3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MyProject; const con='p'; $classname=namespace\con; function get($classname) { $a = __NAMESPACE__ . '\\' . $classname; return new $a; echo $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)
8.3.60.0150.00418.22
8.3.50.0130.00622.05
8.3.40.0000.01418.64
8.3.30.0070.00718.25
8.3.20.0080.00018.52
8.3.10.0040.00421.00
8.3.00.0000.00823.71
8.2.180.0040.01116.38
8.2.170.0060.01222.96
8.2.160.0080.00520.32
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00319.76
8.2.110.0030.00620.32
8.2.100.0110.00017.78
8.2.90.0040.00419.22
8.2.80.0060.00317.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0080.00018.09
8.2.30.0000.00721.22
8.2.20.0060.00317.58
8.2.10.0040.00417.75
8.2.00.0020.00717.59
8.1.280.0090.00925.92
8.1.270.0000.00723.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.47
8.1.230.0000.01120.91
8.1.220.0000.00918.77
8.1.210.0040.00419.04
8.1.200.0060.00317.35
8.1.190.0040.00417.53
8.1.180.0080.00018.10
8.1.170.0030.00518.65
8.1.160.0050.00218.88
8.1.150.0040.00418.61
8.1.140.0030.00617.31
8.1.130.0030.00317.82
8.1.120.0060.00317.47
8.1.110.0030.00717.46
8.1.100.0020.00517.33
8.1.90.0040.00417.42
8.1.80.0000.00717.43
8.1.70.0040.00417.32
8.1.60.0000.00717.40
8.1.50.0050.00317.35
8.1.40.0000.00917.44
8.1.30.0070.00017.64
8.1.20.0000.00817.64
8.1.10.0020.00517.45
8.1.00.0070.00017.38
8.0.300.0040.00419.88
8.0.290.0000.00817.05
8.0.280.0000.00718.30
8.0.270.0030.00317.12
8.0.260.0030.00316.88
8.0.250.0040.00416.89
8.0.240.0060.00316.89
8.0.230.0070.00016.95
8.0.220.0000.00816.88
8.0.210.0050.00316.92
8.0.200.0000.00716.93
8.0.190.0000.00816.91
8.0.180.0000.00716.88
8.0.170.0040.00416.95
8.0.160.0040.00416.87
8.0.150.0000.00716.92
8.0.140.0000.00716.77
8.0.130.0000.00613.31
8.0.120.0000.00816.75
8.0.110.0080.00016.94
8.0.100.0040.00416.77
8.0.90.0050.00316.77
8.0.80.0100.00416.94
8.0.70.0040.00416.92
8.0.60.0070.00016.68
8.0.50.0000.00716.72
8.0.30.0070.01117.02
8.0.20.0080.01117.40
8.0.10.0000.00716.86
8.0.00.0130.00816.81
7.4.330.0050.00014.82
7.4.320.0060.00016.56
7.4.300.0000.00816.59
7.4.290.0030.00316.59
7.4.280.0070.00016.59
7.4.270.0030.00316.55
7.4.260.0030.00313.25
7.4.250.0050.00516.44
7.4.240.0030.00316.47
7.4.230.0000.00716.61
7.4.220.0140.00316.58
7.4.210.0090.00516.62
7.4.200.0000.00716.42
7.4.190.0000.00716.74
7.4.160.0090.00616.39
7.4.150.0140.00417.40
7.4.140.0120.00817.86
7.4.130.0130.00316.52
7.4.120.0080.00816.44
7.4.110.0110.00716.46
7.4.100.0080.01116.46
7.4.90.0030.01416.35
