3v4l.org

run code in 300+ PHP versions simultaneously
<?php $float_num = 0.0456; $exponent_part = ( floor(log($float_num, 2)) + 1 ); $mantissa_part = ( $float_num * pow(2, -$exponent_part) ); echo 'Floating value : '.$float_num.'<br>'; echo 'Exponent part : '.$exponent_part.'<br>'; echo 'Mantissa part : '.$mantissa_part.'<br>'; ?>

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)
8.3.70.0090.00918.39
8.3.60.0070.01318.55
8.3.50.0060.01522.13
8.3.40.0080.00819.01
8.3.30.0140.00719.16
8.3.20.0040.00420.71
8.3.10.0030.00523.73
8.3.00.0090.00619.38
8.2.180.0120.00316.63
8.2.170.0040.01122.96
8.2.160.0070.00720.60
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00626.16
8.2.120.0040.00422.38
8.2.110.0060.00320.91
8.2.100.0060.00618.03
8.2.90.0040.00418.22
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0000.00718.18
8.2.50.0080.00018.07
8.2.40.0060.00318.16
8.2.30.0030.00618.39
8.2.20.0000.00817.84
8.2.10.0000.00718.22
8.2.00.0080.00017.89
8.1.280.0030.01225.92
8.1.270.0060.00322.26
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.61
8.1.230.0110.00021.11
8.1.220.0060.00317.91
8.1.210.0000.01019.13
8.1.200.0100.00017.47
8.1.190.0040.00417.48
8.1.180.0000.00718.10
8.1.170.0050.00318.62
8.1.160.0040.00422.29
8.1.150.0040.00419.08
8.1.140.0000.00817.68
8.1.130.0070.00018.09
8.1.120.0040.00317.69
8.1.110.0030.00517.71
8.1.100.0000.00717.68
8.1.90.0050.00217.61
8.1.80.0030.00417.70
8.1.70.0000.00717.66
8.1.60.0000.00917.84
8.1.50.0030.00617.74
8.1.40.0050.00517.63
8.1.30.0030.00617.91
8.1.20.0040.00417.79
8.1.10.0040.00417.61
8.1.00.0000.00817.64
8.0.300.0050.00520.18
8.0.290.0050.00316.88
8.0.280.0000.00718.63
8.0.270.0000.00717.41
8.0.260.0000.00717.52
8.0.250.0070.00017.18
8.0.240.0030.00317.04
8.0.230.0000.00717.10
8.0.220.0030.00317.17
8.0.210.0030.00316.96
8.0.200.0080.00017.10
8.0.190.0040.00717.13
8.0.180.0080.00017.04
8.0.170.0050.00317.13
8.0.160.0050.00317.11
8.0.150.0030.00317.09
8.0.140.0000.00817.01
8.0.130.0030.00313.48
8.0.120.0080.00017.14
8.0.110.0000.00717.14
8.0.100.0000.00717.01
8.0.90.0000.00817.18
8.0.80.0090.00917.02
8.0.70.0070.00017.19
8.0.60.0070.00017.10
8.0.50.0040.00416.98
8.0.30.0110.00917.19
8.0.20.0110.00817.40
8.0.10.0000.00717.16
8.0.00.0070.01117.13
7.4.330.0060.00015.23
7.4.320.0020.00516.64
7.4.300.0000.00616.81
7.4.290.0000.00816.72
7.4.280.0030.00716.61
7.4.270.0050.00316.64
7.4.260.0030.00316.66
7.4.250.0040.00416.68
7.4.240.0050.00316.73
7.4.230.0050.00316.84
7.4.220.0060.01416.73
7.4.210.0070.00716.80
7.4.200.0000.00716.87
7.4.160.0100.00516.74
7.4.150.0130.00317.40
7.4.140.0090.01217.86
7.4.130.0110.00616.72
7.4.120.0120.00516.66
7.4.110.0140.00416.54
7.4.100.0110.00616.58
7.4.90.0060.01416.54
7.4.80.0120.00619.39
7.4.70.0090.01216.70
7.4.60.0070.01016.74
7.4.50.0000.00816.63
7.4.40.0070.01416.45
7.4.30.0070.01016.75
7.4.00.0070.00715.59
7.3.330.0060.00013.27
7.3.320.0060.00013.42
7.3.310.0000.00716.41
7.3.300.0000.00716.38
7.3.290.0070.00716.50
7.3.280.0080.00616.45
7.3.270.0120.01217.40
7.3.260.0030.01416.57
7.3.250.0080.01116.58
7.3.240.0100.00716.47
7.3.230.0070.01016.78
7.3.210.0070.01116.73
7.3.200.0060.01619.39
7.3.190.0190.00316.52
7.3.180.0070.01016.48
7.3.170.0090.01216.66
7.3.160.0060.01016.54
7.2.330.0060.01116.91
7.2.320.0090.00916.91
7.2.310.0130.00316.64
7.2.300.0070.01016.90
7.2.290.0190.00316.81
7.2.60.0120.00317.29
7.2.00.0030.01019.64
7.1.200.0000.01015.87
7.1.100.0030.01318.55
7.1.70.0000.00817.52
7.1.60.0090.01519.32
7.1.50.0060.00617.28
7.1.00.0000.08022.89
7.0.200.0000.00717.31
