3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I {} class C implements I {} class D {} var_dump((new C) instanceof I); var_dump((new D) instanceof I); var_dump(is_a(new C, 'I')); var_dump(is_a(new D, 'I'));

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)
8.3.60.0070.00716.38
8.3.50.0150.00222.92
8.3.40.0000.01418.65
8.3.30.0140.00019.00
8.3.20.0040.00420.13
8.3.10.0040.00423.66
8.3.00.0040.00419.26
8.2.180.0190.00316.75
8.2.170.0070.01022.96
8.2.160.0070.00720.28
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00421.09
8.2.110.0060.00320.40
8.2.100.0000.01118.03
8.2.90.0040.00419.07
8.2.80.0000.00917.97
8.2.70.0030.00617.25
8.2.60.0000.00817.93
8.2.50.0030.00918.07
8.2.40.0050.00318.11
8.2.30.0030.00517.92
8.2.20.0000.00817.63
8.2.10.0000.00818.07
8.2.00.0030.00617.68
8.1.280.0170.00325.92
8.1.270.0040.00422.20
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0040.00423.88
8.1.230.0080.00318.97
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.01317.10
8.1.190.0000.01017.13
8.1.180.0000.00818.10
8.1.170.0000.00918.57
8.1.160.0040.00421.97
8.1.150.0000.00718.90
8.1.140.0040.00417.27
8.1.130.0000.00717.80
8.1.120.0070.00017.41
8.1.110.0050.00317.38
8.1.100.0030.00317.30
8.1.90.0000.00717.25
8.1.80.0060.00317.30
8.1.70.0000.00717.28
8.1.60.0000.00717.41
8.1.50.0050.00317.50
8.1.40.0030.00617.32
8.1.30.0000.00817.43
8.1.20.0000.00717.57
8.1.10.0000.00717.52
8.1.00.0000.00717.28
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0070.00018.36
8.0.270.0030.00317.26
8.0.260.0050.00317.30
8.0.250.0030.00316.87
8.0.240.0000.00716.92
8.0.230.0000.00716.80
8.0.220.0050.00216.85
8.0.210.0030.00316.75
8.0.200.0030.00316.88
8.0.190.0040.00416.88
8.0.180.0070.00016.77
8.0.170.0000.00816.82
8.0.160.0040.00416.73
8.0.150.0050.00316.68
8.0.140.0030.00316.80
8.0.130.0000.00613.16
8.0.120.0040.00416.75
8.0.110.0070.00016.75
8.0.100.0000.00716.70
8.0.90.0020.00516.80
8.0.80.0090.00616.77
8.0.70.0020.00516.94
8.0.60.0030.00316.85
8.0.50.0000.00716.87
8.0.30.0070.01516.86
8.0.20.0110.01017.40
8.0.10.0000.00816.98
8.0.00.0050.01716.59
7.4.330.0000.00515.02
7.4.320.0000.00616.46
7.4.300.0070.00016.58
7.4.290.0030.00316.53
7.4.280.0040.00416.42
7.4.270.0040.00416.43
7.4.260.0070.00316.46
7.4.250.0050.00316.41
7.4.240.0030.00316.50
7.4.230.0020.00516.64
7.4.220.0100.01016.65
7.4.210.0030.01016.55
7.4.200.0000.00716.32
7.4.160.0040.01216.40
7.4.150.0040.01517.40
7.4.140.0100.00617.86
7.4.130.0100.00716.48
7.4.120.0070.01016.44
7.4.110.0060.01016.59
7.4.100.0110.00616.36
7.4.90.0130.00316.61
7.4.80.0120.01216.54
7.4.70.0090.00916.19
7.4.60.0070.01016.47
7.4.50.0040.00416.35
7.4.40.0130.00316.47
7.4.30.0070.01016.27
7.4.00.0060.00914.86
