3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mask = 127; $blocks = (int)($mask / 16); $b = unpack('n*', pack('n*', ...array_fill(0, $blocks, 0xffff), ...array_pad([~((2 ** ($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)
8.3.70.0070.01316.50
8.3.60.0140.00318.43
8.3.50.0100.00821.90
8.3.40.0150.00618.90
8.3.30.0030.01018.84
8.3.20.0030.00520.34
8.3.10.0050.00321.74
8.3.00.0040.00419.02
8.2.180.0170.00016.47
8.2.170.0100.00722.96
8.2.160.0100.01022.30
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0100.00020.33
8.2.100.0120.00017.85
8.2.90.0040.00418.16
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0030.00519.53
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0050.00317.95
8.2.20.0040.00417.58
8.2.10.0000.00818.07
8.2.00.0050.00217.71
8.1.280.0120.00325.92
8.1.270.0030.00618.86
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0080.00022.14
8.1.230.0040.00820.88
8.1.220.0080.00017.79
8.1.210.0000.00818.90
8.1.200.0040.00717.35
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0140.00518.18
8.1.160.0040.00422.04
8.1.150.0060.00318.91
8.1.140.0040.00417.41
8.1.130.0030.00317.75
8.1.120.0000.00717.39
8.1.110.0030.00517.49
8.1.100.0020.00517.34
8.1.90.0040.00417.46
8.1.80.0040.00417.43
8.1.70.0040.00417.36
8.1.60.0030.00617.52
8.1.50.0050.00317.44
8.1.40.0040.00417.54
8.1.30.0040.00417.71
8.1.20.0000.00817.71
8.1.10.0000.00817.39
8.1.00.0000.00817.49
8.0.300.0040.00420.04
8.0.290.0070.00016.75
8.0.280.0000.00718.39
8.0.270.0030.00517.33
8.0.260.0000.00617.24
8.0.250.0000.00716.98
8.0.240.0030.00316.87
8.0.230.0070.00016.88
8.0.220.0000.00716.86
8.0.210.0030.00316.76
8.0.200.0030.00316.94
8.0.190.0060.00316.98
8.0.180.0030.00316.92
8.0.170.0000.00716.86
8.0.160.0040.00416.86
8.0.150.0000.00716.84
8.0.140.0040.00416.89
8.0.130.0060.00013.34
8.0.120.0000.00816.72
8.0.110.0000.00716.96
8.0.100.0050.00316.91
8.0.90.0000.00816.93
8.0.80.0040.01416.88
8.0.70.0000.00716.96
8.0.60.0040.00416.86
8.0.50.0040.00416.89
8.0.30.0110.01317.23
8.0.20.0040.01417.40
8.0.10.0000.00717.07
8.0.00.0060.01116.87
7.4.330.0050.00015.13
7.4.320.0030.00316.57
7.4.300.0070.00016.51
7.4.290.0000.00716.50
7.4.280.0090.00016.42
7.4.270.0030.00316.63
7.4.260.0040.00416.61
7.4.250.0070.00016.51
7.4.240.0050.00216.61
7.4.230.0000.00716.50
7.4.220.0090.00916.47
7.4.210.0030.01216.65
7.4.200.0000.00716.71
7.4.160.0090.00616.47
7.4.150.0140.00317.40
7.4.140.0120.00817.86
7.4.130.0120.00616.56
7.4.120.0110.00616.51
7.4.110.0110.00716.80
7.4.100.0130.00316.51
7.4.90.0140.00416.35
7.4.80.0120.01319.39
7.4.70.0130.00416.55
7.4.60.0100.01016.58
7.4.50.0040.00416.30
7.4.40.0030.01716.53
7.4.30.0000.01916.55
7.4.00.0060.01315.05
7.3.330.0050.00013.27
7.3.320.0050.00013.19
7.3.310.0000.00716.20
7.3.300.0000.00716.35
7.3.290.0100.00516.33
7.3.280.0060.01316.36
7.3.270.0060.01317.40
7.3.260.0080.00916.74
7.3.250.0090.00916.31
7.3.240.0140.00916.43
7.3.230.0100.00716.43
7.3.210.0100.00716.55
