3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Test { class Bar {} } namespace { $serialized = 'O:7:"Foo\Bar":0:{}'; class_alias('Foo\Bar', 'Foo\Test\Bar'); var_dump(unserialize($serialized)); }

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)
8.3.60.0180.00416.75
8.3.50.0140.00718.16
8.3.40.0070.00718.86
8.3.30.0070.00718.92
8.3.20.0080.00020.20
8.3.10.0060.00321.86
8.3.00.0000.00819.13
8.2.180.0000.02118.54
8.2.170.0070.00722.96
8.2.160.0100.01022.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.43
8.2.110.0050.00519.45
8.2.100.0070.00417.63
8.2.90.0030.00519.22
8.2.80.0000.00817.97
8.2.70.0040.00417.49
8.2.60.0030.00517.91
8.2.50.0090.00018.07
8.2.40.0000.00819.82
8.2.30.0020.00517.98
8.2.20.0020.00517.48
8.2.10.0070.00018.05
8.2.00.0030.00617.48
8.1.280.0090.00925.92
8.1.270.0050.00320.52
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0040.00817.42
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0040.00417.13
8.1.190.0060.00317.22
8.1.180.0030.00518.10
8.1.170.0040.00420.17
8.1.160.0070.00021.93
8.1.150.0000.00818.82
8.1.140.0000.00717.29
8.1.130.0000.00717.82
8.1.120.0040.00517.36
8.1.110.0000.00717.27
8.1.100.0000.00717.41
8.1.90.0030.00317.39
8.1.80.0040.00417.39
8.1.70.0000.00717.28
8.1.60.0050.00317.50
8.1.50.0040.00417.36
8.1.40.0050.00317.51
8.1.30.0040.00417.64
8.1.20.0040.00417.55
8.1.10.0030.00617.44
8.1.00.0040.00417.42
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.37
8.0.270.0070.00017.15
8.0.260.0030.00317.25
8.0.250.0000.00716.91
8.0.240.0060.00016.98
8.0.230.0000.00816.94
8.0.220.0030.00316.94
8.0.210.0000.00616.86
8.0.200.0000.00616.95
8.0.190.0040.00416.88
8.0.180.0000.00716.86
8.0.170.0080.00016.89
8.0.160.0030.00316.77
8.0.150.0040.00416.72
8.0.140.0030.00316.84
8.0.130.0050.00213.32
8.0.120.0070.00016.89
8.0.110.0050.00216.89
8.0.100.0000.00716.82
8.0.90.0000.00816.79
8.0.80.0130.00616.88
8.0.70.0070.00016.75
8.0.60.0000.00716.84
8.0.50.0040.00416.75
8.0.30.0090.01216.88
8.0.20.0130.00617.40
8.0.10.0040.00416.95
8.0.00.0130.00416.49
7.4.330.0020.00215.03
7.4.320.0000.00816.52
7.4.300.0000.00716.42
7.4.290.0040.00416.51
7.4.280.0040.00416.55
7.4.270.0000.00716.42
7.4.260.0030.00616.51
7.4.250.0000.00716.36
7.4.240.0010.00716.48
7.4.230.0030.00316.55
7.4.220.0120.01216.47
7.4.210.0070.00816.54
7.4.200.0000.00716.24
7.4.160.0000.01616.32
7.4.150.0060.01217.40
7.4.140.0100.00917.86
7.4.130.0090.01016.44
7.4.120.0100.00716.48
7.4.110.0170.00716.46
7.4.100.0100.01016.45
7.4.90.0070.01016.38
7.4.80.0140.00319.39
7.4.70.0090.00916.21
7.4.60.0120.00916.36
7.4.50.0070.00316.48
7.4.40.0060.01116.56
7.4.30.0070.01016.30
7.4.00.0000.01614.93
7.3.330.0030.00313.20
7.3.320.0080.00413.06
7.3.310.0040.00416.13
7.3.300.0000.00616.05
7.3.290.0030.00316.15
7.3.280.0070.01116.28
7.3.270.0060.01817.40
7.3.260.0080.00916.48
7.3.250.0090.01116.19
7.3.240.0120.00616.42
7.3.230.0070.01716.42
7.3.210.0030.01616.29
7.3.200.0060.01519.39
7.3.190.0110.00616.47
7.3.180.0070.01016.16
7.3.170.0150.00316.27
7.3.160.0080.00716.39
7.2.330.0070.01116.54
7.2.320.0100.00716.43
7.2.310.0080.00816.59
7.2.300.0060.01216.19
7.2.290.0060.01616.54
7.2.60.0060.00616.48
7.2.00.0030.01319.15
7.1.200.0060.00615.39
7.1.100.0150.00017.72
7.1.70.0100.00017.22
7.1.60.0100.01619.50
7.1.50.0110.01116.98
7.1.00.0000.07722.51
7.0.200.0400.00914.55
7.0.140.0000.07022.11
7.0.60.0100.06019.93
7.0.50.0070.04317.91
7.0.40.0030.09020.23
7.0.30.0330.03720.21
