3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ private $bar; } $foo = new Foo(); var_dump($foo); $a = serialize($foo); echo PHP_EOL . $a . PHP_EOL; var_dump(unserialize($a));

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)
8.3.60.0070.00718.31
8.3.50.0050.00921.21
8.3.40.0140.00418.52
8.3.30.0030.01019.09
8.3.20.0000.00820.33
8.3.10.0090.00021.89
8.3.00.0000.00822.39
8.2.180.0220.00016.50
8.2.170.0110.00422.96
8.2.160.0130.00620.53
8.2.150.0070.01124.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0040.00419.66
8.2.110.0090.00022.17
8.2.100.0120.00019.38
8.2.90.0000.00819.05
8.2.80.0050.00319.25
8.2.70.0030.00617.50
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0040.00418.03
8.2.30.0070.00018.06
8.2.20.0040.00417.56
8.2.10.0040.00417.66
8.2.00.0040.00417.60
8.1.280.0090.00625.92
8.1.270.0030.01020.31
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.64
8.1.230.0070.00319.12
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0050.00217.54
8.1.180.0000.00718.83
8.1.170.0030.00518.56
8.1.160.0000.00822.04
8.1.150.0040.00418.69
8.1.140.0000.00717.34
8.1.130.0080.00017.76
8.1.120.0040.00417.45
8.1.110.0030.00517.33
8.1.100.0040.00417.34
8.1.90.0000.00717.42
8.1.80.0000.00717.50
8.1.70.0040.00417.34
8.1.60.0000.00817.58
8.1.50.0000.00717.54
8.1.40.0000.00817.48
8.1.30.0060.00317.48
8.1.20.0030.00517.71
8.1.10.0040.00417.57
8.1.00.0030.00717.55
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0050.00318.40
8.0.270.0070.00017.18
8.0.260.0060.00016.75
8.0.250.0000.00716.93
8.0.240.0000.00817.07
8.0.230.0080.00017.00
8.0.220.0030.00316.86
8.0.210.0000.00716.88
8.0.200.0050.00316.88
8.0.190.0040.00416.91
8.0.180.0040.00416.94
8.0.170.0050.00316.97
8.0.160.0030.00317.07
8.0.150.0060.00316.80
8.0.140.0030.00616.88
8.0.130.0030.00313.46
8.0.120.0040.00416.95
8.0.110.0050.00216.82
8.0.100.0030.00516.98
8.0.90.0000.00717.01
8.0.80.0070.01016.85
8.0.70.0000.00716.95
8.0.60.0030.00516.71
8.0.50.0000.00716.90
8.0.30.0130.00817.04
8.0.20.0080.01117.40
8.0.10.0040.00416.90
8.0.00.0090.00816.71
7.4.330.0000.00515.00
7.4.320.0040.00416.54
7.4.300.0000.00716.49
7.4.290.0000.00716.54
7.4.280.0030.00316.43
7.4.270.0030.00316.51
7.4.260.0000.00716.41
7.4.250.0000.00716.39
7.4.240.0030.00316.47
7.4.230.0000.00716.41
7.4.220.0070.01016.44
7.4.210.0060.01016.51
7.4.200.0050.00316.35
7.4.190.0000.00716.71
7.4.160.0170.00016.44
7.4.150.0150.00917.40
7.4.140.0120.01317.86
7.4.130.0120.00516.54
7.4.120.0070.01016.61
7.4.110.0140.00716.49
7.4.100.0100.00716.63
7.4.90.0060.01216.40
7.4.80.0090.00919.39
7.4.70.0100.00716.42
7.4.60.0100.00616.27
7.4.50.0040.00416.13
7.4.40.0090.00622.77
7.4.30.0100.00616.43
7.4.00.0070.01114.85
7.3.330.0020.00213.14
7.3.320.0030.00313.24
7.3.310.0000.00716.34
7.3.300.0000.00716.32
7.3.290.0070.00716.27
7.3.280.0060.01316.30
7.3.270.0090.01317.40
7.3.260.0090.00916.52
7.3.250.0110.00616.50
7.3.240.0100.00716.43
7.3.230.0070.01116.62
7.3.210.0040.01316.31
7.3.200.0120.00619.39
7.3.190.0040.01816.37
7.3.180.0190.00016.67
7.3.170.0090.00616.46
7.3.160.0050.01116.31
7.3.120.0030.01015.09
7.3.10.0040.00816.77
7.3.00.0060.00616.64
7.2.330.0150.00316.73
7.2.320.0080.01116.58
7.2.310.0080.00816.62
7.2.300.0130.01016.32
7.2.290.0120.00616.81
7.2.130.0060.00316.69
7.2.120.0000.01316.68
7.2.110.0050.00916.91
7.2.100.0090.00616.71
7.2.90.0140.00016.88
7.2.80.0080.00817.02
7.2.70.0110.00817.04
7.2.60.0070.01016.57
7.2.50.0070.00717.03
7.2.40.0040.01616.66
7.2.30.0140.00716.83
7.2.20.0100.00716.94
7.2.10.0100.00616.88
7.2.00.0070.00716.91
7.1.250.0070.00715.70
7.1.70.0040.00417.19
7.1.60.0160.01019.82
7.1.50.0040.00817.02
