3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($int) { $int = round($int); $left = 0xffffffff00000000; $right = 0x00000000ffffffff; $l = ($int & $left) >>32; $r = $int & $right; return unpack('d', pack('NN', $l, $r))[1]; } function decode($float){ $set = unpack('N2', pack('d', $float)); return $set[1] << 32 | $set[2]; } $float = encode(10000000000000); decode($float);

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)
8.3.60.0080.00616.88
8.3.50.0080.00721.95
8.3.40.0070.00718.65
8.3.30.0100.00319.20
8.3.20.0040.00420.25
8.3.10.0000.00823.78
8.3.00.0090.00019.50
8.2.180.0100.00318.54
8.2.170.0040.01122.96
8.2.160.0130.00020.51
8.2.150.0000.00724.18
8.2.140.0050.00224.66
8.2.130.0000.00826.16
8.2.120.0040.00422.23
8.2.110.0150.00422.28
8.2.100.0090.00318.03
8.2.90.0080.00019.33
8.2.80.0030.00517.97
8.2.70.0050.00717.75
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00618.21
8.2.30.0040.00418.18
8.2.20.0040.00417.87
8.2.10.0000.00820.03
8.2.00.0030.00617.79
8.1.280.0140.00725.92
8.1.270.0040.00423.71
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0140.00723.91
8.1.230.0030.00719.11
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0080.00017.55
8.1.180.0060.00318.10
8.1.170.0040.00418.57
8.1.160.0050.00322.06
8.1.150.0000.00718.64
8.1.140.0020.00517.45
8.1.130.0040.00417.84
8.1.120.0000.00917.33
8.1.110.0080.00017.51
8.1.100.0040.00417.48
8.1.90.0070.00017.45
8.1.80.0070.00017.34
8.1.70.0070.00017.37
8.1.60.0030.00617.54
8.1.50.0040.00417.58
8.1.40.0000.00717.59
8.1.30.0040.00417.72
8.1.20.0040.00417.71
8.1.10.0000.00817.66
8.1.00.0040.00417.43
8.0.300.0040.00420.91
8.0.290.0000.00717.28
8.0.280.0070.00018.41
8.0.270.0000.00717.28
8.0.260.0030.00317.20
8.0.250.0030.00516.89
8.0.240.0050.00216.98
8.0.230.0040.00417.05
8.0.220.0000.00716.92
8.0.210.0030.00316.95
8.0.200.0070.00017.07
8.0.190.0040.00416.89
8.0.180.0050.00216.90
8.0.170.0080.00017.05
8.0.160.0070.00016.95
8.0.150.0040.00416.88
8.0.140.0070.00016.74
8.0.130.0030.00313.31
8.0.120.0000.00716.85
8.0.110.0040.00416.84
8.0.100.0020.00516.88
8.0.90.0000.00716.77
8.0.80.0000.01716.88
8.0.70.0000.00816.85
8.0.60.0070.00016.89
8.0.50.0070.00016.85
8.0.30.0050.01217.08
8.0.20.0080.01017.40
8.0.10.0040.00416.91
8.0.00.0050.01216.71
7.4.330.0000.00515.09
7.4.320.0000.00716.41
7.4.300.0000.00716.45
7.4.290.0000.00716.64
7.4.280.0040.00416.65
7.4.270.0040.00416.56
7.4.260.0030.00316.64
7.4.250.0050.00316.54
7.4.240.0040.00416.62
7.4.230.0030.00316.74
7.4.220.0060.00916.63
7.4.210.0100.00416.66
7.4.200.0020.00516.57
7.4.190.0050.00216.44
7.4.160.0150.00016.66
7.4.150.0070.01617.40
7.4.140.0100.00717.86
7.4.130.0120.00416.51
7.4.120.0070.00916.67