7.0.20.0330.08020.10
7.0.10.0230.08720.12
7.0.00.0030.06720.07
5.6.280.0000.07721.12
5.6.210.0070.07020.65
5.6.200.0070.07718.29
5.6.190.0030.04320.63
5.6.180.0300.04320.53
5.6.170.0270.06720.62
5.6.160.0100.06720.57
5.6.150.0130.03018.29
5.6.140.0000.05318.28
5.6.130.0000.09018.28
5.6.120.0130.06021.02
5.6.110.0000.04721.14
5.6.100.0200.07021.11
5.6.90.0000.08720.97
5.6.80.0100.06320.53
5.6.70.0330.06020.34
5.5.350.0100.04720.29
5.5.340.0000.04317.92
5.5.330.0100.07720.37
5.5.320.0130.06320.45
5.5.310.0230.08720.34
5.5.300.0000.04318.03
5.5.290.0100.07317.95
5.5.280.0100.07020.77
5.5.270.0070.08020.72
5.5.260.0130.05020.76
5.5.250.0130.08020.66
5.5.240.0130.07720.25
5.4.450.0570.05319.45
5.4.440.1100.06719.19
5.4.430.1070.05719.33
5.4.420.0770.05319.64
5.4.410.1030.06019.48
5.4.400.0230.05718.82
5.4.390.0230.05718.71
5.4.380.0300.05018.75
5.4.370.0300.05718.80
5.4.360.0330.04718.59
5.4.350.0370.05018.74
5.4.340.0270.05718.62
5.4.320.0300.05318.73
5.4.310.0270.06318.52
5.4.300.0300.04718.76
5.4.290.0300.05018.45
5.4.280.0200.06018.59
5.4.270.0300.05718.73
5.4.260.0300.06018.79
5.4.250.0270.05718.61
5.4.240.0330.05018.58
5.4.230.0230.05318.45
5.4.220.0300.05018.58
5.4.210.0300.04718.76
5.4.200.0230.05016.69
5.4.190.0300.05318.71
5.4.180.0200.05718.50
5.4.170.0300.05018.59
5.4.160.0300.05018.68
5.4.150.0300.04718.73
5.4.140.0270.05016.27
5.4.130.0270.05016.32
5.4.120.0200.05316.29
5.4.110.0400.05016.22
5.4.100.0300.05016.34
5.4.90.0330.04716.21
5.4.80.0300.04316.22
5.4.70.0200.05716.25
5.4.60.0400.03716.20
5.4.50.0370.04016.41
5.4.40.0300.04316.20
5.4.30.0400.04016.16
5.4.20.0300.05316.38
5.4.10.0230.05316.39
5.4.00.0300.05015.78
5.3.290.0230.05714.66
5.3.280.0230.05714.57
5.3.270.0270.05314.70
5.3.260.0270.05014.73
5.3.250.0300.05314.78
5.3.240.0230.05714.76
5.3.230.0300.04714.57
5.3.220.0300.05014.58
5.3.210.0400.04314.74
5.3.200.0400.04014.60
5.3.190.0300.04314.59
5.3.180.0370.04314.72
5.3.170.0270.05314.60
5.3.160.0270.05014.77
5.3.150.0230.05014.60
5.3.140.0200.05314.55
5.3.130.0200.05714.67
5.3.120.0170.06314.54
5.3.110.0170.06014.57
5.3.100.0170.06314.08
5.3.90.0270.05314.22
5.3.80.0200.05314.24
5.3.70.0230.05714.07
5.3.60.0330.05314.05
5.3.50.0200.05314.05
5.3.40.0230.06014.07
5.3.30.0200.06013.98
5.3.20.0230.06013.70
5.3.10.0230.05313.74
5.3.00.0270.05313.68
5.2.170.0270.03711.20
5.2.160.0270.04311.20
5.2.150.0200.04711.12
5.2.140.0300.03311.11
5.2.130.0330.05311.03
5.2.120.0170.04311.10
5.2.110.0230.04311.02
5.2.100.0270.03311.14
5.2.90.0130.05011.06
5.2.80.0130.04711.23
5.2.70.0200.04311.15
5.2.60.0200.04311.10
5.2.50.0270.05311.00
5.2.40.0230.05710.96
5.2.30.0130.06311.12
5.2.20.0130.04310.99
5.2.10.0330.04710.91
5.2.00.0200.04010.82
5.1.60.0070.0379.98
5.1.50.0100.03310.02
5.1.40.0270.03710.07
5.1.30.0300.02710.39
5.1.20.0230.03710.41
5.1.10.0230.04710.06
5.1.00.0130.04710.18
5.0.50.0170.0278.62
5.0.40.0170.0278.44
5.0.30.0170.0438.24
5.0.20.0100.0278.33
5.0.10.0100.0278.29
5.0.00.0070.0478.28
4.4.90.0070.0205.90
4.4.80.0070.0235.88
4.4.70.0130.0235.89
4.4.60.0070.0235.90
4.4.50.0070.0235.87
4.4.40.0200.0335.86
4.4.30.0100.0205.89
4.4.20.0070.0235.88
4.4.10.0100.0205.98
4.4.00.0000.0435.93
4.3.110.0070.0275.81
4.3.100.0100.0205.87
4.3.90.0030.0235.79
4.3.80.0100.0375.83
4.3.70.0070.0205.77
4.3.60.0070.0235.79
4.3.50.0070.0305.79
4.3.40.0170.0335.84
4.3.30.0030.0234.89
4.3.20.0070.0204.89
4.3.10.0070.0204.89
4.3.00.0100.0237.30

preferences:
42.69 ms | 400 KiB | 5 Q