3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { public static function get() { static $instance = null; if ($instance === null) { $instance = new static(); } return $instance; } } final class B extends A { } final class C extends A { } var_dump(A::get()); var_dump(B::get()); var_dump(C::get());

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)
8.3.60.0090.00618.18
8.3.50.0130.00821.14
8.3.40.0150.00018.70
8.3.30.0080.00819.21
8.3.20.0080.00020.21
8.3.10.0040.00423.61
8.3.00.0060.00319.51
8.2.180.0090.00618.29
8.2.170.0110.00422.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0050.00524.66
8.2.130.0080.00026.16
8.2.120.0030.00522.29
8.2.110.0070.00322.17
8.2.100.0060.00617.75
8.2.90.0000.00919.05
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0070.00418.03
8.2.50.0060.00318.07
8.2.40.0050.00318.20
8.2.30.0060.00318.07
8.2.20.0040.00417.63
8.2.10.0040.00417.95
8.2.00.0080.00017.68
8.1.280.0100.00725.92
8.1.270.0060.00323.79
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0110.00019.10
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0060.00617.09
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0060.00318.55
8.1.160.0000.00821.98
8.1.150.0050.00218.89
8.1.140.0050.00217.41
8.1.130.0030.00317.77
8.1.120.0000.00717.39
8.1.110.0070.00017.38
8.1.100.0050.00317.23
8.1.90.0030.00617.38
8.1.80.0040.00417.34
8.1.70.0030.00317.31
8.1.60.0050.00317.43
8.1.50.0000.00817.47
8.1.40.0050.00317.46
8.1.30.0040.00417.50
8.1.20.0000.00717.45
8.1.10.0000.00717.52
8.1.00.0080.00017.37
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.45
8.0.270.0040.00417.27
8.0.260.0040.00417.27
8.0.250.0000.00717.00
8.0.240.0030.00317.05
8.0.230.0020.00517.06
8.0.220.0070.00016.87
8.0.210.0000.00716.90
8.0.200.0030.00316.92
8.0.190.0060.00316.92
8.0.180.0000.00717.04
8.0.170.0030.00716.97
8.0.160.0070.00017.01
8.0.150.0000.00716.89
8.0.140.0030.00516.99
8.0.130.0030.00313.39
8.0.120.0050.00216.93
8.0.110.0020.00516.86
8.0.100.0040.00416.77
8.0.90.0040.00416.87
8.0.80.0060.01116.89
8.0.70.0000.00717.00
8.0.60.0000.00816.78
8.0.50.0060.00316.98
8.0.30.0060.01217.06
8.0.20.0130.00417.40
8.0.10.0040.00416.91
8.0.00.0080.01016.79
7.4.330.0000.00615.02
7.4.320.0030.00316.45
7.4.300.0030.00316.55
7.4.290.0070.00016.53
7.4.280.0040.00416.46
7.4.270.0030.00516.45
7.4.260.0030.00616.34
7.4.250.0030.00516.32
7.4.240.0050.00216.48
7.4.230.0000.00716.50
7.4.220.0130.01316.42
7.4.210.0070.00716.57
7.4.200.0050.00216.53
7.4.160.0080.00816.43
7.4.150.0060.01217.40
7.4.140.0110.01117.86
7.4.130.0120.00516.47
7.4.120.0070.00916.51
7.4.110.0150.00616.63
7.4.100.0100.00616.48
7.4.90.0120.00816.61
7.4.80.0060.01519.39
7.4.70.0130.00716.38
7.4.60.0110.00716.36
7.4.50.0090.00016.10
7.4.40.0030.01316.40
7.4.30.0070.01016.54
7.4.00.0080.01014.82
7.3.330.0000.00513.44
7.3.320.0050.00013.39
7.3.310.0000.00716.46
7.3.300.0050.00216.39
7.3.290.0060.01016.42
7.3.280.0090.00716.43
7.3.270.0170.00017.40
7.3.260.0140.00416.35
7.3.250.0060.01216.40
7.3.240.0130.00616.61
7.3.230.0110.00616.45
7.3.210.0110.00716.50
7.3.200.0120.01119.39
7.3.190.0080.00816.48
7.3.180.0100.00616.28
7.3.170.0070.01016.49
7.3.160.0090.00916.34
7.3.120.0000.01814.89
7.3.110.0060.00914.91
7.3.100.0030.01014.88
7.3.90.0160.00315.01
7.3.80.0100.00315.05
7.3.70.0000.01514.62
7.3.60.0030.01014.62
7.3.50.0070.00714.98