7.4.110.0090.00916.57
7.4.100.0100.01116.53
7.4.90.0080.00816.61
7.4.80.0140.00319.39
7.4.70.0130.00316.48
7.4.60.0070.01016.55
7.4.50.0000.00816.44
7.4.40.0060.00922.77
7.4.30.0130.01316.57
7.4.00.0070.00715.00
7.3.330.0060.00013.43
7.3.320.0000.00813.38
7.3.310.0070.00016.46
7.3.300.0030.00316.31
7.3.290.0030.01116.38
7.3.280.0100.00616.44
7.3.270.0060.01217.40
7.3.260.0190.00716.51
7.3.250.0100.00716.58
7.3.240.0100.00716.57
7.3.230.0060.01016.49
7.3.210.0100.00716.62
7.3.200.0150.00619.39
7.3.190.0070.01016.61
7.3.180.0130.00616.41
7.3.170.0090.00616.61
7.3.160.0040.01516.51
7.3.120.0030.01015.07
7.3.110.0060.01014.54
7.3.100.0110.00414.70
7.3.90.0100.00714.81
7.3.80.0040.01214.83
7.3.70.0090.00614.66
7.3.60.0060.00614.66
7.3.50.0090.00614.67
7.3.40.0000.01214.79
7.3.30.0070.00714.77
7.3.20.0070.00716.72
7.3.10.0100.00516.68
7.3.00.0070.00516.76
7.2.330.0070.01016.45
7.2.320.0170.00016.76
7.2.310.0060.01216.80
7.2.300.0070.01016.73
7.2.290.0090.00616.50
7.2.240.0040.01414.97
7.2.230.0000.01215.00
7.2.220.0030.01614.89
7.2.210.0100.00714.86
7.2.200.0100.00615.07
7.2.190.0030.01214.79
7.2.180.0060.00914.72
7.2.170.0100.00714.96
7.2.160.0070.00715.07
7.2.150.0090.00617.07
7.2.140.0000.00916.64
7.2.130.0000.01216.89
7.2.120.0050.01116.91
7.2.110.0060.00916.82
7.2.100.0030.01016.95
7.2.90.0060.00617.00
7.2.80.0070.00616.99
7.2.70.0050.01016.98
7.2.60.0080.00616.87
7.2.50.0050.01216.90
7.2.40.0060.00816.84
7.2.30.0040.01216.96
7.2.20.0040.00916.93
7.2.10.0050.00916.96
7.2.00.0070.00516.97
7.1.330.0060.01016.14
7.1.320.0120.00615.74
7.1.310.0040.01115.99
7.1.300.0060.00915.85
7.1.290.0000.01115.50
7.1.280.0070.01015.87
7.1.270.0080.00615.80
7.1.260.0080.00415.74
7.1.250.0040.01115.84
7.1.70.0000.00917.21
7.1.60.0110.01419.46
7.1.50.0100.01617.04
7.1.00.0070.07322.61
7.0.200.0030.00616.75
7.0.140.0030.07022.09
7.0.60.0130.05020.17
7.0.50.0130.07317.93
7.0.40.0100.06020.24
7.0.30.0200.04720.30
7.0.20.0100.04720.24
7.0.10.0030.04320.14
7.0.00.0030.04320.24
5.6.280.0070.07020.99
5.6.210.0100.05320.81
5.6.200.0030.08318.25
5.6.190.0030.09020.57
5.6.180.0170.05020.54
5.6.170.0070.05020.54
5.6.160.0070.08318.25
5.6.150.0100.04318.22
5.6.140.0070.08318.27
5.6.130.0130.07018.30
5.6.120.0130.05021.15
5.6.110.0030.07721.12
5.6.100.0030.04721.09
5.6.90.0170.07321.06
5.6.80.0030.04020.61
5.5.350.0170.08020.48
5.5.340.0030.08318.18
5.5.330.0100.04020.35
5.5.320.0200.08020.47
5.5.310.0300.06020.54
5.5.300.0100.08018.07
5.5.290.0000.04318.06
5.5.280.0030.08721.04
5.5.270.0030.07020.81
5.5.260.0100.03720.86
5.5.250.0070.06720.65
5.5.240.0170.07720.30
5.4.450.0800.05319.37
5.4.440.0900.07019.48
5.4.430.0330.06319.47
5.4.420.0600.05319.16
