3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getFloatFromInteger($integer) { $hex = dechex($integer); $pack = pack('H*', $hex); $pack = strrev($pack); $result = unpack('d*', $pack); return $result[1]; } $test = getFloatFromInteger(4619191942746344941); echo $test;

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)
8.3.60.0140.00718.56
8.3.50.0120.00922.83
8.3.40.0100.00618.54
8.3.30.0090.00919.12
8.3.20.0000.00720.20
8.3.10.0000.00823.66
8.3.00.0000.00819.14
8.2.180.0070.00718.43
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0030.00520.82
8.2.110.0070.00320.23
8.2.100.0000.01117.91
8.2.90.0040.00417.88
8.2.80.0040.00417.97
8.2.70.0000.00818.03
8.2.60.0040.00417.93
8.2.50.0030.00518.10
8.2.40.0000.00720.53
8.2.30.0000.00718.24
8.2.20.0000.00717.75
8.2.10.0040.00418.17
8.2.00.0040.00417.73
8.1.280.0100.01025.92
8.1.270.0080.00023.71
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0000.00919.09
8.1.230.0110.00019.15
8.1.220.0080.00017.77
8.1.210.0030.00518.77
8.1.200.0090.00317.10
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0070.00318.64
8.1.160.0070.00021.95
8.1.150.0080.00018.82
8.1.140.0000.00717.29
8.1.130.0070.00017.84
8.1.120.0020.00517.43
8.1.110.0040.00417.31
8.1.100.0040.00417.38
8.1.90.0000.00717.31
8.1.80.0050.00217.36
8.1.70.0030.00317.37
8.1.60.0030.00517.59
8.1.50.0040.00417.48
8.1.40.0000.00817.54
8.1.30.0000.00817.62
8.1.20.0070.00017.66
8.1.10.0070.00017.50
8.1.00.0000.00717.48
8.0.300.0000.00719.64
8.0.290.0060.00316.75
8.0.280.0070.00018.44
8.0.270.0030.00317.24
8.0.260.0030.00317.16
8.0.250.0000.00717.00
8.0.240.0030.00316.93
8.0.230.0080.00016.95
8.0.220.0030.00316.89
8.0.210.0030.00316.78
8.0.200.0040.00416.75
8.0.190.0070.00016.78
8.0.180.0050.00416.78
8.0.170.0040.00416.80
8.0.160.0000.00716.88
8.0.150.0000.00716.80
8.0.140.0070.00016.78
8.0.130.0040.00313.27
8.0.120.0000.00816.73
8.0.110.0040.00416.82
8.0.100.0040.00416.61
8.0.90.0000.00716.66
8.0.80.0090.00816.76
8.0.70.0000.00716.86
8.0.60.0040.00416.68
8.0.50.0040.00416.94
8.0.30.0100.00916.97
8.0.20.0120.01417.40
8.0.10.0000.00716.83
8.0.00.0070.01016.54
7.4.330.0050.00015.00
7.4.320.0030.00316.34
7.4.300.0040.00416.52
7.4.290.0030.00316.61
7.4.280.0000.00716.59
7.4.270.0030.00316.50
7.4.260.0100.00016.61
7.4.250.0050.00316.45
7.4.240.0020.00516.52
7.4.230.0070.00016.70
7.4.220.0180.00416.56
7.4.210.0060.01216.53
7.4.200.0030.00516.70
7.4.160.0070.01016.49
7.4.150.0140.00317.40
7.4.140.0080.00917.86
7.4.130.0090.00716.55
7.4.120.0090.00816.56
7.4.110.0100.01316.52
7.4.100.0120.00616.59
7.4.90.0130.00316.61
7.4.80.0070.01019.39
7.4.70.0100.00716.60
7.4.60.0030.01416.40
7.4.50.0070.00016.35
7.4.40.0030.01316.43
7.4.30.0090.00916.47
7.4.00.0040.00814.66
7.3.330.0070.00013.30
7.3.320.0060.00013.36
7.3.310.0030.00316.35
7.3.300.0000.00616.31
7.3.290.0030.01216.27
7.3.280.0130.00716.28
7.3.270.0090.00917.40
7.3.260.0100.00716.38
7.3.250.0040.01416.30
7.3.240.0190.00316.32
7.3.230.0090.00916.55
7.3.210.0070.01016.31
7.3.200.0100.00619.39
7.3.190.0110.00616.60
7.3.180.0030.01316.34
7.3.170.0070.01016.57
7.3.160.0120.00416.35
7.2.330.0100.01416.82
7.2.320.0100.00616.58
7.2.310.0090.00916.26
7.2.300.0030.01916.40
7.2.290.0100.01316.73
7.2.60.0000.01316.90
7.2.00.0030.01019.63
7.1.200.0080.00315.76
7.1.70.0060.00317.29
7.1.60.0080.00417.22
7.1.50.0100.01016.93
7.1.00.0070.07322.34
7.0.200.0110.00314.40
7.0.140.0030.07322.04
7.0.60.0030.07719.90
7.0.50.0100.07017.89
