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run code in 300+ PHP versions simultaneously
<?php class A { function test() { echo 'test'; } } class_alias( 'A', 'B' ); class MyClass extends B { function test() { echo 'test under MyClass'; } } function foo (B $f) { $f->test(); } foo (new MyClass);

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)
8.3.60.0100.00318.30
8.3.50.0080.01022.90
8.3.40.0040.01118.71
8.3.30.0050.00819.27
8.3.20.0040.00420.34
8.3.10.0070.00318.73
8.3.00.0040.00419.26
8.2.180.0040.01116.32
8.2.170.0090.00622.96
8.2.160.0040.01120.31
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00220.97
8.2.110.0090.00020.52
8.2.100.0070.00318.09
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0000.00917.80
8.2.50.0060.00318.07
8.2.40.0060.00318.09
8.2.30.0050.00219.48
8.2.20.0040.00417.66
8.2.10.0040.00417.99
8.2.00.0040.00417.61
8.1.280.0070.01425.92
8.1.270.0060.00322.14
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.83
8.1.230.0050.00519.09
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0040.00817.23
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0060.00618.63
8.1.160.0040.00421.99
8.1.150.0040.00418.81
8.1.140.0000.00717.39
8.1.130.0000.00717.80
8.1.120.0040.00417.39
8.1.110.0030.00717.36
8.1.100.0000.00817.43
8.1.90.0090.00017.36
8.1.80.0040.00417.37
8.1.70.0030.00317.34
8.1.60.0040.00417.37
8.1.50.0040.00417.45
8.1.40.0040.00417.31
8.1.30.0030.00617.50
8.1.20.0040.00417.59
8.1.10.0070.00017.34
8.1.00.0050.00217.46
8.0.300.0030.00518.77
8.0.290.0000.00716.63
8.0.280.0000.00718.34
8.0.270.0070.00017.27
8.0.260.0000.00617.25
8.0.250.0030.00317.02
8.0.240.0040.00416.96
8.0.230.0000.00716.86
8.0.220.0040.00416.78
8.0.210.0000.00716.84
8.0.200.0040.00417.01
8.0.190.0040.00416.95
8.0.180.0030.00316.91
8.0.170.0000.00716.87
8.0.160.0030.00316.89
8.0.150.0070.00016.84
8.0.140.0030.00616.82
8.0.130.0000.00513.36
8.0.120.0040.00416.81
8.0.110.0040.00416.93
8.0.100.0040.00416.79
8.0.90.0030.00516.95
8.0.80.0060.00916.93
8.0.70.0000.00716.84
8.0.60.0080.00016.84
8.0.50.0040.00416.75
8.0.30.0110.00817.03
8.0.20.0160.00817.40
8.0.10.0050.00217.04
8.0.00.0090.01116.77
7.4.330.0030.00315.00
7.4.320.0070.00016.42
7.4.300.0040.00416.55
7.4.290.0070.00016.29
7.4.280.0000.00816.41
7.4.270.0030.00316.57
7.4.260.0040.00416.52
7.4.250.0000.00716.32
7.4.240.0030.00316.53
7.4.230.0070.00016.53
7.4.220.0030.02016.51
7.4.210.0160.00316.57
7.4.200.0070.00016.34
7.4.160.0170.00316.38
7.4.150.0050.01417.40
7.4.140.0120.00517.86
7.4.130.0060.01116.31
