3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\New { class Bar {} } namespace { $serialized = 'O:7:"Foo\Bar":0:{}'; class_alias('Foo\Bar', 'Foo\New\Bar'); var_dump(unserialize($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)
5.6.80.0130.07320.53
5.5.240.0070.07720.25
5.4.400.0270.05719.16
5.4.390.0230.04318.89
5.4.380.0270.03319.16
5.4.370.0300.05018.84
5.4.360.0300.03318.88
5.4.350.0330.06319.09
5.4.340.0230.07719.15
5.4.320.0300.06719.21
5.4.310.0300.06719.07
5.4.300.0300.07718.95
5.4.290.0370.06319.26
5.4.280.0230.04019.22
5.4.270.0230.04019.13
5.4.260.0270.07018.87
5.4.250.0300.03319.14
5.4.240.0270.05019.14
5.4.230.0330.06318.98
5.4.220.0230.04019.21
5.4.210.0300.04018.98
5.4.200.0300.07018.84
5.4.190.0300.06719.15
5.4.180.0330.04019.14
5.4.170.0230.06719.05
5.4.160.0270.04019.14
5.4.150.0270.03718.92
5.4.140.0230.03316.50
5.4.130.0330.06316.50
5.4.120.0270.05716.45
5.4.110.0230.05316.40
5.4.100.0330.07016.56
5.4.90.0230.05316.26
5.4.80.0470.05016.35
5.4.70.0230.04716.25
5.4.60.0300.07016.38
5.4.50.0400.05716.34
5.4.40.0230.07716.43
5.4.30.0370.06016.48
5.4.20.0270.05316.43
5.4.10.0300.03016.53
5.4.00.0270.07015.99
5.3.290.0300.05714.54
5.3.280.0370.05014.54
5.3.270.0200.05714.65
5.3.260.0300.07314.45
5.3.250.0230.03714.59
5.3.240.0330.06014.46
5.3.230.0370.06014.44
5.3.220.0330.06314.43
5.3.210.0300.07014.40
5.3.200.0370.06714.55
5.3.190.0270.07014.62
5.3.180.0270.04314.41
5.3.170.0330.06014.66
5.3.160.0370.06714.54
5.3.150.0300.04314.41
5.3.140.0300.04014.58
5.3.130.0300.03714.46
5.3.120.0230.04014.43
5.3.110.0270.06314.39
5.3.100.0230.06313.98
5.3.90.0270.06714.11
5.3.80.0300.04713.89
5.3.70.0430.03013.81
5.3.60.0400.05314.03
5.3.50.0300.04713.92
5.3.40.0300.06313.88
5.3.30.0300.04313.86
5.3.20.0300.03713.64
5.3.10.0300.04013.51
5.3.00.0270.06713.58
5.2.170.0230.04012.07
5.2.160.0270.04012.07
5.2.150.0200.03312.07
5.2.140.0230.03312.07
5.2.130.0270.05312.07
5.2.120.0300.05312.07
5.2.110.0330.04712.07
5.2.100.0230.06012.07
5.2.90.0200.06312.07
5.2.80.0200.04012.07
5.2.70.0170.04712.07
5.2.60.0300.03712.07
5.2.50.0370.03712.07
5.2.40.0200.05012.07
5.2.30.0270.05312.07
5.2.20.0270.03312.07
5.2.10.0200.06012.07
5.2.00.0130.03012.07
5.1.60.0200.02012.07
5.1.50.0130.02712.07
5.1.40.0130.05712.07
5.1.30.0230.03712.07
5.1.20.0270.04712.07
5.1.10.0200.04312.07
5.1.00.0170.03712.07
5.0.50.0130.01712.07
5.0.40.0100.02712.07
5.0.30.0200.04012.07
5.0.20.0130.02312.07
5.0.10.0130.03712.07
5.0.00.0100.06312.07
4.4.90.0130.03012.07
4.4.80.0200.01712.07
4.4.70.0100.01712.07
4.4.60.0130.02012.07
4.4.50.0100.02012.07
4.4.40.0100.03312.07
4.4.30.0130.02012.07
4.4.20.0170.01712.07
4.4.10.0130.03012.07
4.4.00.0100.02712.07
4.3.110.0100.03312.07
4.3.100.0100.03312.07
4.3.90.0070.02312.07
4.3.80.0130.03012.07
4.3.70.0100.01312.07
4.3.60.0070.02312.07
4.3.50.0100.01312.07
4.3.40.0130.04312.07
4.3.30.0030.02712.07
4.3.20.0070.02012.07
4.3.10.0030.02012.07
4.3.00.0030.02012.07

preferences:
38.54 ms | 400 KiB | 5 Q