7.3.330.0000.00513.20
7.3.320.0000.00613.15
7.3.310.0070.00016.19
7.3.300.0040.00416.22
7.3.290.0120.00616.20
7.3.280.0110.00516.15
7.3.270.0090.00917.40
7.3.260.0130.01016.47
7.3.250.0100.00616.37
7.3.240.0130.01016.39
7.3.230.0060.01016.45
7.3.210.0100.00716.39
7.3.200.0070.01019.39
7.3.190.0060.01116.31
7.3.180.0110.00416.23
7.3.170.0090.00616.38
7.3.160.0090.00616.34
7.3.120.0040.01514.70
7.3.110.0030.01214.88
7.3.100.0060.00914.39
7.3.90.0060.00314.72
7.3.80.0040.00414.64
7.3.70.0030.01214.63
7.3.60.0090.00314.76
7.3.50.0030.00614.87
7.3.40.0060.00314.50
7.3.30.0060.00814.62
7.3.20.0000.01216.64
7.3.10.0080.00516.53
7.3.00.0050.00916.48
7.2.330.0060.01616.52
7.2.320.0120.00616.52
7.2.310.0060.01316.43
7.2.300.0110.00516.50
7.2.290.0100.00616.22
7.2.250.0000.01514.76
7.2.240.0130.00314.82
7.2.230.0000.01114.88
7.2.220.0030.00814.98
7.2.210.0030.00915.18
7.2.200.0060.00315.07
7.2.190.0060.00614.75
7.2.180.0050.00814.76
7.2.170.0060.00914.77
7.2.130.0020.01216.75
7.2.120.0030.01116.53
7.2.110.0050.00716.58
7.2.100.0090.00516.68
7.2.90.0060.00816.63
7.2.80.0090.00216.63
7.2.70.0070.00716.66
7.2.60.0050.01116.59
7.2.50.0060.00816.87
7.2.40.0060.00616.74
7.2.30.0060.00916.79
7.2.20.0060.00616.77
7.2.10.0060.00716.77
7.2.00.0060.00817.38
7.1.330.0030.01415.59
7.1.320.0070.00715.75
7.1.310.0080.00015.80
7.1.300.0080.00015.65
7.1.290.0030.01015.37
7.1.280.0110.00415.52
7.1.270.0090.00615.55
7.1.260.0000.01415.70
7.1.250.0060.00615.72
7.1.240.0060.00315.70
7.1.230.0120.00015.58
7.1.220.0090.00315.56
7.1.210.0090.00315.59
7.1.200.0000.01315.68
7.1.190.0070.00715.52
7.1.180.0060.00615.63
7.1.170.0100.00015.52
7.1.160.0000.01515.66
7.1.150.0100.00315.31
7.1.140.0080.00815.65
7.1.130.0090.00615.53
7.1.120.0080.00415.81
7.1.110.0080.00315.85
7.1.100.0050.00816.74
7.1.90.0040.00815.59
7.1.80.0070.00315.75
7.1.70.0040.00716.24
7.1.60.0120.00717.61
7.1.50.0080.00716.15
7.1.40.0080.00315.41
7.1.30.0040.00415.58
7.1.20.0030.01015.79
7.1.10.0030.01315.70
7.1.00.0030.04319.22
7.0.320.0030.00715.26
7.0.310.0030.00915.38
7.0.300.0060.00615.32
7.0.290.0060.00615.30
7.0.280.0080.00015.34
7.0.270.0050.00315.21
7.0.260.0000.01315.42
7.0.250.0060.00615.29
7.0.240.0040.00415.33
7.0.230.0040.00815.30
7.0.220.0100.00315.33
7.0.210.0080.00315.17
7.0.200.0000.00715.96
7.0.190.0040.01215.03
7.0.180.0110.00415.31
7.0.170.0040.00415.45
7.0.160.0000.01515.13
7.0.150.0040.00715.01
7.0.140.0050.04018.79
7.0.130.0060.00615.43
7.0.120.0040.00415.39
7.0.110.0080.00315.41
7.0.100.0030.00915.29
7.0.90.0040.00815.30
7.0.80.0030.01015.45
7.0.70.0030.00915.15
7.0.60.0070.02317.66
7.0.50.0080.03816.73
7.0.40.0060.02616.83
7.0.30.0300.04016.83
7.0.20.0130.02516.66
7.0.10.0030.02316.77
