3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'O:18:"ReflectionFunction":1:{s:4:"name";s:2:"<>";}'; $obj1 = unserialize($str); var_dump($obj1); //echo $obj; $obj2 = new ReflectionFunction('phpinfo');; var_dump(serialize($obj2)); echo $obj2, "\n"; echo $obj1;

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)
8.3.60.0140.00718.32
8.3.50.0090.01322.04
8.3.40.0090.00618.76
8.3.30.0070.00719.04
8.3.20.0040.00420.04
8.3.10.0060.00323.61
8.3.00.0090.00017.50
8.2.180.0100.00316.75
8.2.170.0110.00422.96
8.2.160.0030.01020.52
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0070.00722.23
8.2.110.0030.00720.34
8.2.100.0040.00818.03
8.2.90.0000.00719.09
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0030.00619.76
8.2.30.0050.00217.91
8.2.20.0070.00017.74
8.2.10.0070.00017.98
8.2.00.0000.00817.68
8.1.280.0110.00725.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00923.79
8.1.230.0120.00019.08
8.1.220.0040.00417.75
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0020.00517.23
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0040.00421.91
8.1.150.0040.00418.73
8.1.140.0070.00017.43
8.1.130.0070.00017.82
8.1.120.0000.00717.40
8.1.110.0070.00017.36
8.1.100.0030.00417.36
8.1.90.0000.00717.39
8.1.80.0000.00717.43
8.1.70.0030.00317.33
8.1.60.0040.00417.43
8.1.50.0080.00017.44
8.1.40.0050.00317.55
8.1.30.0030.00517.59
8.1.20.0050.00317.66
8.1.10.0040.00417.50
8.1.00.0000.00817.52
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0040.00418.39
8.0.270.0030.00317.21
8.0.260.0000.00617.14
8.0.250.0040.00417.00
8.0.240.0030.00316.93
8.0.230.0040.00416.82
8.0.220.0000.00716.77
8.0.210.0000.00816.80
8.0.200.0030.00516.81
8.0.190.0040.00416.95
8.0.180.0000.00816.90
8.0.170.0000.00816.82
8.0.160.0000.00716.93
8.0.150.0000.00716.77
8.0.140.0040.00416.73
8.0.130.0000.00513.39
8.0.120.0050.00316.78
8.0.110.0070.00016.91
8.0.100.0040.00416.74
8.0.90.0040.00416.84
8.0.80.0100.00616.88
8.0.70.0000.00716.96
8.0.60.0030.00517.00
8.0.50.0000.00716.76
8.0.30.0150.00817.11
8.0.20.0050.01417.40
8.0.10.0000.00716.83
8.0.00.0120.00716.80
7.4.330.0000.00415.00
7.4.320.0060.00016.39
7.4.300.0030.00316.49
7.4.290.0080.00016.52
7.4.280.0030.00516.42
7.4.270.0030.00316.59
7.4.260.0060.00316.55
7.4.250.0000.00716.47
7.4.240.0020.00516.58
7.4.230.0070.00016.51
7.4.220.0110.01116.38
7.4.210.0100.00316.50
7.4.200.0000.00716.61
7.4.160.0100.00616.52
7.4.150.0090.01017.40
7.4.140.0040.01417.86
7.4.130.0100.00716.57
7.4.120.0060.01116.57
7.4.110.0140.00316.46
7.4.100.0110.00616.60
7.4.90.0060.01116.50
7.4.80.0120.00619.39
7.4.70.0060.01316.57
7.4.60.0030.01316.41
7.4.50.0000.00916.47
7.4.40.0140.00716.36
7.4.30.0030.01316.41
7.4.00.0130.00315.07
7.3.330.0060.00013.16
7.3.320.0060.00013.09
7.3.310.0070.00016.40
7.3.300.0030.00316.32
7.3.290.0000.01416.35
7.3.280.0100.00716.27
7.3.270.0040.01317.40
7.3.260.0070.01016.38
7.3.250.0130.00516.27
7.3.240.0140.00816.32
7.3.230.0040.01216.43
7.3.210.0140.00316.37
7.3.200.0060.01619.39
7.3.190.0130.00416.52
7.3.180.0110.00616.43
7.3.170.0030.01316.27
7.3.160.0110.00916.45
7.2.330.0080.00916.41
7.2.320.0140.00316.63
7.2.310.0180.00616.75
7.2.300.0070.01016.77
7.2.290.0100.00716.61
7.2.60.0130.00316.42
7.2.00.0000.01219.27
7.1.200.0060.00315.67
7.1.100.0070.00317.98
7.1.70.0050.00317.09
7.1.60.0040.01519.32
7.1.50.0070.01416.64
7.1.00.0100.07022.51
7.0.200.0000.00716.83
7.0.140.0070.07022.00
7.0.60.0070.08719.95
7.0.50.0130.06717.93