7.3.40.0030.00914.85
7.3.30.0090.00614.81
7.3.20.0100.00316.80
7.3.10.0030.00816.55
7.3.00.0010.00916.64
7.2.330.0080.00916.64
7.2.320.0100.00716.47
7.2.310.0080.00816.63
7.2.300.0130.00416.42
7.2.290.0110.00716.69
7.2.250.0100.01015.16
7.2.240.0110.00414.84
7.2.230.0080.00314.76
7.2.220.0100.01014.75
7.2.210.0070.00714.72
7.2.200.0060.01015.02
7.2.190.0000.01314.73
7.2.180.0030.01014.89
7.2.170.0050.00514.97
7.2.130.0030.01116.91
7.2.120.0050.00516.73
7.2.110.0050.00516.73
7.2.100.0110.00516.63
7.2.90.0140.00316.84
7.2.80.0050.01116.80
7.2.70.0050.01216.84
7.2.60.0080.00716.79
7.2.50.0060.01016.90
7.2.40.0060.00816.75
7.2.30.0050.00716.84
7.2.20.0030.01016.95
7.2.10.0050.01016.81
7.2.00.0080.00517.53
7.1.330.0030.01015.66
7.1.320.0030.01015.64
7.1.310.0090.00015.96
7.1.300.0110.00415.49
7.1.290.0000.01415.57
7.1.280.0000.01215.74
7.1.270.0070.00715.57
7.1.260.0040.00715.72
7.1.250.0060.00515.59
7.1.240.0090.00315.33
7.1.230.0040.00715.44
7.1.220.0040.00415.62
7.1.210.0060.00615.69
7.1.200.0060.00815.83
7.1.190.0060.00615.74
7.1.180.0030.01015.75
7.1.170.0040.01115.56
7.1.160.0030.01415.80
7.1.150.0060.01215.57
7.1.140.0030.00715.56
7.1.130.0030.00615.54
7.1.120.0000.00915.55
7.1.110.0060.00815.52
7.1.100.0060.00716.86
7.1.90.0070.00715.77
7.1.80.0070.00715.71
7.1.70.0050.00516.28
7.1.60.0100.00717.47
7.1.50.0090.01116.40
7.1.40.0030.00715.79
7.1.30.0060.00315.71
7.1.20.0030.00915.70
7.1.10.0070.00715.55
7.1.00.0020.04618.94
7.0.330.0000.01215.25
7.0.320.0040.00415.41
7.0.310.0040.00415.38
7.0.300.0040.01115.14
7.0.290.0030.01015.42
7.0.280.0070.00715.37
7.0.270.0040.00415.04
7.0.260.0000.01415.38
7.0.250.0030.00615.31
7.0.240.0070.00715.44
7.0.230.0060.00815.41
7.0.220.0100.00615.31
7.0.210.0140.00015.21
7.0.200.0020.01216.09
7.0.190.0080.00415.45
7.0.180.0000.01015.21
7.0.170.0030.00615.43
7.0.160.0040.00815.43
7.0.150.0000.00715.38
7.0.140.0020.04318.80
7.0.130.0000.00815.48
7.0.120.0060.00615.07
7.0.110.0000.01015.54
7.0.100.0000.01115.45
7.0.90.0060.00615.37
7.0.80.0000.00915.46
7.0.70.0030.00615.20
7.0.60.0080.04017.58
7.0.50.0060.04516.79
7.0.40.0030.04716.78
7.0.30.0130.04216.77
7.0.20.0180.04016.87
7.0.10.0050.04616.69
7.0.00.0060.03616.74
5.6.380.0020.00514.35
5.6.370.0030.01014.25
5.6.360.0090.00614.44
5.6.350.0070.00414.50
5.6.340.0030.00714.23
5.6.330.0140.00013.96
5.6.320.0070.00714.35
5.6.310.0060.00614.64
5.6.300.0030.00714.35
5.6.290.0040.00814.14
5.6.280.0080.03617.57
5.6.270.0000.00914.30
5.6.260.0070.00314.25
5.6.250.0040.00414.22
5.6.240.0060.00314.22
5.6.230.0060.00614.62
5.6.220.0090.00314.42
5.6.210.0100.04017.49
5.6.200.0020.02516.22
5.6.190.0050.04217.51
5.6.180.0150.02717.49
5.6.170.0110.02017.52
5.6.160.0070.04517.36
5.6.150.0100.02716.20
5.6.140.0060.03516.23
5.6.130.0030.05016.29
5.6.120.0050.03517.69
5.6.110.0100.03917.59
5.6.100.0100.04217.73
5.6.90.0080.04617.56
5.6.80.0090.03517.39
5.6.70.0080.00414.36
5.6.60.0040.01113.98
5.6.50.0060.00613.79
5.6.40.0130.00014.13
5.6.30.0040.01114.36
5.6.20.0100.00314.48
5.6.10.0100.00014.34
5.6.00.0030.01014.18
5.5.380.0020.00511.11
5.5.370.0030.00311.23
5.5.360.0050.00211.23
5.5.350.2050.02115.90
5.5.340.0020.04414.57
5.5.330.0030.04615.99
5.5.320.0130.04315.52
5.5.310.0150.03915.73
5.5.300.0060.02314.35
5.5.290.0060.04114.68
5.5.280.0070.03715.93
5.5.270.0070.04415.97
5.5.260.0050.05015.71