7.3.200.0040.00519.39
7.3.190.0060.01116.35
7.3.180.0130.00316.50
7.3.170.0150.00716.37
7.3.160.0030.01516.51
7.3.120.0070.01115.01
7.3.110.0100.00315.05
7.3.100.0100.00314.91
7.3.90.0000.01714.95
7.3.80.0060.00914.72
7.3.70.0030.00614.82
7.3.60.0070.00714.86
7.3.50.0040.00414.56
7.3.40.0030.01014.93
7.3.30.0030.00514.68
7.3.20.0040.00816.53
7.3.10.0040.00916.69
7.3.00.0090.00616.62
7.2.330.0110.00816.68
7.2.320.0170.00616.51
7.2.310.0030.01316.68
7.2.300.0090.00816.75
7.2.290.0150.00916.61
7.2.250.0040.01215.21
7.2.240.0070.01015.23
7.2.230.0030.01515.35
7.2.220.0040.00415.30
7.2.210.0060.00615.05
7.2.200.0060.00915.16
7.2.190.0040.01114.89
7.2.180.0110.00015.12
7.2.170.0070.01015.02
7.2.160.0060.01014.80
7.2.150.0030.00916.75
7.2.140.0040.00717.04
7.2.130.0050.01016.95
7.2.120.0080.00716.93
7.2.110.0030.01316.92
7.2.100.0060.00816.96
7.2.90.0030.01316.91
7.2.80.0020.00917.10
7.2.70.0020.01316.95
7.2.60.0070.00916.96
7.2.50.0040.00916.99
7.2.40.0000.01316.95
7.2.30.0100.00317.09
7.2.20.0020.01317.04
7.2.10.0050.01216.97
7.2.00.0020.01217.88
7.1.330.0060.01215.55
7.1.320.0040.00815.93
7.1.310.0000.01415.58
7.1.300.0030.01015.53
7.1.290.0040.00415.88
7.1.280.0100.00615.65
7.1.270.0030.00515.77
7.1.260.0060.00915.63
7.1.250.0030.00915.86
7.1.100.0040.01117.84
7.1.70.0100.00717.31
7.1.60.0100.01019.46
7.1.50.0160.00317.05
7.1.00.0030.07722.54
7.0.200.0000.00716.52
7.0.140.0000.03722.04
7.0.110.0030.08319.99
7.0.100.0130.06720.09
7.0.90.0170.07319.90
7.0.80.0000.05320.02
7.0.70.0100.07719.84
7.0.60.0100.08020.02
7.0.50.0130.07720.09
7.0.40.0070.04719.69
7.0.30.0070.08319.82
7.0.20.0130.07019.70
7.0.10.0070.08319.84
7.0.00.0100.07319.68
5.6.280.0070.07021.14
5.6.260.0130.07720.73
5.6.250.0070.07320.62
5.6.240.0000.05720.70
5.6.230.0030.06020.66
5.6.220.0130.06720.66
5.6.210.0000.08320.55
5.6.200.0130.06020.57
5.6.190.0070.07720.68
5.6.180.0000.05020.64
5.6.170.0000.06320.62
5.6.160.0030.07320.82
5.6.150.0100.07020.51
5.6.140.0170.07320.64
5.6.130.0030.04020.66
5.6.120.0100.07320.58
5.6.110.0030.05320.67
5.6.100.0170.07320.53
5.6.90.0070.06720.68
5.6.80.0070.03320.08
5.6.70.0030.08320.02
5.6.60.0170.06320.07
5.6.50.0170.07319.97
5.6.40.0030.07720.00
5.6.30.0070.07719.91
5.6.20.0100.06319.97
5.6.10.0000.04019.99
5.6.00.0130.07020.00
5.5.380.0000.04017.72
5.5.370.0070.08017.51
5.5.360.0100.07317.50
5.5.350.0100.04317.78
5.5.340.0130.07317.95
5.5.330.0070.06717.83
5.5.320.0070.04717.93
5.5.310.0030.07317.95
5.5.300.0000.08318.13
5.5.290.0100.07317.91
5.5.280.0070.09317.91
5.5.270.0130.06018.09
5.5.260.0030.07318.22
5.5.250.0030.07717.73
5.5.240.0070.07017.46
5.5.230.0030.07017.50
5.5.220.0030.07017.46
5.5.210.0030.08017.29
5.5.200.0030.04317.31
5.5.190.0030.07017.47
5.5.180.0000.07717.28
5.5.160.0130.07317.28
5.5.150.0100.07317.25
5.5.140.0070.06717.26
5.5.130.0100.05717.28
5.5.120.0100.06017.47
5.5.110.0000.04017.44
5.5.100.0070.07317.21
5.5.90.0030.05717.34
5.5.80.0070.03317.35
5.5.70.0000.07717.15