5.4.410.0670.05319.03
5.4.400.0530.05319.14
5.4.390.0070.05719.04
5.4.380.0330.05318.80
5.4.370.0300.05018.70
5.4.360.0470.06018.74
5.4.350.0470.05018.62
5.4.340.0270.05018.59
5.4.320.0050.04212.51
5.4.310.0070.03612.50
5.4.300.0040.04112.51
5.4.290.0090.04012.49
5.4.280.0100.03812.39
5.4.270.0110.03812.39
5.4.260.0100.04912.39
5.4.250.0140.05012.38
5.4.240.0080.05812.39
5.4.230.0070.05412.38
5.4.220.0090.05312.38
5.4.210.0090.05412.38
5.4.200.0060.05512.38
5.4.190.0190.07012.38
5.4.180.0100.04012.38
5.4.170.0070.04312.38
5.4.160.0070.05112.38
5.4.150.0100.08512.38
5.4.140.0140.06812.06
5.4.130.0150.10812.05
5.4.120.0190.05612.01
5.4.110.0090.06812.00
5.4.100.0080.04212.00
5.4.90.0180.06012.00
5.4.80.0170.05412.00
5.4.70.0080.03812.00
5.4.60.0080.03812.00
5.4.50.0070.03712.00
5.4.40.0110.03011.99
5.4.30.0090.03311.98
5.4.20.0040.03911.98
5.4.10.0060.03711.98
5.4.00.0050.03711.47
5.3.290.0070.04112.80
5.3.280.0040.04112.71
5.3.270.0060.04012.73
5.3.260.0090.04012.72
5.3.250.0080.03812.72
5.3.240.0070.03812.72
5.3.230.0070.03912.71
5.3.220.0120.04812.68
5.3.210.0070.04112.68
5.3.200.0110.03312.68
5.3.190.0100.03812.68
5.3.180.0070.04212.68
5.3.170.0070.05512.67
5.3.160.0130.05012.67
5.3.150.0060.04312.68
5.3.140.0050.05012.66
5.3.130.0080.06312.66
5.3.120.0200.05412.65
5.3.110.0130.05112.66
5.3.100.0070.04712.13
5.3.90.0060.04112.11
5.3.80.0070.03812.10
5.3.70.0110.06612.09
5.3.60.0090.04912.08
5.3.50.0100.04912.02
5.3.40.0070.04912.02
5.3.30.0110.04111.98
5.3.20.0070.03911.77
5.3.10.0060.04011.73
5.3.00.0070.04711.72
5.2.170.0110.0349.22
5.2.160.0060.0469.22
5.2.150.0080.0379.22
5.2.140.0060.0339.22
5.2.130.0060.0309.18
5.2.120.0070.0269.18
5.2.110.0040.0329.18
5.2.100.0100.0329.18
5.2.90.0070.0309.18
5.2.80.0060.0449.18
5.2.70.0080.0409.18
5.2.60.0060.0359.13
5.2.50.0060.0449.09
5.2.40.0040.0429.07
5.2.30.0050.0349.04
5.2.20.0060.0339.05
5.2.10.0050.0428.95
5.2.00.0110.0318.81
5.1.60.0080.0248.09
5.1.50.0060.0308.09
5.1.40.0020.0298.07
5.1.30.0040.0318.43
5.1.20.0040.0318.44
5.1.10.0100.0268.17
5.1.00.0040.0288.17
5.0.50.0060.0206.64
5.0.40.0040.0216.51
5.0.30.0050.0326.32
5.0.20.0060.0216.29
5.0.10.0050.0226.26
5.0.00.0100.0276.25
4.4.90.0020.0184.77
4.4.80.0030.0174.75
4.4.70.0050.0154.75
4.4.60.0030.0164.75
4.4.50.0050.0154.77
4.4.40.0030.0264.71
4.4.30.0030.0184.76
4.4.20.0020.0184.84
4.4.10.0200.0404.85
4.4.00.0080.0264.76
4.3.110.0050.0184.67
4.3.100.0070.0144.67
4.3.90.0040.0154.64
4.3.80.0050.0244.58
4.3.70.0060.0124.63
4.3.60.0040.0154.63
4.3.50.0030.0164.63
4.3.40.0020.0254.54
4.3.30.0040.0173.30
4.3.20.0030.0163.28
4.3.10.0010.0173.24
4.3.00.0100.01010.31

preferences:
40.15 ms | 401 KiB | 5 Q