7.4.80.0170.00019.37
7.4.70.0070.01016.44
7.4.60.0130.00316.57
7.4.50.0030.00616.57
7.4.40.0110.00422.52
7.4.30.0080.01116.63
7.4.00.0100.00715.05
7.3.330.0020.00213.25
7.3.320.0090.00313.23
7.3.310.0070.00016.20
7.3.300.0030.00316.19
7.3.290.0100.00716.21
7.3.280.0120.00416.19
7.3.270.0140.00317.40
7.3.260.0090.01118.24
7.3.250.0090.01016.39
7.3.240.0130.00316.14
7.3.230.0100.00716.43
7.3.210.0070.01116.20
7.3.200.0050.01419.39
7.3.190.0100.00916.54
7.3.180.0090.00816.19
7.3.170.0050.01316.27
7.3.160.0100.00516.44
7.3.120.0070.00414.51
7.2.330.0030.01416.50
7.2.320.0030.01816.70
7.2.310.0030.01616.39
7.2.300.0100.00716.64
7.2.290.0090.01116.59
7.1.70.0050.00217.08
7.1.60.0100.00719.40
7.1.50.0070.01416.94
7.1.00.0070.07022.31
7.0.200.0000.00716.84
7.0.140.0030.07321.98
7.0.70.0030.07721.73
7.0.60.0030.07721.77
7.0.50.0100.05021.96
7.0.40.0070.06320.09
7.0.30.0030.05320.11
7.0.20.0100.08020.11
7.0.10.0070.07019.99
7.0.00.0030.08319.95
5.6.280.0070.07020.93
5.6.220.0030.06320.50
5.6.210.0030.05020.67
5.6.200.0100.05021.07
5.6.190.0070.04020.96
5.6.180.0100.07021.01
5.6.170.0070.05321.17
5.6.160.0030.09021.08
5.6.150.0130.08021.05
5.6.140.0070.05321.02
5.6.130.0030.08321.13
5.6.120.0170.07320.91
5.6.110.0070.08321.11
5.6.100.0030.07721.13
5.6.90.0030.08321.09
5.6.80.0070.08320.55
5.6.70.0070.07020.46
5.6.60.0030.07020.43
5.6.50.0030.08020.41
5.6.40.0100.07720.52
5.6.30.0070.06320.42
5.6.20.0030.07720.38
5.6.10.0030.08320.32
5.6.00.0030.07320.34
5.5.360.0070.07720.36
5.5.350.0000.05320.37
5.5.340.0030.04320.77
5.5.330.0030.04020.74
5.5.320.0000.08020.86
5.5.310.0000.06720.91
5.5.300.0000.09020.83
5.5.290.0030.08720.81
5.5.280.0070.08320.93
5.5.270.0000.08320.82
5.5.260.0070.06020.83
5.5.250.0070.08320.68
5.5.240.0130.04320.21
5.5.230.0100.07020.28
5.5.220.0070.05020.25
5.5.210.0030.08020.30
5.5.200.0130.07020.09
5.5.190.0030.04320.10
5.5.180.0070.07320.20
5.5.160.0000.08020.11
5.5.150.0070.08320.24
5.5.140.0070.06320.08
5.5.130.0030.08020.28
5.5.120.0070.05720.23
5.5.110.0070.04320.14
5.5.100.0000.07719.95
5.5.90.0030.05720.09
5.5.80.0130.07320.07
5.5.70.0030.04320.14
5.5.60.0030.08019.93
5.5.50.0030.08020.00
5.5.40.0000.08320.10
5.5.30.0000.06020.15
5.5.20.0000.04720.15
5.5.10.0030.04020.05
5.5.00.0100.05020.10
5.4.450.0030.04719.21
5.4.440.0030.07019.35
5.4.430.0030.08019.46
5.4.420.0000.04319.20
5.4.410.0070.07319.32
5.4.400.0030.05019.07
5.4.390.0070.06319.14
5.4.380.0030.08319.05
5.4.370.0000.06019.09
5.4.360.0000.08018.85
5.4.350.0000.06018.91
5.4.340.0030.07319.03