5.5.60.0070.07317.31
5.5.50.0030.03717.20
5.5.40.0030.07317.50
5.5.30.0100.07017.16
5.5.20.0070.08017.32
5.5.10.0030.07717.13
5.5.00.0070.07717.16
5.4.450.0030.08019.68
5.4.440.0130.07019.55
5.4.430.0030.05319.27
5.4.420.0030.07719.35
5.4.410.0130.07019.51
5.4.400.0100.04719.11
5.4.390.0030.03718.95
5.4.380.0030.07319.16
5.4.370.0030.08319.14
5.4.360.0030.08019.00
5.4.350.0030.06719.04
5.4.340.0070.07319.23
5.4.320.0130.07019.09
5.4.310.0070.06718.95
5.4.300.0000.04018.99
5.4.290.0030.07719.01
5.4.280.0070.07719.13
5.4.270.0100.07019.09
5.4.260.0030.07019.37
5.4.250.0100.07019.17
5.4.240.0100.07019.01
5.4.230.0130.05019.31
5.4.220.0130.07019.18
5.4.210.0030.07019.01
5.4.200.0000.08319.17
5.4.190.0000.08019.17
5.4.180.0030.08319.25
5.4.170.0030.08719.21
5.4.160.0100.07019.12
5.4.150.0100.07718.93
5.4.140.0030.04716.55
5.4.130.0100.06716.32
5.4.120.0100.06716.29
5.4.110.0070.07316.47
5.4.100.0070.06716.59
5.4.90.0070.07316.59
5.4.80.0070.07016.40
5.4.70.0070.06716.55
5.4.60.0170.06316.48
5.4.50.0130.06716.38
5.4.40.0000.04716.44
5.4.30.0100.06716.23
5.4.20.0000.08316.23
5.4.10.0100.07016.52
5.4.00.0100.07015.79
5.3.290.0030.08314.68
5.3.280.0030.08014.61
5.3.270.0070.06714.47
5.3.260.0100.07314.45
5.3.250.0070.07714.67
5.3.240.0030.08014.45
5.3.230.0070.06014.70
5.3.220.0130.06714.59
5.3.210.0070.07714.51
5.3.200.0070.08014.37
5.3.190.0100.04714.43
5.3.180.0030.04714.58
5.3.170.0070.07314.43
5.3.160.0030.07014.64
5.3.150.0030.05714.51
5.3.140.0130.06714.58
5.3.130.0030.07014.64
5.3.120.0100.04014.65
5.3.110.0030.09014.49
5.3.100.0130.07314.07
5.3.90.0030.07714.10
5.3.80.0070.07714.04
5.3.70.0030.07713.95
5.3.60.0130.06713.89
5.3.50.0100.07013.77
5.3.40.0030.04313.88
5.3.30.0070.07013.79
5.3.20.0070.07313.59
5.3.10.0170.06313.55
5.3.00.0170.06013.46
5.2.170.0100.03012.19
5.2.160.0100.02712.19
5.2.150.0030.06312.19
5.2.140.0070.04312.19
5.2.130.0100.05712.19
5.2.120.0070.06012.19
5.2.110.0070.06012.19
5.2.100.0030.03012.19
5.2.90.0070.05312.19
5.2.80.0030.05712.19
5.2.70.0070.05012.19
5.2.60.0030.06712.19
5.2.50.0100.06012.19
5.2.40.0030.04312.19
5.2.30.0100.03712.19
5.2.20.0070.06012.19
5.2.10.0030.06312.19
5.2.00.0030.06012.19
5.1.60.0100.04712.19
5.1.50.0030.05712.19
5.1.40.0130.04312.19
5.1.30.0070.04312.19
5.1.20.0030.03012.19
5.1.10.0030.05312.19
5.1.00.0030.04712.19
5.0.50.0030.04312.19
5.0.40.0070.04012.19
5.0.30.0030.04712.19
5.0.20.0000.04712.19
5.0.10.0030.04712.19
5.0.00.0000.06012.19
4.4.90.0030.03312.19
4.4.80.0030.03712.19
4.4.70.0000.02012.19
4.4.60.0070.01312.19
4.4.50.0000.03012.19
4.4.40.0000.05312.19
4.4.30.0130.02312.19
4.4.20.0000.02012.19
4.4.10.0030.03312.19
4.4.00.0000.05312.19
4.3.110.0070.03012.19
4.3.100.0000.03712.19
4.3.90.0070.02712.19
4.3.80.0030.05312.19
4.3.70.0070.02712.19
4.3.60.0030.03312.19
4.3.50.0030.02312.19
4.3.40.0030.04712.19
4.3.30.0030.02712.19
4.3.20.0000.03312.19
4.3.10.0070.03012.19
4.3.00.0000.02712.19

preferences:
75.62 ms | 401 KiB | 5 Q