3v4l.org

run code in 300+ PHP versions simultaneously
<?php $instance = new class {}; $class_name = "class@anonymous".chr(0).__FILE__.'0x7f14cee1501e'; class_alias($class_name, 'MyAlias'); $d = get_declared_classes(); end($d); var_dump(current($d)); var_dump(new $class_name); var_dump(new MyAlias);

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)
8.3.40.0170.00318.96
8.3.30.0040.01118.84
8.3.20.0000.00820.38
8.3.10.0040.00423.66
8.3.00.0000.00819.38
8.2.170.0120.00322.96
8.2.160.0150.00020.39
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0060.00319.26
8.2.120.0040.00426.35
8.2.110.0060.00320.89
8.2.100.0040.00817.91
8.2.90.0040.00417.91
8.2.80.0080.00017.97
8.2.70.0080.00017.75
8.2.60.0080.00018.05
8.2.50.0000.00818.07
8.2.40.0040.00419.38
8.2.30.0070.00020.62
8.2.20.0030.00617.73
8.2.10.0040.00418.17
8.2.00.0070.00018.11
8.1.270.0070.00323.85
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00022.44
8.1.230.0070.00320.91
8.1.220.0050.00317.78
8.1.210.0040.00418.89
8.1.200.0030.00617.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0050.00318.71
8.1.160.0050.00321.92
8.1.150.0040.00418.93
8.1.140.0030.00519.58
8.1.130.0050.00217.69
8.1.120.0040.00417.46
8.1.110.0040.00317.46
8.1.100.0000.00817.36
8.1.90.0000.00717.36
8.1.80.0040.00417.33
8.1.70.0000.00717.30
8.1.60.0000.00817.63
8.1.50.0040.00417.54
8.1.40.0000.00817.49
8.1.30.0050.00317.61
8.1.20.0030.00517.55
8.1.10.0070.00017.57
8.1.00.0000.00817.43
8.0.300.0000.00820.03
8.0.290.0070.00016.75
8.0.280.0000.00718.45
8.0.270.0000.00817.17
8.0.260.0000.00617.13
8.0.250.0030.00317.05
8.0.240.0040.00417.04
8.0.230.0040.00416.98
8.0.220.0030.00316.95
8.0.210.0040.00416.95
8.0.200.0070.00016.90
8.0.190.0080.00016.92
8.0.180.0070.00016.87
8.0.170.0050.00316.99
8.0.160.0030.00316.98
8.0.150.0030.00317.02
8.0.140.0080.00016.79
8.0.130.0030.00313.37
8.0.120.0000.00817.03
8.0.110.0000.00716.88
8.0.100.0040.00416.86
8.0.90.0000.00716.86
8.0.80.0060.01016.90
8.0.70.0070.00016.97
8.0.60.0050.00316.90
8.0.50.0070.00016.89
8.0.30.0140.00717.14
8.0.20.0120.00717.42
8.0.10.0040.00416.92
8.0.00.0130.00516.97
7.4.330.0030.00316.89
7.4.320.0030.00316.52
7.4.300.0000.00816.46
7.4.290.0030.00316.60
7.4.280.0030.00716.49
7.4.270.0070.00016.52
7.4.260.0000.00716.53
7.4.250.0040.00416.51
7.4.240.0020.00516.45
7.4.230.0000.00716.37
7.4.220.0140.00416.52
7.4.210.0080.01216.59
7.4.200.0000.00716.63
7.4.160.0080.00816.61
7.4.150.0370.00417.40
7.4.140.0110.01117.86
7.4.130.0090.01316.54
7.4.120.0130.00916.49
7.4.110.0080.01216.40
7.4.100.0100.01016.52
7.4.90.0090.00916.69
7.4.80.0090.00919.39
7.4.70.0060.01016.49
7.4.60.0060.01016.50
7.4.50.0060.00916.42
7.4.40.0080.00816.35
7.4.30.0070.01016.64
7.4.00.0030.01315.04
7.3.330.0000.00613.28
7.3.320.0030.00313.34
7.3.310.0070.00016.32
7.3.300.0070.00016.29
7.3.290.0060.00016.22
7.3.280.0100.00716.37
7.3.270.0070.01117.40
7.3.260.0140.00316.39
7.3.240.0090.01116.24
7.3.230.0060.01016.45
7.3.210.0120.00416.33
7.3.200.0140.00316.43
7.3.190.0100.00716.29
7.3.180.0060.00916.43
7.3.170.0130.00316.38
7.3.160.0110.00616.44
7.3.120.0030.01614.77
7.3.110.0070.00714.81
7.3.100.0070.00714.98
7.3.90.0030.01015.06
7.3.80.0100.00715.03
7.3.70.0070.00714.91
7.3.60.0070.00714.87
7.3.50.0060.00914.66
7.3.40.0100.00614.85
7.3.30.0060.00914.88
7.3.20.0040.01216.46
7.3.10.0070.00416.65
7.3.00.0100.00316.43
7.2.330.0070.01316.52
7.2.320.0090.01516.54
7.2.310.0030.01516.55
7.2.300.0050.01416.68
7.2.290.0090.00616.54
7.2.250.0080.00815.02
7.2.240.0100.01014.65
7.2.230.0060.00914.96
7.2.220.0070.01014.76
7.2.210.0090.00015.11
7.2.200.0030.00915.17
7.2.190.0030.01214.84
7.2.180.0000.01715.09
7.2.170.0040.00714.84
7.2.60.0110.00416.81
7.2.00.0080.00519.21
7.1.330.0030.01415.79
7.1.320.0130.00315.97
7.1.310.0030.01015.73
7.1.300.0080.00815.64
7.1.290.0060.00915.86
7.1.280.0030.01115.78
7.1.270.0080.00615.83
7.1.260.0040.01115.73
7.1.200.0000.01415.82
7.1.100.0000.01018.34
7.1.70.0090.00017.16
7.1.60.0030.02019.48
7.1.50.0060.00617.14
7.1.00.0000.08022.36
7.0.200.0300.00714.46
7.0.60.0170.03720.00
7.0.50.0100.07717.82
7.0.40.0130.08320.03
7.0.30.0300.07020.08
7.0.20.0100.04720.23
7.0.10.0070.07320.10
7.0.00.0100.04720.15
5.6.280.0000.07721.12
5.6.210.0130.07720.70
5.6.200.0030.05318.25
5.6.190.0030.04720.75
5.6.180.0330.04720.50
5.6.170.0200.08320.51
5.6.160.0030.04320.54
5.6.150.0100.07718.18
5.6.140.0070.05318.25
5.6.130.0070.05018.15
5.6.120.0130.07721.12
5.6.110.0070.06321.03
5.6.100.0030.07721.13
5.6.90.0000.04320.88
5.6.80.0030.09020.35
5.5.350.0330.06320.45
5.5.340.0030.06318.03
5.5.330.0100.08020.40
5.5.320.0000.08720.31
5.5.310.0270.08020.27
5.5.300.0130.04318.01
5.5.290.0000.04317.98
5.5.280.0030.07320.96
5.5.270.0000.04320.94
5.5.260.0030.08320.72
5.5.250.0030.06020.66
5.5.240.0100.08320.23

preferences:
42.71 ms | 400 KiB | 5 Q