7.1.00.0030.07322.30
7.0.200.0030.00316.79
7.0.140.0030.06721.97
7.0.60.0030.04719.85
7.0.50.0130.08017.88
7.0.40.0170.04319.96
7.0.30.0130.06720.12
7.0.20.0300.04020.14
7.0.10.0230.04320.19
7.0.00.0070.07320.27
5.6.280.0070.07020.91
5.6.210.0170.07320.76
5.6.200.0100.08318.21
5.6.190.0100.04320.76
5.6.180.4030.04320.47
5.6.170.0230.05320.39
5.6.160.0170.07720.44
5.6.150.0070.08318.29
5.6.140.0030.04718.16
5.6.130.0330.06318.14
5.6.120.0100.08020.95
5.6.110.0130.07721.14
5.6.100.0100.04320.93
5.6.90.0070.09321.06
5.6.80.0100.07720.37
5.6.70.0270.07320.35
5.5.350.0070.05020.52
5.5.340.0100.07317.95
5.5.330.0100.05720.37
5.5.320.0200.03320.35
5.5.310.0270.06020.24
5.5.300.0030.08018.01
5.5.290.0030.08318.05
5.5.280.0000.05020.68
5.5.270.0130.03320.77
5.5.260.0030.04020.96
5.5.250.0100.07320.58
5.5.240.0030.04320.36
5.4.450.0770.05019.48
5.4.440.0870.06019.38
5.4.430.0970.06319.58
5.4.420.0100.05319.55
5.4.410.0670.05719.07
5.4.400.0400.05018.77
5.4.390.0500.05018.79
5.4.380.0900.06318.74
5.4.370.0130.05318.73
5.4.360.0030.06018.79
5.4.350.0050.03712.02
5.4.340.0050.03712.02
5.4.320.0070.04112.50
5.4.310.0060.03712.49
5.4.300.0090.03712.49
5.4.290.0060.03812.50
5.4.280.0040.04012.39
5.4.270.0060.04212.39
5.4.260.0050.04512.39
5.4.250.0030.05318.80
5.4.240.0070.05018.84
5.4.230.0130.06718.79
5.4.220.0130.04718.61
5.4.210.0070.05018.96
5.4.200.0100.04718.95
5.4.190.0070.05318.96
5.4.180.0130.04318.79
5.4.170.0100.06718.96
5.4.160.0200.03718.97
5.4.150.0030.05718.95
5.4.140.0070.07716.33
5.4.130.0130.04016.35
5.4.120.0130.04316.35
5.4.110.0130.04016.47
5.4.100.0100.04316.41
5.4.90.0030.05016.62
5.4.80.0130.04316.48
5.4.70.0130.04016.39
5.4.60.0030.05016.55
5.4.50.0030.06316.47
5.4.40.0070.04716.45
5.4.30.0000.05716.54
5.4.20.0130.04016.54
5.4.10.0070.05016.49
5.4.00.0130.04015.87
5.3.290.0040.04112.80
5.3.280.0000.05714.77
5.3.270.0100.07314.68
5.3.260.0030.08014.69
5.3.250.0030.05014.78
5.3.240.0030.05314.73
5.3.230.0000.06014.68
5.3.220.0100.04714.39
5.3.210.0030.05714.64
5.3.200.0000.05714.54
5.3.190.0100.04714.39
5.3.180.0070.05014.64
5.3.170.0170.05714.58
5.3.160.0100.05014.69
5.3.150.0070.05014.46
5.3.140.0100.04314.71
5.3.130.0070.05314.53
5.3.120.0100.05714.55
5.3.110.0000.07714.76
5.3.100.0100.04314.10
5.3.90.0070.05014.08
5.3.80.0070.05014.09
5.3.70.0130.05314.18
5.3.60.0000.05314.18
5.3.50.0070.04714.03
5.3.40.0170.03713.86
5.3.30.0100.05713.88
5.3.20.0070.05013.68
5.3.10.0130.04013.73
5.3.00.0000.05713.65
5.2.170.0030.04311.32
5.2.160.0130.03311.16
5.2.150.0070.03711.15
5.2.140.0070.04711.23
5.2.130.0070.04011.12
5.2.120.0000.04711.00
5.2.110.0030.05710.93
5.2.100.0100.05311.11
5.2.90.0100.05711.17
5.2.80.0170.04711.04
5.2.70.0030.04311.16
5.2.60.0070.03711.02
5.2.50.0100.03310.97
5.2.40.0030.04011.07
5.2.30.0030.04310.96
5.2.20.0100.03310.79
5.2.10.0030.04010.99
5.2.00.0100.03710.68
5.1.60.0070.03010.04
5.1.50.0130.02710.09
5.1.40.0070.0339.98
5.1.30.0000.04710.40
5.1.20.0130.03010.58
5.1.10.0030.04310.06
5.1.00.0070.03310.22
5.0.50.0000.0308.79
5.0.40.0000.0308.60
5.0.30.0000.0438.06
5.0.20.0030.0278.03
5.0.10.0030.0278.14
5.0.00.0000.0438.15
4.4.90.0000.0236.63
4.4.80.0030.0236.63
4.4.70.0030.0206.63
4.4.60.0030.0206.63
4.4.50.0030.0236.63
4.4.40.0030.0306.63
4.4.30.0070.0236.63
4.4.20.0000.0236.63
4.4.10.0000.0236.63
4.4.00.0030.0336.63
4.3.110.0030.0206.63
4.3.100.0000.0206.63
4.3.90.0030.0206.63
4.3.80.0070.0306.63
4.3.70.0000.0206.63
4.3.60.0030.0236.63
4.3.50.0000.0236.63
4.3.40.0030.0306.63
4.3.30.0000.0236.63
4.3.20.0030.0306.63
4.3.10.0030.0206.63
4.3.00.0130.0206.77

preferences:
39.54 ms | 401 KiB | 5 Q