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run code in 300+ PHP versions simultaneously
<?php namespace \One; abstract class Abs { public function __toString() { return strtolower(get_called_class()); /* Should print test, not abs :P */ } } namespace \Two; class Test extends \One\Abs { } $x = new \Two\Test; echo $x;

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)
8.3.70.0160.00316.88
8.3.60.0100.01016.63
8.3.50.0100.01022.86
8.3.40.0180.00018.73
8.3.30.0100.00318.85
8.3.20.0040.00420.13
8.3.10.0000.00821.76
8.3.00.0080.00017.80
8.2.180.0070.01416.50
8.2.170.0070.01422.96
8.2.160.0140.00720.38
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0000.00820.94
8.2.110.0090.00022.10
8.2.100.0130.00019.31
8.2.90.0070.00019.04
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.52
8.2.50.0050.00318.07
8.2.40.0040.00417.84
8.2.30.0000.00717.90
8.2.20.0080.00017.58
8.2.10.0040.00417.77
8.2.00.0040.00417.66
8.1.280.0030.01025.92
8.1.270.0030.00623.71
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00423.96
8.1.230.0000.01119.00
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00917.10
8.1.190.0050.00317.11
8.1.180.0000.00818.10
8.1.170.0040.00418.50
8.1.160.0070.00021.83
8.1.150.0000.00718.71
8.1.140.0000.00717.29
8.1.130.0030.00317.62
8.1.120.0070.00017.37
8.1.110.0030.00517.36
8.1.100.0000.00717.31
8.1.90.0040.00417.23
8.1.80.0000.00717.39
8.1.70.0030.00317.25
8.1.60.0040.00417.49
8.1.50.0040.00417.29
8.1.40.0000.00817.35
8.1.30.0080.00017.49
8.1.20.0040.00417.43
8.1.10.0000.00717.27
8.1.00.0000.00717.31
8.0.300.0050.00318.77
8.0.290.0070.00016.75
8.0.280.0070.00018.24
8.0.270.0040.00417.04
8.0.260.0000.00817.11
8.0.250.0030.00516.89
8.0.240.0080.00016.94
8.0.230.0030.00316.87
8.0.220.0000.00716.86
8.0.210.0060.00016.88
8.0.200.0000.00716.79
8.0.190.0000.00716.93
8.0.180.0030.00316.90
8.0.170.0050.00316.76
8.0.160.0030.00316.98
8.0.150.0000.00716.76
8.0.140.0000.00816.79
8.0.130.0000.00613.44
8.0.120.0060.00316.82
8.0.110.0000.00716.88
8.0.100.0000.00716.80
8.0.90.0000.00716.80
8.0.80.0130.00916.90
8.0.70.0050.00216.82
8.0.60.0070.00016.97
8.0.50.0000.00716.92
8.0.30.0080.01216.97
8.0.20.0150.00717.40
8.0.10.0070.00016.93
8.0.00.0080.00816.72
7.4.330.0000.00515.04
7.4.320.0060.00016.53
7.4.300.0030.00316.52
7.4.290.0030.00316.50
7.4.280.0060.00316.37
7.4.270.0000.00816.41
7.4.260.0060.00316.43
7.4.250.0040.00416.50
7.4.240.0020.00516.48
7.4.230.0000.00716.63
7.4.220.0070.01016.57
7.4.210.0130.00616.55
7.4.200.0000.00716.61
7.4.160.0030.01216.46
7.4.150.0110.00817.40
7.4.140.0070.01117.86
7.4.130.0050.01316.58
7.4.120.0080.00816.42
7.4.110.0070.01116.64
7.4.100.0110.00816.39
7.4.90.0120.01216.51
7.4.80.0130.00319.39
7.4.70.0060.00916.64
7.4.60.0070.01016.48
7.4.50.0030.00616.34
7.4.40.0110.00716.62
7.4.30.0060.00916.43
7.4.00.0060.00614.80
7.3.330.0070.00013.13
7.3.320.0060.00013.15
7.3.310.0000.00716.22
7.3.300.0070.00016.30
7.3.290.0040.01116.28
7.3.280.0120.00516.25
7.3.270.0120.00617.40
7.3.260.0130.00616.41
7.3.250.0110.00816.45
7.3.240.0040.01516.28
7.3.230.0120.00616.41
7.3.210.0090.00616.44
7.3.200.0130.00819.39
7.3.190.0060.01016.29
7.3.180.0090.01116.41