7.0.40.0070.08720.30
7.0.30.0400.05020.30
7.0.20.0230.04720.04
7.0.10.0100.08720.19
7.0.00.0070.04020.16
5.6.280.0030.07320.89
5.6.210.0030.08320.54
5.6.200.0070.04318.12
5.6.190.0070.04320.78
5.6.180.0370.06020.57
5.6.170.0270.07720.45
5.6.160.0100.07020.52
5.6.150.0070.04718.21
5.6.140.0070.05318.17
5.6.130.0070.05018.16
5.6.120.0070.07320.84
5.6.110.0200.05721.08
5.6.100.0130.07020.99
5.6.90.0100.06321.00
5.6.80.0100.07720.39
5.5.350.0170.08020.36
5.5.340.0100.07717.92
5.5.330.0030.04020.29
5.5.320.0430.07320.34
5.5.310.0330.07020.30
5.5.300.0130.05717.92
5.5.290.0000.06317.87
5.5.280.0100.04020.64
5.5.270.0070.04720.74
5.5.260.0070.05320.78
5.5.250.0070.08020.54
5.5.240.0230.07320.13
5.4.450.0630.06719.53
5.4.440.0430.06319.56
5.4.430.0270.04319.44
5.4.420.0700.00019.32
5.4.410.0700.00019.22
5.4.400.0630.00019.03
5.4.390.0630.00019.19
5.4.380.0670.00019.16
5.4.370.0600.00019.08
5.4.360.0600.00018.95
5.4.350.0630.00019.08
5.4.340.0050.03411.98
5.4.320.0060.03612.46
5.4.310.0070.03612.45
5.4.300.0060.03612.46
5.4.290.0050.03812.45
5.4.280.0060.03612.35
5.4.270.0060.03612.35
5.4.260.0050.03812.36
5.4.250.0050.03812.35
5.4.240.0040.03812.35
5.4.230.0050.03712.34
5.4.220.0070.03412.35
5.4.210.0040.03712.35
5.4.200.0060.03612.35
5.4.190.0020.03912.34
5.4.180.0030.04012.34
5.4.170.0080.03312.35
5.4.160.0030.03912.35
5.4.150.0050.03612.35
5.4.140.0090.03412.03
5.4.130.0030.03912.02
5.4.120.0070.03511.98
5.4.110.0060.03511.97
5.4.100.0070.03411.97
5.4.90.0060.03711.97
5.4.80.0020.04011.97
5.4.70.0070.03411.96
5.4.60.0040.03711.96
5.4.50.0050.03511.97
5.4.40.0040.03511.96
5.4.30.0030.03811.96
5.4.20.0060.03511.96
5.4.10.0070.03311.96
5.4.00.0050.04111.45
5.3.290.0060.03912.80
5.3.280.0070.03912.71
5.3.270.0050.03912.72
5.3.260.0040.04012.72
5.3.250.0020.04112.72
5.3.240.0050.04012.72
5.3.230.0080.03712.70
5.3.220.0060.04112.68
5.3.210.0060.03912.68
5.3.200.0040.03812.68
5.3.190.0050.03812.68
5.3.180.0070.03512.67
5.3.170.0050.03812.66
5.3.160.0090.03312.68
5.3.150.0040.03812.68
5.3.140.0050.03712.66
5.3.130.0050.03912.66
5.3.120.0030.04212.66
5.3.110.0070.03712.66
5.3.100.0050.03712.12
5.3.90.0040.03712.08
5.3.80.0060.03712.08
5.3.70.0080.03412.07
5.3.60.0050.04012.06
5.3.50.0050.04712.00
5.3.40.0060.03612.00
5.3.30.0050.03711.96
5.3.20.0040.04111.73
5.3.10.0040.03611.70
5.3.00.0050.03611.69
5.2.170.0060.0299.19
5.2.160.0040.0499.19
5.2.150.0040.0359.19
5.2.140.0050.0309.20
5.2.130.0030.0329.15
5.2.120.0040.0309.14
5.2.110.0090.0249.15
5.2.100.0040.0289.15
5.2.90.0040.0309.15
5.2.80.0040.0309.14
5.2.70.0050.0309.15
5.2.60.0030.0319.10
5.2.50.0080.0299.07
5.2.40.0070.0299.05
5.2.30.0030.0329.02
5.2.20.0050.0299.01
5.2.10.0030.0328.93
5.2.00.0040.0308.79
5.1.60.0040.0248.07
5.1.50.0060.0238.07
5.1.40.0050.0288.05
5.1.30.0030.0288.40
5.1.20.0050.0278.43
5.1.10.0020.0288.15
5.1.00.0030.0278.14
5.0.50.0060.0176.63
5.0.40.0050.0176.49
5.0.30.0050.0296.29
5.0.20.0050.0186.27
5.0.10.0040.0196.24
5.0.00.0030.0316.24
4.4.90.0040.0164.78
4.4.80.0040.0164.75
4.4.70.0030.0164.75
4.4.60.0050.0164.75
4.4.50.0040.0174.77
4.4.40.0040.0274.70
4.4.30.0000.0184.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0040.0234.76
4.3.110.0030.0154.67
4.3.100.0020.0164.67
4.3.90.0060.0154.63
4.3.80.0000.0274.58
4.3.70.0020.0154.63
4.3.60.0030.0234.63
4.3.50.0020.0164.62
4.3.40.0020.0244.54
4.3.30.0030.0143.28
4.3.20.0020.0153.26
4.3.10.0010.0163.23
4.3.00.0030.0237.03

preferences:
80.67 ms | 401 KiB | 5 Q