5.5.250.0060.03815.79
5.5.240.0150.03315.48
5.5.230.0050.00011.07
5.5.220.0060.00011.03
5.5.210.0030.00710.78
5.5.200.0070.00310.70
5.5.190.0080.00311.14
5.5.180.0030.00311.26
5.5.170.0030.01010.80
5.5.160.0060.00611.03
5.5.150.0070.00311.30
5.5.140.0070.00711.22
5.5.130.0000.00710.95
5.5.120.0000.01011.30
5.5.110.0030.00911.05
5.5.100.0000.00911.19
5.5.90.0000.00911.21
5.5.80.0040.00711.10
5.5.70.0070.00710.83
5.5.60.0070.00711.24
5.5.50.0000.01111.22
5.5.40.0050.00310.85
5.5.30.0070.00411.21
5.5.20.0030.00310.99
5.5.10.0000.01310.85
5.5.00.0030.00910.94
5.4.450.0420.03615.28
5.4.440.0430.02515.32
5.4.430.0400.03515.38
5.4.420.0370.03715.24
5.4.410.0020.03815.36
5.4.400.0350.03115.08
5.4.390.0460.03115.13
5.4.380.0100.04014.98
5.4.370.0460.03314.98
5.4.360.0050.03715.11
5.4.350.0390.03115.05
5.4.340.0060.02011.51
5.4.330.0000.01210.88
5.4.320.0040.02311.64
5.4.310.0040.02111.65
5.4.300.0040.02311.78
5.4.290.0060.02211.82
5.4.280.0030.02411.76
5.4.270.0050.02411.48
5.4.260.0050.02011.71
5.4.250.0060.02111.74
5.4.240.0050.02211.68
5.4.230.0040.02511.69
5.4.220.0070.02011.51
5.4.210.0040.02411.64
5.4.200.0020.02811.47
5.4.190.0070.02511.68
5.4.180.0070.02011.69
5.4.170.0090.02011.63
5.4.160.0040.02711.66
5.4.150.0060.02011.65
5.4.140.0040.02111.48
5.4.130.0030.02411.58
5.4.120.0030.02511.50
5.4.110.0040.02611.32
5.4.100.0050.02011.38
5.4.90.0080.02411.37
5.4.80.0060.02111.42
5.4.70.0040.02011.58
5.4.60.0030.02311.51
5.4.50.0080.02511.47
5.4.40.0070.01711.45
5.4.30.0070.01911.41
5.4.20.0050.02611.44
5.4.10.0050.02711.31
5.4.00.0060.03011.22
5.3.290.0090.02411.80
5.3.280.0060.02111.63
5.3.270.0070.02411.69
5.3.260.0050.02311.64
5.3.250.0080.02011.69
5.3.240.0050.02211.61
5.3.230.0050.02311.62
5.3.220.0040.02711.52
5.3.210.0070.02311.47
5.3.200.0080.02211.47
5.3.190.0040.02311.60
5.3.180.0060.02311.70
5.3.170.0070.02611.67
5.3.160.0070.02111.68
5.3.150.0060.02411.56
5.3.140.0050.02411.63
5.3.130.0060.02111.52
5.3.120.0070.02111.60
5.3.110.0060.02111.66
5.3.100.0090.01911.38
5.3.90.0050.02111.36
5.3.80.0050.02311.28
5.3.70.0050.02011.29
5.3.60.0040.02211.24
5.3.50.0060.01811.26
5.3.40.0040.02311.26
5.3.30.0090.01811.25
5.3.20.0050.02011.12
5.3.10.0080.01810.95
5.3.00.0070.02010.95
5.2.170.0020.0219.70
5.2.160.0050.0179.70
5.2.150.0030.0209.70
5.2.140.0030.0199.70
5.2.130.0050.0169.68
5.2.120.0080.0139.68
5.2.110.0050.0169.68
5.2.100.0030.0179.68
5.2.90.0060.0179.67
5.2.80.0020.0199.67
5.2.70.0050.0199.67
5.2.60.0070.0169.65
5.2.50.0030.0199.63
5.2.40.0040.0209.62
5.2.30.0060.0209.61
5.2.20.0060.0169.61
5.2.10.0040.0179.56
5.2.00.0040.0159.49
5.1.60.0030.0159.13
5.1.50.0030.0159.13
5.1.40.0040.0159.12
5.1.30.0060.0189.29
5.1.20.0070.0179.31
5.1.10.0020.0159.17
5.1.00.0030.0179.17
5.0.50.0060.0098.41
5.0.40.0040.0108.34
5.0.30.0060.0168.25
5.0.20.0030.0128.22
5.0.10.0020.0128.21
5.0.00.0030.0178.21
4.4.90.0040.0087.47
4.4.80.0030.0117.46
4.4.70.0020.0097.46
4.4.60.0030.0107.46
4.4.50.0030.0097.47
4.4.40.0020.0157.44
4.4.30.0030.0107.46
4.4.20.0030.0097.51
4.4.10.0050.0077.51
4.4.00.0010.0177.46
4.3.110.0020.0137.42
4.3.100.0030.0097.42
4.3.90.0030.0097.40
4.3.80.0040.0147.38
4.3.70.0010.0117.40
4.3.60.0040.0077.40
4.3.50.0030.0127.40
4.3.40.0020.0167.35
4.3.30.0040.0096.72
4.3.20.0020.0106.71
4.3.10.0020.0116.70
4.3.00.0070.0138.64

preferences:
42.25 ms | 401 KiB | 5 Q