7.0.140.0000.07722.45
7.0.60.0070.08020.31
7.0.50.0070.04718.12
7.0.40.0070.09020.27
7.0.30.0330.04020.65
7.0.20.0230.04020.34
7.0.10.0070.04320.25
7.0.00.0170.06720.41
5.6.280.0000.07721.29
5.6.210.0130.07720.98
5.6.200.0030.05718.46
5.6.190.0030.05720.73
5.6.180.0430.04720.81
5.6.170.0330.06721.02
5.6.160.0030.04320.88
5.6.150.0000.04718.56
5.6.140.0070.03718.38
5.6.130.0100.05718.44
5.6.120.0070.05021.37
5.6.110.0000.09021.30
5.6.100.0070.08721.52
5.6.90.0100.04321.36
5.6.80.0100.04020.76
5.5.350.0070.05720.83
5.5.340.0100.08718.18
5.5.330.0030.04320.53
5.5.320.0270.08320.51
5.5.310.0230.07320.59
5.5.300.0000.04318.17
5.5.290.0070.04718.23
5.5.280.0030.07321.07
5.5.270.0100.08021.18
5.5.260.0100.08021.14
5.5.250.0130.06021.06
5.5.240.0200.08020.49
5.4.450.0130.03019.89
5.4.440.0630.04019.73
5.4.430.0630.03719.48
5.4.420.0670.00019.71
5.4.410.0670.00019.58
5.4.400.0630.00019.52
5.4.390.0630.00019.08
5.4.380.0630.00019.24
5.4.370.0670.00019.10
5.4.360.0630.00019.37
5.4.350.0630.00019.04
5.4.340.0050.03512.03
5.4.320.0050.03612.52
5.4.310.0080.03512.51
5.4.300.0050.03712.51
5.4.290.0080.03612.51
5.4.280.0050.03612.41
5.4.270.0060.03812.41
5.4.260.0040.04012.41
5.4.250.0090.04212.41
5.4.240.0050.03912.41
5.4.230.0070.03912.40
5.4.220.0040.03812.40
5.4.210.0060.03512.40
5.4.200.0080.03512.40
5.4.190.0080.04312.40
5.4.180.0070.03512.40
5.4.170.0050.03612.41
5.4.160.0050.04112.40
5.4.150.0080.03412.40
5.4.140.0060.03512.09
5.4.130.0040.03612.07
5.4.120.0070.03512.03
5.4.110.0040.03612.03
5.4.100.0030.03812.02
5.4.90.0060.03712.02
5.4.80.0050.04612.03
5.4.70.0040.03612.02
5.4.60.0050.03712.02
5.4.50.0040.03712.02
5.4.40.0040.03812.01
5.4.30.0050.03512.01
5.4.20.0060.03512.01
5.4.10.0070.03312.01
5.4.00.0050.03611.50
5.3.290.0080.03712.80
5.3.280.0070.03612.71
5.3.270.0090.05012.72
5.3.260.0080.04412.72
5.3.250.0040.04012.72
5.3.240.0070.03812.72
5.3.230.0040.03912.71
5.3.220.0070.03612.68
5.3.210.0070.03812.68
5.3.200.0070.03612.68
5.3.190.0070.03712.68
5.3.180.0060.03712.67
5.3.170.0070.03612.67
5.3.160.0040.03812.67
5.3.150.0050.03712.67
5.3.140.0060.03612.66
5.3.130.0100.03412.66
5.3.120.0040.04112.66
5.3.110.0090.03512.66
5.3.100.0060.03712.14
5.3.90.0050.03712.13
5.3.80.0070.03712.12
5.3.70.0050.03712.12
5.3.60.0080.03512.11
5.3.50.0050.03912.05
5.3.40.0050.03712.05
5.3.30.0030.04112.01
5.3.20.0080.03811.79
5.3.10.0070.03311.75
5.3.00.0050.03511.74
5.2.170.0060.0289.24
5.2.160.0030.0319.25
5.2.150.0040.0409.24
5.2.140.0040.0319.24
5.2.130.0070.0279.20
5.2.120.0060.0369.20
5.2.110.0040.0309.21
5.2.100.0050.0289.20
5.2.90.0040.0339.20
5.2.80.0060.0289.20
5.2.70.0020.0329.20
5.2.60.0020.0329.16
5.2.50.0060.0289.12
5.2.40.0050.0299.10
5.2.30.0060.0299.07
5.2.20.0020.0339.07
5.2.10.0040.0299.02
5.2.00.0060.0288.88
5.1.60.0020.0278.16
5.1.50.0050.0258.16
5.1.40.0060.0238.14
5.1.30.0050.0288.48
5.1.20.0040.0278.51
5.1.10.0020.0288.23
5.1.00.0010.0298.23
5.0.50.0050.0196.71
5.0.40.0040.0196.57
5.0.30.0030.0316.38
5.0.20.0060.0166.37
5.0.10.0050.0176.34
5.0.00.0040.0296.34
4.4.90.0000.0184.78
4.4.80.0050.0144.75
4.4.70.0030.0164.75
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0020.0284.72
4.4.30.0020.0164.76
4.4.20.0010.0184.84
4.4.10.0040.0144.85
4.4.00.0020.0254.76
4.3.110.0020.0244.67
4.3.100.0030.0154.66
4.3.90.0060.0164.64
4.3.80.0030.0244.64
4.3.70.0030.0144.63
4.3.60.0040.0164.63
4.3.50.0030.0154.63
4.3.40.0030.0254.58
4.3.30.0020.0203.40
4.3.20.0030.0183.37
4.3.10.0000.0183.33
4.3.00.0000.02010.61

preferences:
44.44 ms | 401 KiB | 5 Q