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run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar\Baz { class Foo{} } namespace { class Bar{} function returnClass($content) { $className = get_class($content); $classNameWithoutNamespace = array_pop(explode('\\', $className)); return lcfirst($classNameWithoutNamespace); } var_dump(returnClass (new \Foo\Bar\Baz\Foo())); var_dump(returnClass (new \Bar())); }

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)
8.3.70.0000.01418.34
8.3.60.0090.01216.49
8.3.50.0100.00821.09
8.3.40.0000.01518.54
8.3.30.0140.00018.56
8.3.20.0040.00420.29
8.3.10.0080.00023.61
8.3.00.0050.00319.54
8.2.190.0090.00616.67
8.2.180.0090.00916.63
8.2.170.0040.01122.96
8.2.160.0130.00020.52
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00317.50
8.2.110.0040.00719.33
8.2.100.0040.00817.84
8.2.90.0040.00418.98
8.2.80.0060.00317.97
8.2.70.0050.00317.63
8.2.60.0030.00617.66
8.2.50.0090.00418.10
8.2.40.0030.00619.21
8.2.30.0040.00419.69
8.2.20.0050.00217.73
8.2.10.0000.00717.92
8.2.00.0030.00617.98
8.1.280.0040.01125.92
8.1.270.0060.01220.34
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.52
8.1.230.0120.00017.76
8.1.220.0000.00917.74
8.1.210.0070.00318.77
8.1.200.0060.00317.10
8.1.190.0050.00317.23
8.1.180.0000.00918.10
8.1.170.0080.00018.50
8.1.160.0030.00521.96
8.1.150.0050.00318.75
8.1.140.0080.00417.39
8.1.130.0070.00017.62
8.1.120.0020.00517.41
8.1.110.0000.00817.41
8.1.100.0000.00717.28
8.1.90.0000.00817.37
8.1.80.0000.00717.26
8.1.70.0030.00317.43
8.1.60.0060.00317.60
8.1.50.0000.00817.41
8.1.40.0040.00417.52
8.1.30.0000.01017.66
8.1.20.0030.00517.70
8.1.10.0050.00217.48
8.1.00.0040.00417.54
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0050.00218.38
8.0.270.0030.00317.23
8.0.260.0000.00618.38
8.0.250.0070.00016.89
8.0.240.0000.00616.93
8.0.230.0020.00516.98
8.0.220.0000.00716.94
8.0.210.0000.00716.89
8.0.200.0040.00416.82
8.0.190.0000.00816.97
8.0.180.0040.00416.91
8.0.170.0000.00716.82
8.0.160.0000.00716.91
8.0.150.0030.00316.91
8.0.140.0030.00616.87
8.0.130.0030.00313.28
8.0.120.0040.00416.91
8.0.110.0080.00016.91
8.0.100.0030.00316.79
8.0.90.0040.00416.76
8.0.80.0100.00616.95
8.0.70.0040.00416.86
8.0.60.0040.00416.87
8.0.50.0040.00416.71
8.0.30.0100.01017.15
8.0.20.0070.01217.40
8.0.10.0050.00216.88
8.0.00.0090.00916.71
7.4.330.0050.00015.09
7.4.320.0070.00016.44
7.4.300.0070.00016.61
7.4.290.0000.00716.52
7.4.280.0040.00416.54
7.4.270.0030.00316.59
7.4.260.0070.00016.45
7.4.250.0050.00316.59
7.4.240.0010.00616.55
7.4.230.0030.00316.30
7.4.220.0140.00616.52
7.4.210.0090.00616.57
7.4.200.0040.00416.33
7.4.160.0000.01616.46
7.4.150.0120.00617.40
7.4.140.0110.00917.86
7.4.130.0120.00416.58
7.4.120.0130.00616.53
7.4.110.0030.02316.63
7.4.100.0080.00816.61
7.4.90.0090.00916.62
7.4.80.0110.00619.39
7.4.70.0110.00716.60
