3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = '406429c28f5c28f6'; $num = unpack('d', strrev(hex2bin($data))); var_dump($num);

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)
8.3.60.0100.01018.03
8.3.50.0120.00521.90
8.3.40.0100.00618.41
8.3.30.0030.01018.84
8.3.20.0000.00720.04
8.3.10.0060.00323.48
8.3.00.0040.00420.82
8.2.180.0030.01416.38
8.2.170.0100.00322.96
8.2.160.0070.00720.26
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0130.00620.84
8.2.110.0070.00320.99
8.2.100.0040.00817.66
8.2.90.0000.00718.22
8.2.80.0000.00817.97
8.2.70.0040.00417.80
8.2.60.0040.00417.91
8.2.50.0040.00418.10
8.2.40.0050.00322.38
8.2.30.0050.00218.17
8.2.20.0020.00517.71
8.2.10.0040.00418.11
8.2.00.0050.00317.57
8.1.280.0070.00725.92
8.1.270.0050.00323.88
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00423.77
8.1.230.0070.00420.85
8.1.220.0040.00417.76
8.1.210.0040.00418.90
8.1.200.0000.00817.23
8.1.190.0060.00317.10
8.1.180.0000.00818.10
8.1.170.0030.00618.66
8.1.160.0020.00522.00
8.1.150.0050.00218.61
8.1.140.0040.00417.36
8.1.130.0030.00317.81
8.1.120.0030.00417.45
8.1.110.0050.00217.26
8.1.100.0000.00717.23
8.1.90.0080.00017.37
8.1.80.0000.00817.40
8.1.70.0000.00817.38
8.1.60.0040.00417.50
8.1.50.0040.00417.42
8.1.40.0080.00017.32
8.1.30.0080.00017.56
8.1.20.0000.00817.54
8.1.10.0080.00017.41
8.1.00.0040.00417.23
8.0.300.0050.00320.01
8.0.290.0050.00316.63
8.0.280.0070.00018.26
8.0.270.0040.00417.19
8.0.260.0030.00317.18
8.0.250.0040.00416.74
8.0.240.0030.00316.86
8.0.230.0030.00316.71
8.0.220.0000.00716.77
8.0.210.0030.00316.72
8.0.200.0060.00016.71
8.0.190.0030.00316.84
8.0.180.0080.00016.89
8.0.170.0050.00316.86
8.0.160.0030.00316.82
8.0.150.0000.00716.76
8.0.140.0000.00816.73
8.0.130.0060.00013.21
8.0.120.0070.00316.71
8.0.110.0040.00416.73
8.0.100.0000.00816.89
8.0.90.0040.00416.71
8.0.80.0060.00916.79
8.0.70.0040.00416.64
8.0.60.0000.00716.63
8.0.50.0040.00416.80
8.0.30.0110.00916.82
8.0.20.0130.00817.40
8.0.10.0050.00316.95
8.0.00.0090.01116.73
7.4.330.0000.00515.00
7.4.320.0000.00716.47
7.4.300.0000.00616.51
7.4.290.0000.00616.52
7.4.280.0070.00016.35
7.4.270.0070.00016.52
7.4.260.0030.00316.38
7.4.250.0030.00516.53
7.4.240.0020.00516.46
7.4.230.0030.00316.40
7.4.220.0060.01216.39
7.4.210.0070.00716.39
7.4.200.0070.00016.53
7.4.190.0060.00316.39
7.4.160.0140.00816.50
7.4.150.0170.00017.40
7.4.140.0120.00517.86
7.4.130.0090.00916.48
7.4.120.0090.00816.44
7.4.110.0100.00716.26
7.4.100.0130.00616.30
7.4.90.0140.00416.32
7.4.80.0030.01419.39
7.4.70.0090.00616.41
7.4.60.0030.01216.30
7.4.50.0040.00416.37
7.4.40.0090.00616.20
7.4.30.0090.00616.32
7.4.00.0000.01314.69
7.3.330.0060.00013.02
7.3.320.0050.00012.86
7.3.310.0000.00916.21
7.3.300.0000.00716.11
7.3.290.0030.01416.08
7.3.280.0100.00516.13
7.3.270.0120.00617.40
7.3.260.0110.00716.32
7.3.250.0100.00916.46
7.3.240.0120.00916.23
7.3.230.0100.01016.39
7.3.210.0050.01116.23
7.3.200.0110.00519.39
7.3.190.0070.01016.09
7.3.180.0080.00816.21
7.3.170.0080.00916.27
7.3.160.0070.01016.40
7.3.120.0000.01414.65
7.2.330.0080.00816.43
7.2.320.0110.01016.35
7.2.310.0050.01416.50
7.2.300.0070.01016.29
7.2.290.0080.00816.50
7.2.60.0150.00616.34
7.1.200.0060.00315.85
7.1.70.0030.00716.86
7.1.60.0070.01519.70
7.1.50.0150.01216.88
7.1.00.0030.07322.28
7.0.200.0000.00816.57
7.0.140.0100.06722.04
7.0.60.0030.05319.91
7.0.50.0030.05017.63
7.0.40.0200.06320.09
7.0.30.0430.06020.04