7.4.120.0080.00816.54
7.4.110.0100.00616.28
7.4.100.0100.01316.50
7.4.90.0060.01016.37
7.4.80.0090.00919.39
7.4.70.0100.00716.51
7.4.60.0080.00816.50
7.4.50.0040.00416.61
7.4.40.0130.00316.54
7.4.30.0090.00616.63
7.4.10.0100.00714.87
7.4.00.0040.01414.78
7.3.330.0030.00313.06
7.3.320.0050.00013.05
7.3.310.0070.00016.27
7.3.300.0030.00316.31
7.3.290.0030.01016.30
7.3.280.0130.00416.27
7.3.270.0060.01117.40
7.3.260.0090.00916.54
7.3.250.0100.00816.49
7.3.240.0110.01116.62
7.3.230.0110.01216.39
7.3.210.0080.00816.47
7.3.200.0090.01219.39
7.3.190.0130.00916.36
7.3.180.0060.00916.39
7.3.170.0090.01316.27
7.3.160.0130.00616.39
7.3.130.0070.01114.85
7.3.120.0020.01614.71
7.3.110.0030.01014.97
7.3.100.0050.01014.84
7.3.90.0090.00414.68
7.3.80.0030.00814.91
7.3.70.0060.00614.72
7.3.60.0040.01014.74
7.3.50.0020.00714.58
7.3.40.0080.00514.83
7.3.30.0070.00714.65
7.3.20.0060.00816.61
7.3.10.0070.00416.44
7.3.00.0050.00916.51
7.2.330.0140.00416.29
7.2.320.0100.00616.23
7.2.310.0120.00916.47
7.2.300.0070.01016.64
7.2.290.0090.00616.74
7.2.260.0090.00914.84
7.2.250.0100.00414.92
7.2.240.0080.01115.04
7.2.230.0060.01014.98
7.2.220.0020.01014.79
7.2.210.0060.01014.99
7.2.200.0020.00714.64
7.2.190.0050.00914.86
7.2.180.0050.01214.85
7.2.170.0100.00514.95
7.2.160.0030.01014.81
7.2.150.0120.00216.88
7.2.140.0050.01016.83
7.2.130.0080.00616.84
7.2.120.0070.00616.79
7.2.110.0070.00816.77
7.2.100.0070.00816.68
7.2.90.0050.01216.93
7.2.80.0080.00816.81
7.2.70.0070.00716.69
7.2.60.0060.00916.86
7.2.50.0120.00516.75
7.2.40.0070.00716.85
7.2.30.0060.00716.75
7.2.20.0030.00916.84
7.2.10.0080.00916.72
7.2.00.0050.00917.64
7.1.330.0100.00515.57
7.1.320.0040.01115.67
7.1.310.0050.01215.71
7.1.300.0060.00715.58
7.1.290.0050.00815.70
7.1.280.0040.00715.85
7.1.270.0040.00615.63
7.1.260.0090.00715.72
7.1.250.0040.01115.61
7.1.240.0030.00815.68
7.1.230.0020.01415.68
7.1.220.0080.00515.54
7.1.210.0080.00615.67
7.1.200.0030.00815.60
7.1.190.0070.00615.54
7.1.180.0060.00815.68
7.1.170.0040.00715.79
7.1.160.0060.00815.49
7.1.150.0030.01115.79
7.1.140.0050.00515.62
7.1.130.0070.00815.62
7.1.120.0030.00815.71
7.1.110.0030.00915.50
7.1.100.0020.01215.67
7.1.90.0060.00615.77
7.1.80.0090.00415.45
7.1.70.0040.00816.09
7.1.60.0030.01416.90
7.1.50.0050.01016.09
7.1.40.0060.00815.69
7.1.30.0030.01015.78
7.1.20.0050.01015.66
7.1.10.0100.00215.60
7.1.00.0060.02817.99
7.0.330.0090.00315.28
7.0.320.0050.00615.23
7.0.310.0080.00615.34
7.0.300.0020.01215.51
7.0.290.0080.00515.21
7.0.280.0020.01415.23
7.0.270.0060.00615.40
7.0.260.0050.00915.06
