3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$number = 4619191942746344941; $pack = pack('H*', '401AAA9930BE0DED'); $pack = strrev($pack); var_dump(unpack('d', $pack)[1]);

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)
8.3.70.0090.00916.58
8.3.60.0040.01118.55
8.3.50.0090.01022.78
8.3.40.0040.01118.58
8.3.30.0070.00719.12
8.3.20.0000.00720.20
8.3.10.0040.00423.54
8.3.00.0050.00319.13
8.2.180.0090.00618.54
8.2.170.0070.00718.91
8.2.160.0070.00720.52
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0080.00021.01
8.2.110.0030.00620.47
8.2.100.0110.00017.84
8.2.90.0040.00418.86
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0030.00618.22
8.2.50.0080.00018.16
8.2.40.0000.00720.52
8.2.30.0030.00619.13
8.2.20.0040.00417.56
8.2.10.0070.00017.97
8.2.00.0000.00717.59
8.1.280.0100.01025.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00922.21
8.1.230.0070.00417.89
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.53
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0000.00818.83
8.1.150.0000.00718.70
8.1.140.0000.00717.31
8.1.130.0000.00717.73
8.1.120.0050.00217.39
8.1.110.0030.00517.32
8.1.100.0040.00417.28
8.1.90.0050.00317.41
8.1.80.0030.00517.39
8.1.70.0000.00717.39
8.1.60.0040.00417.44
8.1.50.0030.00617.51
8.1.40.0000.00817.40
8.1.30.0030.00617.57
8.1.20.0050.00217.50
8.1.10.0030.00517.41
8.1.00.0000.00817.37
8.0.300.0000.00718.77
8.0.290.0070.00416.63
8.0.280.0000.00718.43
8.0.270.0000.00717.21
8.0.260.0060.00017.15
8.0.250.0000.00616.89
8.0.240.0000.00716.89
8.0.230.0070.00016.87
8.0.220.0000.00716.85
8.0.210.0050.00216.76
8.0.200.0040.00416.93
8.0.190.0070.00016.87
8.0.180.0040.00416.83
8.0.170.0030.00516.89
8.0.160.0040.00316.84
8.0.150.0060.00316.65
8.0.140.0040.00416.77
8.0.130.0040.00413.24
8.0.120.0040.00416.69
8.0.110.0040.00416.73
8.0.100.0000.00716.87
8.0.90.0000.00716.86
8.0.80.0110.00416.82
8.0.70.0000.00716.79
8.0.60.0040.00416.83
8.0.50.0040.00416.77
8.0.30.0160.00917.23
8.0.20.0130.01017.40
8.0.10.0050.00316.83
8.0.00.0150.00516.57
7.4.330.0030.00315.00
7.4.320.0030.00316.36
7.4.300.0000.00616.42
7.4.290.0030.00316.52
7.4.280.0050.00516.41
7.4.270.0070.00016.55
7.4.260.0060.00316.44
7.4.250.0050.00216.36
7.4.240.0020.00516.46
7.4.230.0030.00316.52
7.4.220.0100.00816.50
7.4.210.0060.00916.64
7.4.200.0050.00216.63
7.4.160.0170.00016.55
7.4.150.0150.00317.40
7.4.140.0140.00417.86
7.4.130.0060.01116.40
7.4.120.0090.00816.35
7.4.110.0100.00716.41
7.4.100.0120.00916.38
7.4.90.0130.00716.60
7.4.80.0030.02119.39
7.4.70.0030.01216.32
7.4.60.0150.00916.49
7.4.50.0080.00016.47
7.4.40.0100.00716.59
7.4.30.0120.00416.49
7.4.00.0030.01314.95
7.3.330.0000.00613.04
7.3.320.0030.00313.04
7.3.310.0050.00216.16
7.3.300.0040.00416.24
7.3.290.0060.00716.19
7.3.280.0050.01116.23
7.3.270.0070.01117.40
7.3.260.0090.00916.18
7.3.250.0100.00916.42
7.3.240.0060.01016.23
7.3.230.0110.00716.45
7.3.210.0130.00316.42
7.3.200.0100.01419.39
7.3.190.0120.00316.26
7.3.180.0130.00316.23
7.3.170.0000.01716.31
7.3.160.0080.00816.57
7.2.330.0090.01316.32
7.2.320.0130.00416.55
7.2.310.0130.00616.31
7.2.300.0000.01616.43
7.2.290.0090.00616.68
7.2.60.0080.00416.53
7.2.00.0000.01419.08
7.1.200.0240.00615.23
7.1.100.0070.00417.66
7.1.70.0000.00717.25
7.1.60.0140.01119.46
7.1.50.0100.01017.07
7.1.00.0070.07322.57
7.0.200.0000.01016.59
7.0.140.0070.06721.92
7.0.60.0030.06319.89
7.0.50.0100.07717.82
7.0.40.0070.08720.30
7.0.30.0300.05320.17
7.0.20.0170.04020.09