7.0.20.0230.04020.04
7.0.10.0030.08320.16
7.0.00.0030.06020.13
5.6.280.0070.07020.77
5.6.210.0030.08320.54
5.6.200.0070.08318.23
5.6.190.0030.04720.60
5.6.180.0270.05320.60
5.6.170.0430.06320.35
5.6.160.0170.04020.46
5.6.150.0030.08018.11
5.6.140.0030.08718.21
5.6.130.0030.07718.07
5.6.120.0130.06720.98
5.6.110.0130.08020.97
5.6.100.0030.07321.01
5.6.90.0070.07020.95
5.6.80.0070.07720.50
5.5.350.0100.07720.38
5.5.340.0030.08317.88
5.5.330.0070.04020.43
5.5.320.0200.04320.20
5.5.310.0200.04320.32
5.5.300.0000.04317.97
5.5.290.0070.04018.00
5.5.280.0000.05020.73
5.5.270.0070.07720.87
5.5.260.0230.05720.78
5.5.250.0030.04720.48
5.5.240.2570.04020.23
5.4.450.0330.04719.55
5.4.440.0170.02319.24
5.4.430.0170.04319.41
5.4.420.0230.03319.41
5.4.410.0230.05018.97
5.4.400.0470.04019.24
5.4.390.0330.03319.25
5.4.380.0370.05718.73
5.4.370.0170.05318.77
5.4.360.0230.05018.50
5.4.350.0130.07018.42
5.4.340.0130.05318.65
5.4.320.0060.04512.45
5.4.310.0050.03912.45
5.4.300.0070.03512.45
5.4.290.0080.03812.45
5.4.280.0060.03812.35
5.4.270.0040.03712.34
5.4.260.0070.03712.35
5.4.250.0070.03712.35
5.4.240.0060.03712.34
5.4.230.0100.03512.34
5.4.220.0080.03412.34
5.4.210.0040.03612.34
5.4.200.0070.03712.34
5.4.190.0050.03812.33
5.4.180.0040.03712.33
5.4.170.0090.03712.34
5.4.160.0100.04712.34
5.4.150.0080.04912.34
5.4.140.0040.05612.02
5.4.130.0050.05112.01
5.4.120.0130.04611.96
5.4.110.0030.05611.96
5.4.100.0090.04711.96
5.4.90.0120.05011.96
5.4.80.0060.04111.96
5.4.70.0070.05111.96
5.4.60.0070.03611.96
5.4.50.0050.03511.96
5.4.40.0030.03811.95
5.4.30.0060.03611.95
5.4.20.0070.04111.95
5.4.10.0130.04111.95
5.4.00.0050.03711.44
5.3.290.0030.04312.80
5.3.280.0050.03912.71
5.3.270.0090.03812.72
5.3.260.0020.04512.72
5.3.250.0090.05012.72
5.3.240.0110.05212.72
5.3.230.0100.04312.71
5.3.220.0080.05412.68
5.3.210.0050.04212.68
5.3.200.0080.03512.68
5.3.190.0070.03812.68
5.3.180.0050.04212.67
5.3.170.0100.03412.67
5.3.160.0070.03712.68
5.3.150.0050.04112.67
5.3.140.0090.03412.66
5.3.130.0150.05412.66
5.3.120.0120.06912.66
5.3.110.0100.06312.66
5.3.100.0070.03712.12
5.3.90.0080.03812.09
5.3.80.0090.03512.07
5.3.70.0060.03712.07
5.3.60.0080.03512.07
5.3.50.0090.03512.00
5.3.40.0110.05112.00
5.3.30.0080.03911.95
5.3.20.0060.03811.73
5.3.10.0060.03811.70
5.3.00.0090.03411.68
5.2.170.0050.0309.18
5.2.160.0030.0379.18
5.2.150.0050.0309.18
5.2.140.0070.0309.18
5.2.130.0060.0309.14
5.2.120.0070.0409.14
5.2.110.0060.0409.15
5.2.100.0070.0419.14
5.2.90.0060.0529.14
5.2.80.0060.0439.13
5.2.70.0060.0429.13
5.2.60.0060.0339.09
5.2.50.0040.0349.05
5.2.40.0040.0319.04
5.2.30.0080.0399.01
5.2.20.0060.0339.00
5.2.10.0030.0338.92
5.2.00.0050.0318.78
5.1.60.0080.0248.07
5.1.50.0030.0268.06
5.1.40.0030.0258.04
5.1.30.0060.0248.39
5.1.20.0080.0398.41
5.1.10.0080.0358.14
5.1.00.0040.0268.14
5.0.50.0050.0196.62
5.0.40.0060.0206.47
5.0.30.0020.0346.29
5.0.20.0030.0196.26
5.0.10.0040.0196.24
5.0.00.0050.0286.23
4.4.90.0010.0164.78
4.4.80.0000.0174.75
4.4.70.0010.0184.75
4.4.60.0040.0144.76
4.4.50.0040.0164.77
4.4.40.0030.0304.71
4.4.30.0000.0184.76
4.4.20.0040.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0284.76
4.3.110.0040.0204.67
4.3.100.0040.0164.66
4.3.90.0050.0154.64
4.3.80.0060.0274.58
4.3.70.0050.0194.63
4.3.60.0020.0224.63
4.3.50.0040.0204.63
4.3.40.0090.0534.54
4.3.30.0030.0203.28
4.3.20.0020.0213.25
4.3.10.0110.0673.21
4.3.00.0130.01716.93

preferences:
37.18 ms | 401 KiB | 5 Q