7.3.170.0100.00716.32
7.3.160.0000.01516.48
7.3.120.0060.00914.88
7.3.10.0120.00316.59
7.3.00.0060.00516.61
7.2.330.0110.00716.45
7.2.320.0140.00316.61
7.2.310.0140.00316.52
7.2.300.0110.00616.67
7.2.290.0130.00916.55
7.2.130.0090.00516.69
7.2.120.0110.00316.83
7.2.110.0050.01016.66
7.2.100.0100.00616.63
7.2.90.0070.00616.77
7.2.80.0050.01016.61
7.2.70.0060.00916.76
7.2.60.0070.00716.68
7.2.50.0070.01016.66
7.2.40.0090.00916.93
7.2.30.0100.00816.81
7.2.20.0070.00616.69
7.2.10.0110.00516.42
7.2.00.0090.00617.46
7.1.250.0050.00815.57
7.1.240.0060.00915.61
7.1.230.0060.00615.68
7.1.220.0080.00815.61
7.1.210.0040.01115.34
7.1.200.0060.00815.53
7.1.190.0060.01015.35
7.1.180.0060.00615.66
7.1.170.0130.00315.38
7.1.160.0080.00815.48
7.1.150.0030.01015.65
7.1.140.0030.01015.30
7.1.130.0120.00315.67
7.1.120.0060.00615.74
7.1.110.0080.00815.70
7.1.100.0080.01116.97
7.1.90.0090.00615.42
7.1.80.0070.00715.62
7.1.70.0060.00816.37
7.1.60.0100.01117.45
7.1.50.0070.01216.20
7.1.40.0060.00915.52
7.1.30.0070.01015.32
7.1.20.0070.01015.61
7.1.10.0030.01015.58
7.1.00.0070.04218.97
7.0.330.0080.00815.02
7.0.320.0070.01015.20
7.0.310.0030.01315.16
7.0.300.0100.00715.01
7.0.290.0070.00715.33
7.0.280.0090.00315.32
7.0.270.0060.01014.79
7.0.260.0110.00015.31
7.0.250.0090.00915.20
7.0.240.0060.00615.12
7.0.230.0100.00715.42
7.0.220.0070.00415.20
7.0.210.0070.00715.41
7.0.200.0080.00315.96
7.0.190.0140.00415.28
7.0.180.0070.00714.96
7.0.170.0120.00614.98
7.0.160.0120.00815.11
7.0.150.0060.01015.04
7.0.140.0070.03918.50
7.0.130.0030.00815.12
7.0.120.0060.00915.08
7.0.110.0060.00615.00
7.0.100.0120.00315.18
7.0.90.0110.00715.34
7.0.80.0090.00315.04
7.0.70.0090.00914.98
7.0.60.0100.03717.67
7.0.50.0170.03316.64
7.0.40.0090.02316.61
7.0.30.0150.04016.79
7.0.20.0220.03516.69
7.0.10.0070.04716.82
7.0.00.0050.02816.82
5.6.380.0030.00913.93
5.6.370.0070.00714.05
5.6.360.0030.00614.01
5.6.350.0120.00014.03
5.6.340.0000.01314.23
5.6.330.0060.00613.97
5.6.320.0060.00313.75
5.6.310.0130.00313.80
5.6.300.0090.00013.86
5.6.290.0070.00714.24
5.6.280.0050.04117.46
5.6.270.0100.00313.82
5.6.260.0070.00714.15
5.6.250.0000.01114.18
5.6.240.0080.00414.02
5.6.230.0110.00413.88
5.6.220.0070.00414.07
5.6.210.0050.04017.30
5.6.200.0070.04216.16
5.6.190.0100.03817.25
5.6.180.0100.02917.33
5.6.170.0170.03117.29
5.6.160.0050.04417.23
5.6.150.0030.03916.14
5.6.140.0050.04716.20
5.6.130.0130.03816.13
5.6.120.0050.02417.54
5.6.110.0050.03917.69
5.6.100.0100.04017.43
5.6.90.0130.03617.53
5.6.80.0070.04217.19
5.6.70.0060.01013.79
5.6.60.0060.00614.02
5.6.50.0070.00314.27
5.6.40.0030.00613.88
5.6.30.0090.00913.99
5.6.20.0160.00013.91
5.6.10.0070.00713.86
5.6.00.0070.00713.75
5.5.380.0000.01110.67
5.5.370.0040.00410.90
5.5.360.0030.00910.91
5.5.350.0020.03815.57
5.5.340.0020.04514.49
5.5.330.0050.03515.58
5.5.320.0080.01815.37
5.5.310.0170.04515.58
5.5.300.0030.04414.57
5.5.290.0060.03514.47
5.5.280.0070.04415.91
5.5.270.0080.04715.57
5.5.260.0080.03715.67
5.5.250.0070.03015.58
5.5.240.0080.03415.48
5.5.230.0070.00710.80
5.5.220.0040.00710.49
5.5.210.0070.00010.93
5.5.200.0060.00010.68
5.5.190.0040.00410.46
5.5.180.0000.01210.71
