.25
5.4.430.0000.04019.56
5.4.420.0000.04019.41
5.4.410.0070.03019.33
5.4.400.0030.03319.22
5.4.390.0000.03719.13
5.4.380.0000.03719.22
5.4.370.0000.03719.08
5.4.360.0030.03719.09
5.4.350.0030.07318.93
5.4.340.0000.05319.22
5.4.320.0000.05719.06
5.4.310.0100.07319.22
5.4.300.0000.07019.08
5.4.290.0070.06319.21
5.4.280.0070.07319.05
5.4.270.0000.09019.25
5.4.260.0030.04018.76
5.4.250.0100.06018.91
5.4.240.0070.06019.09
5.4.230.0030.07319.13
5.4.220.0030.08018.91
5.4.210.0100.04019.13
5.4.200.0030.06719.08
5.4.190.0030.07319.07
5.4.180.0030.08018.76
5.4.170.0030.04318.88
5.4.160.0000.05719.06
5.4.150.0030.06718.86
5.4.140.0100.06716.23
5.4.130.0000.06316.16
5.4.120.0000.04716.17
5.4.110.0000.05316.30
5.4.100.0030.06716.44
5.4.90.0030.04316.22
5.4.80.0100.05316.38
5.4.70.0100.06316.05
5.4.60.0030.06316.36
5.4.50.0070.05316.38
5.4.40.0030.04716.45
5.4.30.0000.04316.45
5.4.20.0070.03716.36
5.4.10.0070.07716.42
5.4.00.0070.06015.63
5.3.290.0030.06314.50
5.3.280.0000.07314.57
5.3.270.0070.06014.54
5.3.260.0000.05714.48
5.3.250.0000.05314.55
5.3.240.0000.07714.54
5.3.230.0130.04714.57
5.3.220.0030.05314.65
5.3.210.0070.04314.61
5.3.200.0000.07314.45
5.3.190.0030.07314.41
5.3.180.0000.07714.52
5.3.170.0000.06014.64
5.3.160.0070.03314.54
5.3.150.0030.07314.41
5.3.140.0070.07314.41
5.3.130.0030.08014.52
5.3.120.0030.08014.38
5.3.110.0000.07714.57
5.3.100.0070.03714.02
5.3.90.0000.07314.06
5.3.80.0070.07314.00
5.3.70.0170.05013.99
5.3.60.0030.05713.88
5.3.50.0030.07313.93
5.3.40.0030.05713.77
5.3.30.0030.07313.95
5.3.20.0000.06713.56
5.3.10.0030.04313.60
5.3.00.0070.03713.62
5.2.170.0000.05312.23
5.2.160.0070.05312.23
5.2.150.0030.06312.23
5.2.140.0030.04012.23
5.2.130.0000.04712.23
5.2.120.0000.06012.23
5.2.110.0000.03712.23
5.2.100.0030.06012.23
5.2.90.0030.06012.23
5.2.80.0030.07312.23
5.2.70.0070.04312.23
5.2.60.0030.06012.23
5.2.50.0070.05712.23
5.2.40.0030.04012.23
5.2.30.0100.03012.23
5.2.20.0030.02712.23
5.2.10.0070.04312.23
5.2.00.0070.04012.23
5.1.60.0030.03012.23
5.1.50.0030.03312.23
5.1.40.0030.04312.23
5.1.30.0030.05712.23
5.1.20.0070.04012.23
5.1.10.0030.05712.23
5.1.00.0030.05712.23
5.0.50.0030.02712.23
5.0.40.0030.03012.23
5.0.30.0000.07012.23
5.0.20.0000.04312.23
5.0.10.0030.03012.23
5.0.00.0070.06012.23
4.4.90.0030.02312.23
4.4.80.0030.03312.23
4.4.70.0000.01712.23
4.4.60.0070.02012.23
4.4.50.0070.02012.23
4.4.40.0030.04712.23
4.4.30.0000.03712.23
4.4.20.0000.02712.23
4.4.10.0030.02712.23
4.4.00.0030.03712.23
4.3.110.0100.03012.23
4.3.100.0000.03312.23
4.3.90.0000.03712.23
4.3.80.0000.04312.23
4.3.70.0070.02712.23
4.3.60.0070.02312.23
4.3.50.0030.01712.23
4.3.40.0000.02712.23
4.3.30.0000.03712.23
4.3.20.0000.02312.23
4.3.10.0000.03712.23
4.3.00.0030.03012.23

preferences:
41.52 ms | 401 KiB | 5 Q