7.0.250.0030.01115.13
7.0.240.0050.00815.49
7.0.230.0030.00915.38
7.0.220.0030.00815.30
7.0.210.0070.00515.34
7.0.200.0030.00915.66
7.0.190.0050.00615.45
7.0.180.0090.00215.31
7.0.170.0080.00515.41
7.0.160.0060.00615.37
7.0.150.0080.00515.23
7.0.140.0050.02817.63
7.0.130.0040.00815.35
7.0.120.0020.01415.12
7.0.110.0070.00515.22
7.0.100.0020.00815.50
7.0.90.0030.01115.36
7.0.80.0070.00815.41
7.0.70.0100.00215.24
7.0.60.0030.03516.92
7.0.50.0050.02516.32
7.0.40.0040.02715.83
7.0.30.0210.01715.81
7.0.20.0120.03015.84
7.0.10.0040.03015.76
7.0.00.0040.02815.85
5.6.400.0050.01214.19
5.6.390.0060.00414.06
5.6.380.0050.00914.17
5.6.370.0050.00614.34
5.6.360.0090.00414.18
5.6.350.0110.00414.25
5.6.340.0050.00814.36
5.6.330.0110.00314.39
5.6.320.0130.00114.23
5.6.310.0060.01114.44
5.6.300.0080.00414.25
5.6.290.0060.00714.08
5.6.280.0070.02616.58
5.6.270.0050.01114.34
5.6.260.0070.00814.23
5.6.250.0050.00914.25
5.6.240.0030.01314.34
5.6.230.0030.01214.42
5.6.220.0060.00714.10
5.6.210.0070.01716.35
5.6.200.0060.03515.48
5.6.190.0090.03016.39
5.6.180.0150.01716.24
5.6.170.0130.02516.26
5.6.160.0050.03216.38
5.6.150.0040.02515.45
5.6.140.0080.02815.58
5.6.130.0040.02015.58
5.6.120.0080.03116.36
5.6.110.0070.02916.57
5.6.100.0090.03016.51
5.6.90.0060.02816.50
5.6.80.0050.02916.31
5.6.70.0020.01414.13
5.6.60.0050.00814.10
5.6.50.0070.00714.22
5.6.40.0040.01014.28
5.6.30.0070.01014.25
5.6.20.0080.00514.24
5.6.10.0040.00614.19
5.6.00.0030.01014.22
5.5.380.0070.00914.15
5.5.370.0090.00214.09
5.5.360.0030.00814.19
5.5.350.0130.02916.32
5.5.340.0050.03115.52
5.5.330.0070.03116.08
5.5.320.0130.02016.27
5.5.310.0080.02016.20
5.5.300.0050.01915.50
5.5.290.0080.02315.27
5.5.280.0090.03016.50
5.5.270.0070.01616.33
5.5.260.0080.01816.39
5.5.250.0080.03016.20
5.5.240.0100.01316.18
5.5.230.0070.00814.12
5.5.220.0040.01014.20
5.5.210.0070.00614.19
5.5.200.0050.01214.13
5.5.190.0050.00514.22
5.5.180.0070.00614.21
5.5.170.0070.00414.04
5.5.160.0020.01014.18
5.5.150.0050.01014.27
5.5.140.0090.00113.99
5.5.130.0020.01114.02
5.5.120.0020.00914.16
5.5.110.0050.00714.07
5.5.100.0080.00214.14
5.5.90.0070.00714.19
5.5.80.0060.00513.97
5.5.70.0090.00413.97
5.5.60.0020.01014.18
5.5.50.0040.00913.99
5.5.40.0050.00513.83
5.5.30.0050.00914.08
5.5.20.0070.00713.83
5.5.10.0080.00314.02
5.5.00.0050.00813.83
5.4.450.0170.01714.74
5.4.440.0170.02214.68
5.4.430.0100.01814.73
5.4.420.0170.01714.77
5.4.410.0150.01714.74
5.4.400.0100.01814.56
5.4.390.0130.01714.54
5.4.380.0130.02014.44
5.4.370.0090.02114.48
5.4.360.0150.01814.51