7.0.40.0100.03720.11
7.0.30.0200.04320.33
7.0.20.0330.06320.16
7.0.10.0200.07320.22
7.0.00.0100.09020.20
5.6.210.0030.04320.65
5.6.200.0030.05018.27
5.6.190.0000.08720.65
5.6.180.0200.04020.55
5.6.170.0230.08320.51
5.6.160.0100.08720.71
5.6.150.0170.07318.25
5.6.140.0000.05318.16
5.6.130.0000.04318.23
5.6.120.0100.05021.02
5.6.110.0070.06721.14
5.6.100.0130.08020.89
5.6.90.0130.04321.11
5.6.80.0070.08020.29
5.5.350.0130.05720.34
5.5.340.0030.05018.09
5.5.330.0070.07720.27
5.5.320.0030.04020.38
5.5.310.0230.07320.19
5.5.300.0030.08017.92
5.5.290.0030.05318.08
5.5.280.0130.07020.80
5.5.270.0200.07720.77
5.5.260.0130.08320.79
5.5.250.0070.07020.50
5.5.240.0030.08020.35
5.4.450.0670.05019.45
5.4.440.0870.05319.58
5.4.430.0470.04019.16
5.4.420.1070.05019.46
5.4.410.0730.06019.47
5.4.400.0570.05719.31
5.4.390.0630.05319.30
5.4.380.0270.05718.72
5.4.370.0330.05718.79
5.4.360.0130.06718.78
5.4.350.0330.05318.82
5.4.340.0500.07018.66
5.4.320.0090.03412.50
5.4.310.0040.04212.50
5.4.300.0110.03812.50
5.4.290.0040.03912.50
5.4.280.0070.04112.40
5.4.270.0070.04012.40
5.4.260.0050.04812.40
5.4.250.0090.03712.40
5.4.240.0090.04012.39
5.4.230.0070.04212.39
5.4.220.0050.04212.39
5.4.210.0100.04012.39
5.4.200.0050.03812.39
5.4.190.0070.04012.39
5.4.180.0080.03412.38
5.4.170.0030.04512.39
5.4.160.0080.03512.39
5.4.150.0070.03612.39
5.4.140.0060.03612.07
5.4.130.0110.03912.06
5.4.120.0060.03512.01
5.4.110.0070.03512.02
5.4.100.0060.04012.01
5.4.90.0090.04712.02
5.4.80.0070.03712.01
5.4.70.0070.03612.01
5.4.60.0080.03412.01
5.4.50.0040.04212.00
5.4.40.0080.03512.00
5.4.30.0070.03711.99
5.4.20.0060.04411.99
5.4.10.0060.04012.00
5.4.00.0090.03911.49
5.3.290.0140.04312.80
5.3.280.0070.04512.71
5.3.270.0070.03712.72
5.3.260.0070.04412.72
5.3.250.0100.03612.72
5.3.240.0120.03912.72
5.3.230.0130.03612.71
5.3.220.0090.03312.68
5.3.210.0100.04012.68
5.3.200.0080.03612.68
5.3.190.0160.04412.68
5.3.180.0130.04212.67
5.3.170.0080.03412.67
5.3.160.0060.04312.68
5.3.150.0050.04012.68
5.3.140.0090.03912.66
5.3.130.0080.03812.66
5.3.120.0050.04012.66
5.3.110.0080.03812.66
5.3.100.0040.03912.12
5.3.90.0050.03812.10
5.3.80.0080.03812.09
5.3.70.0090.04012.09
5.3.60.0100.03912.08
5.3.50.0060.04012.02
5.3.40.0080.03712.02
5.3.30.0060.04211.98
5.3.20.0080.03811.77
5.3.10.0040.03811.73
5.3.00.0040.04311.72
5.2.170.0060.0339.22
5.2.160.0050.0369.22
5.2.150.0050.0349.22
5.2.140.0080.0399.22
5.2.130.0080.0309.18
5.2.120.0050.0289.18
5.2.110.0030.0319.18
5.2.100.0060.0279.18
5.2.90.0060.0289.18
5.2.80.0040.0309.17
5.2.70.0030.0379.17
5.2.60.0060.0299.13
5.2.50.0060.0359.10
5.2.40.0060.0369.07
5.2.30.0060.0319.05
5.2.20.0050.0329.04
5.2.10.0040.0318.96
5.2.00.0040.0298.82
5.1.60.0070.0338.11
5.1.50.0030.0328.11
5.1.40.0070.0278.08
5.1.30.0040.0268.43
5.1.20.0040.0328.45
5.1.10.0030.0278.18
5.1.00.0050.0318.18
5.0.50.0050.0246.65
5.0.40.0050.0206.52
5.0.30.0060.0336.33
5.0.20.0090.0206.30
5.0.10.0040.0216.27
5.0.00.0050.0336.27
4.4.90.0060.0144.78
4.4.80.0030.0174.75
4.4.70.0040.0234.76
4.4.60.0050.0244.75
4.4.50.0020.0214.77
4.4.40.0010.0274.71
4.4.30.0040.0224.76
4.4.20.0050.0174.84
4.4.10.0030.0164.85
4.4.00.0030.0254.76
4.3.110.0020.0174.67
4.3.100.0030.0154.66
4.3.90.0050.0124.63
4.3.80.0030.0264.58
4.3.70.0020.0164.63
4.3.60.0010.0164.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0030.0153.32
4.3.20.0030.0153.30
4.3.10.0030.0233.26
4.3.00.0130.0177.86

preferences:
48.75 ms | 401 KiB | 5 Q