7.0.10.0030.04320.18
7.0.00.0030.07320.14
5.6.280.0070.07021.11
5.6.210.0100.08320.72
5.6.200.0030.04018.19
5.6.190.0030.04720.49
5.6.180.0330.04320.41
5.6.170.0300.07720.50
5.6.160.0100.08320.54
5.6.150.0070.04318.22
5.6.140.0100.08018.11
5.6.130.0000.07018.20
5.6.120.0030.08720.73
5.6.110.0030.07721.08
5.6.100.0070.06721.07
5.6.90.0030.08021.02
5.6.80.0030.03720.39
5.5.350.0300.07320.42
5.5.340.0000.04017.88
5.5.330.0170.06320.42
5.5.320.0300.06020.23
5.5.310.0300.02720.26
5.5.300.0100.04017.91
5.5.290.0130.06717.97
5.5.280.0100.04020.77
5.5.270.0070.05020.91
5.5.260.0200.06720.95
5.5.250.0170.07020.77
5.5.240.0270.07320.25
5.4.450.0300.07019.39
5.4.440.0270.06719.11
5.4.430.0300.05319.42
5.4.420.0370.06319.41
5.4.410.0270.04019.44
5.4.400.0370.05319.08
5.4.390.0300.05719.09
5.4.380.0200.06319.09
5.4.370.0270.04719.24
5.4.360.0270.07319.09
5.4.350.0270.07719.16
5.4.340.0300.07018.93
5.4.320.0270.04718.93
5.4.310.0400.05319.21
5.4.300.0400.06718.88
5.4.290.0270.05319.21
5.4.280.0300.07019.09
5.4.270.0300.05719.07
5.4.260.0270.05719.09
5.4.250.0300.06019.21
5.4.240.0130.04718.92
5.4.230.0170.04319.09
5.4.220.0130.04019.24
5.4.210.0200.03319.13
5.4.200.0170.03718.88
5.4.190.0170.03719.05
5.4.180.0100.04718.92
5.4.170.0200.03319.21
5.4.160.0200.03319.11
5.4.150.0170.04319.21
5.4.140.0130.03716.45
5.4.130.0270.03716.32
5.4.120.0100.04016.33
5.4.110.0130.04316.42
5.4.100.0200.03016.21
5.4.90.0230.02716.37
5.4.80.0170.03316.18
5.4.70.0130.03716.32
5.4.60.0070.04716.36
5.4.50.0230.03016.45
5.4.40.0130.03716.17
5.4.30.0130.03716.48
5.4.20.0200.04016.43
5.4.10.0200.03316.40
5.4.00.0170.03315.67
5.3.290.0300.07714.62
5.3.280.0230.03714.69
5.3.270.0170.04314.55
5.3.260.0170.04014.65
5.3.250.0230.03014.45
5.3.240.0130.03714.56
5.3.230.0200.03314.53
5.3.220.0200.03314.52
5.3.210.0170.03714.62
5.3.200.0230.02714.48
5.3.190.0130.04014.51
5.3.180.0170.03314.47
5.3.170.0070.04314.44
5.3.160.0200.03714.47
5.3.150.0130.04014.52
5.3.140.0070.04314.41
5.3.130.0170.03714.57
5.3.120.0100.04314.48
5.3.110.0200.03314.53
5.3.100.0300.03714.02
5.3.90.0170.03713.93
5.3.80.0200.04313.86
5.3.70.0200.04014.05
5.3.60.0270.04013.96
5.3.50.0300.06313.89
5.3.40.0230.03313.80
5.3.30.0130.04713.74
5.3.20.0270.05013.66
5.3.10.0270.06013.50
5.3.00.0300.06313.54
5.2.170.0230.03012.17
5.2.160.0200.05712.17
5.2.150.0130.04712.17
5.2.140.0200.06012.17
5.2.130.0230.05712.17
5.2.120.0270.06312.17
5.2.110.0270.04312.17
5.2.100.0200.06312.17
5.2.90.0270.05312.17
5.2.80.0170.04312.17
5.2.70.0230.05712.17
5.2.60.0300.04712.17
5.2.50.0200.05012.17
5.2.40.0230.05312.17
5.2.30.0200.05312.17
5.2.20.0200.06012.17
5.2.10.0230.05012.17
5.2.00.0200.04012.17
5.1.60.0230.01712.17
5.1.50.0200.05312.17
5.1.40.0230.04712.17
5.1.30.0130.04712.17
5.1.20.0200.03312.17
5.1.10.0170.03712.17
5.1.00.0170.04012.17
5.0.50.0130.04012.17
5.0.40.0100.03712.17
5.0.30.0070.04712.17
5.0.20.0130.03012.17
5.0.10.0070.03012.17
5.0.00.0100.04012.17
4.4.90.0130.02312.17
4.4.80.0100.03712.17
4.4.70.0070.03012.17
4.4.60.0100.03712.17
4.4.50.0070.03012.17
4.4.40.0100.02712.17
4.4.30.0130.02312.17
4.4.20.0070.02712.17
4.4.10.0100.03712.17
4.4.00.0070.04012.17
4.3.110.0070.03012.17
4.3.100.0070.02312.17
4.3.90.0170.02012.17
4.3.80.0070.05312.17
4.3.70.0130.02312.17
4.3.60.0100.02312.17
4.3.50.0100.02312.17
4.3.40.0130.04012.17
4.3.30.0030.02712.17
4.3.20.0100.03312.17
4.3.10.0030.04012.17
4.3.00.0070.04012.17

preferences:
66.95 ms | 401 KiB | 5 Q