5.5.170.0050.00510.55
5.5.160.0030.00611.04
5.5.150.0060.00610.73
5.5.140.0000.01310.86
5.5.130.0040.00810.77
5.5.120.0090.00311.15
5.5.110.0060.00610.77
5.5.100.0060.00611.16
5.5.90.0030.00910.70
5.5.80.0000.01011.05
5.5.70.0040.00710.57
5.5.60.0060.00610.90
5.5.50.0040.00710.83
5.5.40.0060.00610.46
5.5.30.0060.00610.61
5.5.20.0080.00310.88
5.5.10.0110.00010.44
5.5.00.0030.01010.53
5.4.450.0120.02815.13
5.4.440.0210.02114.83
5.4.430.0320.01815.10
5.4.420.0260.02115.11
5.4.410.0390.02115.25
5.4.400.0200.02514.92
5.4.390.0460.02514.96
5.4.380.0500.02914.76
5.4.370.0610.02814.80
5.4.360.0590.03214.83
5.4.350.0600.03114.66
5.4.340.0440.03214.66
5.4.330.0090.00910.95
5.4.320.0080.02111.67
5.4.310.0060.02211.51
5.4.300.0080.02311.75
5.4.290.0100.02111.58
5.4.280.0030.02511.57
5.4.270.0100.01611.64
5.4.260.0090.02111.50
5.4.250.0070.02311.57
5.4.240.0070.02211.72
5.4.230.0070.02311.60
5.4.220.0090.02111.45
5.4.210.0100.02111.59
5.4.200.0110.02311.60
5.4.190.0050.02811.42
5.4.180.0080.02511.60
5.4.170.0020.02911.67
5.4.160.0060.02211.73
5.4.150.0100.01811.70
5.4.140.0090.02111.51
5.4.130.0100.01911.44
5.4.120.0080.02011.41
5.4.110.0070.02111.38
5.4.100.0090.02011.43
5.4.90.0060.02311.38
5.4.80.0030.02311.45
5.4.70.0060.02111.25
5.4.60.0050.02111.39
5.4.50.0060.01911.32
5.4.40.0040.02111.46
5.4.30.0090.01911.46
5.4.20.0070.01811.21
5.4.10.0080.01911.21
5.4.00.0100.02111.02
5.3.290.0090.02211.62
5.3.280.0070.02611.35
5.3.270.0070.02311.54
5.3.260.0040.02411.52
5.3.250.0100.02011.43
5.3.240.0080.02411.49
5.3.230.0120.02011.39
5.3.220.0080.02311.34
5.3.210.0060.02511.48
5.3.200.0060.02211.44
5.3.190.0060.02111.50
5.3.180.0040.02111.56
5.3.170.0050.02111.39
5.3.160.0070.02211.43
5.3.150.0040.02511.53
5.3.140.0020.02311.52
5.3.130.0040.02311.50
5.3.120.0060.02011.51
5.3.110.0050.02311.42
5.3.100.0020.02511.21
5.3.90.0040.02211.25
5.3.80.0040.02311.12
5.3.70.0050.02311.19
5.3.60.0020.02511.13
5.3.50.0020.02611.16
5.3.40.0060.02111.14
5.3.30.0020.02310.99
5.3.20.0040.02311.01
5.3.10.0020.02310.81
5.3.00.0070.01910.88
5.2.170.0070.0149.29
5.2.160.0040.0199.29
5.2.150.0060.0219.29
5.2.140.0040.0179.29
5.2.130.0020.0239.27
5.2.120.0030.0159.27
5.2.110.0040.0189.27
5.2.100.0030.0179.27
5.2.90.0070.0159.27
5.2.80.0050.0179.27
5.2.70.0020.0189.27
5.2.60.0030.0199.25
5.2.50.0040.0199.23
5.2.40.0030.0189.22
5.2.30.0060.0179.21
5.2.20.0040.0189.20
5.2.10.0040.0189.16
5.2.00.0060.0169.09
5.1.60.0060.0128.73
5.1.50.0010.0188.73
5.1.40.0030.0198.72
5.1.30.0030.0158.90
5.1.20.0040.0158.91
5.1.10.0040.0148.77
5.1.00.0050.0148.77
5.0.50.0050.0108.01
5.0.40.0040.0117.94
5.0.30.0030.0227.85
5.0.20.0060.0097.83
5.0.10.0060.0097.82
5.0.00.0040.0177.81
4.4.90.0010.0117.09
4.4.80.0040.0087.08
4.4.70.0010.0127.07
4.4.60.0020.0107.07
4.4.50.0030.0097.08
4.4.40.0050.0137.05
4.4.30.0040.0087.08
4.4.20.0050.0087.12
4.4.10.0040.0087.13
4.4.00.0040.0187.08
4.3.110.0030.0127.03
4.3.100.0010.0127.03
4.3.90.0020.0107.02
4.3.80.0030.0166.99
4.3.70.0030.0117.01
4.3.60.0010.0107.01
4.3.50.0020.0107.01
4.3.40.0030.0146.97
4.3.30.0020.0116.34
4.3.20.0040.0096.33
4.3.10.0020.0106.31
4.3.00.0080.01012.64

preferences:
55.18 ms | 401 KiB | 5 Q