5.4.320.0030.08019.03
5.4.310.0030.06719.05
5.4.300.0070.04718.90
5.4.290.0000.08018.87
5.4.280.0030.07019.13
5.4.270.0030.04718.94
5.4.260.0070.07019.04
5.4.250.0070.05319.12
5.4.240.0070.05019.04
5.4.230.0070.06019.10
5.4.220.0030.07719.14
5.4.210.0100.06019.13
5.4.200.0070.07318.87
5.4.190.0000.07719.02
5.4.180.0070.07018.87
5.4.170.0030.07719.11
5.4.160.0100.07019.12
5.4.150.0030.07719.03
5.4.140.0000.08016.41
5.4.130.0030.04716.42
5.4.120.0030.07016.34
5.4.110.0000.08016.42
5.4.100.0070.07016.47
5.4.90.0130.06316.37
5.4.80.0000.05716.25
5.4.70.0000.07316.26
5.4.60.0030.06316.30
5.4.50.0130.05716.24
5.4.40.0100.07016.46
5.4.30.0030.06016.30
5.4.20.0000.07016.32
5.4.10.0000.03716.44
5.4.00.0030.03015.88
5.3.290.0070.06314.65
5.3.280.0030.08014.68
5.3.270.0000.04014.72
5.3.260.0070.07314.66
5.3.250.0030.06314.66
5.3.240.0000.07314.65
5.3.230.0000.07014.71
5.3.220.0100.07314.63
5.3.210.0030.07314.57
5.3.200.0030.07014.68
5.3.190.0030.06714.63
5.3.180.0030.07014.53
5.3.170.0030.07314.48
5.3.160.0030.04014.70
5.3.150.0070.03714.52
5.3.140.0000.07714.64
5.3.130.0070.07714.55
5.3.120.0030.05014.64
5.3.110.0070.03314.63
5.3.100.0070.03313.98
5.3.90.0000.03714.02
5.3.80.0000.03714.02
5.3.70.0070.04014.07
5.3.60.0000.03714.10
5.3.50.0070.03013.84
5.3.40.0070.03713.97
5.3.30.0100.02714.05
5.3.20.0030.03013.71
5.3.10.0000.03713.78
5.3.00.0030.03313.66
5.2.170.0030.04712.18
5.2.160.0000.03012.18
5.2.150.0000.03012.18
5.2.140.0000.03012.18
5.2.130.0000.02712.18
5.2.120.0030.02712.18
5.2.110.0030.02712.18
5.2.100.0030.02712.18
5.2.90.0000.02712.18
5.2.80.0000.03012.18
5.2.70.0000.03012.18
5.2.60.0030.02312.18
5.2.50.0000.03012.18
5.2.40.0000.05012.18
5.2.30.0030.02712.18
5.2.20.0000.02712.18
5.2.10.0000.03312.18
5.2.00.0000.04312.18
5.1.60.0030.03012.18
5.1.50.0000.03012.18
5.1.40.0000.02712.18
5.1.30.0000.02712.18
5.1.20.0000.04712.18
5.1.10.0000.05712.18
5.1.00.0000.02012.18
5.0.50.0000.02312.18
5.0.40.0030.04712.18
5.0.30.0000.06312.18
5.0.20.0000.03012.18
5.0.10.0030.04312.18
5.0.00.0030.06312.18
4.4.90.0000.01712.18
4.4.80.0000.01312.18
4.4.70.0000.01312.18
4.4.60.0000.01312.18
4.4.50.0000.01712.18
4.4.40.0000.02012.18
4.4.30.0000.01312.18
4.4.20.0030.01012.18
4.4.10.0030.01012.18
4.4.00.0000.02712.18
4.3.110.0000.01312.18
4.3.100.0000.02712.18
4.3.90.0000.02012.18
4.3.80.0000.03312.18
4.3.70.0030.02312.18
4.3.60.0000.03012.18
4.3.50.0030.01712.18
4.3.40.0000.04012.18
4.3.30.0000.03712.18
4.3.20.0000.01712.18
4.3.10.0000.01712.18
4.3.00.0000.01712.18

preferences:
43.12 ms | 401 KiB | 5 Q