7.4.60.0130.00316.52
7.4.50.0060.00316.28
7.4.40.0170.00316.45
7.4.30.0140.00316.64
7.4.00.0030.01014.90
7.3.330.0070.00013.42
7.3.320.0000.00513.39
7.3.310.0030.00316.45
7.3.300.0030.00316.31
7.3.290.0090.00516.36
7.3.280.0090.01316.40
7.3.270.0090.00917.40
7.3.260.0100.00716.47
7.3.250.0130.00816.44
7.3.240.0140.00416.77
7.3.230.0150.00416.39
7.3.210.0030.01516.37
7.3.200.0180.00416.49
7.3.190.0120.00916.41
7.3.180.0070.01316.32
7.3.170.0070.01416.62
7.3.160.0070.01016.41
7.3.10.0200.00616.39
7.3.00.0150.01016.21
7.2.330.0030.01416.60
7.2.320.0130.00316.60
7.2.310.0050.01116.28
7.2.300.0130.00916.65
7.2.290.0110.01016.36
7.2.130.0180.00916.54
7.2.120.0120.00616.41
7.2.110.0080.00816.27
7.2.100.0100.01416.00
7.2.90.0140.01716.68
7.2.80.0150.00816.37
7.2.70.0200.01216.50
7.2.60.0150.00416.61
7.2.50.0160.01316.39
7.2.40.0230.00616.25
7.2.30.0170.00416.44
7.2.20.0120.01216.27
7.2.10.0130.01316.72
7.2.00.0140.00518.08
7.1.250.0100.01015.58
7.1.200.0140.00415.65
7.1.100.0040.00817.75
7.1.70.0080.00016.95
7.1.60.0040.01819.27
7.1.50.0080.00316.91
7.1.00.0000.08022.27
7.0.200.0160.00314.65
7.0.60.0130.08019.86
7.0.50.0070.07017.86
7.0.40.0130.04720.18
7.0.30.0230.06720.16
7.0.20.0200.04320.06
7.0.10.0100.05320.18
7.0.00.0100.06320.19
5.6.280.0070.05320.91
5.6.210.0100.07320.50
5.6.200.0030.04018.18
5.6.190.0070.08320.52
5.6.180.0230.06020.67
5.6.170.0170.04320.56
5.6.160.0030.09320.57
5.6.150.0030.05018.14
5.6.140.0070.08018.14
5.6.130.0100.03718.18
5.6.120.0070.03721.00
5.6.110.0100.07720.97
5.6.100.0100.06721.01
5.6.90.0170.07320.97
5.6.80.0170.06020.44
5.6.70.3330.03320.52
5.5.350.0030.08320.45
5.5.340.0070.05318.08
5.5.330.0000.04720.27
5.5.320.0000.08020.28
5.5.310.0330.05020.36
5.5.300.0100.07718.01
5.5.290.0100.07717.94
5.5.280.0030.04720.65
5.5.270.0100.06720.87
5.5.260.0230.06720.87
5.5.250.0100.07320.69
5.5.240.0130.03320.19
5.4.450.0730.07019.39
5.4.440.0730.04719.60
5.4.430.0770.05719.61
5.4.420.0730.06719.33
5.4.410.0630.05319.07
5.4.400.0630.05319.13
5.4.390.0700.05019.30
5.4.380.0630.05319.30
5.4.370.0700.05019.12
5.4.360.0700.05018.88
5.4.350.0630.05319.06
5.4.340.0700.05019.25
5.4.320.0630.06319.33
5.4.310.0630.05319.16
5.4.300.0770.05319.00
5.4.290.0770.05719.21
5.4.280.0770.06019.05
5.4.270.0830.05019.30
5.4.260.0930.04319.28
5.4.250.0830.05318.97
5.4.240.0800.05319.14
5.4.230.0800.06018.86
5.4.220.1000.07319.00
5.4.210.0930.04718.86
5.4.200.0800.06718.96
5.4.190.0930.05719.27
5.4.180.0970.06719.26
5.4.170.0970.06719.30
5.4.160.0670.05719.12
5.4.150.0630.05719.24
5.4.140.0700.05016.59
5.4.130.0700.06716.58
5.4.120.0700.05016.47
5.4.110.0670.05316.30
5.4.100.0870.06316.30
5.4.90.0870.05016.30
5.4.80.0830.04316.64
5.4.70.0270.05016.57
5.4.60.0230.04316.38
5.4.50.0000.04716.43
5.4.40.0000.03716.56
5.4.30.0070.06716.52
5.4.20.0070.05716.42

preferences:
47.85 ms | 401 KiB | 5 Q