5.4.350.0060.02714.37
5.4.340.0120.02414.48
5.4.330.0060.00412.31
5.4.320.0070.01812.34
5.4.310.0050.02112.41
5.4.300.0050.01512.43
5.4.290.0050.01512.39
5.4.280.0020.01612.36
5.4.270.0040.01712.35
5.4.260.0050.01612.32
5.4.250.0040.02112.42
5.4.240.0020.02012.42
5.4.230.0040.02012.39
5.4.220.0070.01412.38
5.4.210.0060.01812.33
5.4.200.0070.01812.37
5.4.190.0070.01712.36
5.4.180.0070.01812.25
5.4.170.0060.01812.34
5.4.160.0070.01812.25
5.4.150.0020.01912.45
5.4.140.0040.01812.22
5.4.130.0030.01912.33
5.4.120.0030.02012.15
5.4.110.0070.01612.21
5.4.100.0050.01712.17
5.4.90.0070.01512.26
5.4.80.0070.01612.18
5.4.70.0050.01412.17
5.4.60.0060.01412.29
5.4.50.0040.01512.16
5.4.40.0030.01712.20
5.4.30.0070.01412.26
5.4.20.0060.01512.24
5.4.10.0050.01612.20
5.4.00.0070.01512.02
5.3.290.0060.03912.80
5.3.280.0070.03712.71
5.3.270.0060.04012.72
5.3.260.0110.03912.72
5.3.250.0080.03712.72
5.3.240.0060.03912.72
5.3.230.0110.03312.71
5.3.220.0070.05212.68
5.3.210.0090.04512.68
5.3.200.0120.03912.68
5.3.190.0110.03912.68
5.3.180.0100.03312.68
5.3.170.0120.03412.67
5.3.160.0090.03712.67
5.3.150.0100.03412.67
5.3.140.0120.03212.66
5.3.130.0060.03912.65
5.3.120.0060.03912.66
5.3.110.0100.04312.65
5.3.100.0100.03312.12
5.3.90.0070.03612.11
5.3.80.0070.04112.09
5.3.70.0070.03612.10
5.3.60.0070.04212.08
5.3.50.0060.03612.03
5.3.40.0130.04512.03
5.3.30.0060.04511.98
5.3.20.0080.04811.77
5.3.10.0090.04511.73
5.3.00.0090.03511.73
5.2.170.0050.0319.23
5.2.160.0040.0309.23
5.2.150.0050.0309.23
5.2.140.0060.0349.22
5.2.130.0070.0359.18
5.2.120.0070.0279.19
5.2.110.0070.0339.19
5.2.100.0060.0299.18
5.2.90.0050.0429.18
5.2.80.0040.0379.18
5.2.70.0060.0379.18
5.2.60.0070.0359.14
5.2.50.0060.0299.11
5.2.40.0060.0359.08
5.2.30.0050.0339.05
5.2.20.0070.0359.04
5.2.10.0050.0298.95
5.2.00.0090.0268.81
5.1.60.0030.0258.10
5.1.50.0020.0278.10
5.1.40.0030.0258.07
5.1.30.0020.0288.42
5.1.20.0050.0258.44
5.1.10.0030.0278.18
5.1.00.0040.0288.18
5.0.50.0060.0186.64
5.0.40.0070.0236.50
5.0.30.0030.0326.33
5.0.20.0050.0226.28
5.0.10.0040.0236.26
5.0.00.0030.0316.26
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0030.0164.75
4.4.50.0040.0154.77
4.4.40.0050.0234.71
4.4.30.0060.0254.76
4.4.20.0030.0164.84
4.4.10.0030.0254.85
4.4.00.0030.0274.76
4.3.110.0010.0184.67
4.3.100.0060.0124.66
4.3.90.0020.0154.64
4.3.80.0050.0304.58
4.3.70.0020.0274.63
4.3.60.0050.0194.63
4.3.50.0040.0264.63
4.3.40.0020.0264.54
4.3.30.0030.0163.30
4.3.20.0040.0163.29
4.3.10.0040.0223.25
4.3.00.0070.01318.16

preferences:
31.32 ms | 401 KiB | 5 Q