7.0.00.0050.03016.81
5.6.380.0060.00614.30
5.6.370.0030.01314.17
5.6.360.0090.00314.47
5.6.350.0030.00614.39
5.6.340.0080.00614.57
5.6.330.0130.00314.59
5.6.320.0030.01014.11
5.6.310.0060.00314.31
5.6.300.0070.00714.49
5.6.290.0070.01014.20
5.6.280.0060.03817.61
5.6.270.0000.01314.22
5.6.260.0060.00614.36
5.6.250.0100.00314.29
5.6.240.0000.01114.49
5.6.230.0000.01014.59
5.6.220.0000.00714.16
5.6.210.0090.04317.53
5.6.200.0130.03016.10
5.6.190.0070.04017.38
5.6.180.0130.05017.23
5.6.170.0180.04317.35
5.6.160.0060.02517.46
5.6.150.0080.03616.39
5.6.140.0070.04416.17
5.6.130.0070.04116.21
5.6.120.0060.02317.69
5.6.110.0050.02417.71
5.6.100.0120.03717.60
5.6.90.0050.04717.51
5.6.80.0080.04117.31
5.6.70.0030.00913.96
5.6.60.0090.00614.05
5.6.50.0030.00714.24
5.6.40.0070.00714.04
5.6.30.0000.01014.02
5.6.20.0000.01513.92
5.6.10.0090.00314.42
5.6.00.0030.00714.20
5.5.380.0060.00611.27
5.5.370.0070.00411.27
5.5.360.0060.00611.27
5.5.350.0050.04115.87
5.5.340.0030.02814.70
5.5.330.0050.03015.83
5.5.320.0060.04215.73
5.5.310.0160.03315.81
5.5.300.0120.03714.62
5.5.290.0040.04314.61
5.5.280.0130.03516.07
5.5.270.0080.01816.03
5.5.260.0050.03716.07
5.5.250.0100.03915.94
5.5.240.0130.03315.70
5.5.230.0000.01211.27
5.5.220.0040.00711.27
5.5.210.0060.00311.27
5.5.200.0090.00311.27
5.5.190.0090.00311.27
5.5.180.0030.00811.27
5.5.170.0080.00413.89
5.5.160.0030.00711.27
5.5.150.0060.00611.27
5.5.140.0120.00011.27
5.5.130.0060.00311.27
5.5.120.0000.01111.27
5.5.110.0030.00811.27
5.5.100.0000.00611.27
5.5.90.0000.01211.27
5.5.80.0000.01011.27
5.5.70.0030.00611.27
5.5.60.0000.01111.27
5.5.50.0070.00311.27
5.5.40.0060.00611.27
5.5.30.0070.00411.27
5.5.20.0000.01211.27
5.5.10.0030.00311.27
5.5.00.0000.01111.27
5.4.450.0170.02715.40
5.4.440.0130.02515.33
5.4.430.0130.02715.37
5.4.420.0130.02715.34
5.4.410.0230.02015.22
5.4.400.0120.02015.21
5.4.390.0070.02315.23
5.4.380.0260.03014.94
5.4.370.0240.03215.02
5.4.360.0240.03615.03
5.4.350.0150.03514.89
5.4.340.0140.03014.94
5.4.330.0040.00711.27
5.4.320.0020.02411.88
5.4.310.0090.01911.88
5.4.300.0090.02011.88
5.4.290.0070.02011.88
5.4.280.0070.01911.83
5.4.270.0030.02411.83
5.4.260.0070.02011.83
5.4.250.0030.02011.83
5.4.240.0040.02311.83
5.4.230.0060.01911.83
5.4.220.0020.02311.83
5.4.210.0050.01911.83
5.4.200.0050.02711.83
5.4.190.0050.02011.82
5.4.180.0060.02311.82
5.4.170.0090.01811.83
5.4.160.0060.02011.83
5.4.150.0070.01911.82
5.4.140.0060.01911.67
5.4.130.0060.02011.66
5.4.120.0040.02011.64
5.4.110.0080.02011.64
5.4.100.0050.02411.64
5.4.90.0040.02711.64
5.4.80.0080.02111.64
5.4.70.0050.02011.64
5.4.60.0020.02111.64
5.4.50.0080.01711.64
5.4.40.0070.01811.63
5.4.30.0050.01811.63
5.4.20.0050.02111.63
5.4.10.0040.02111.63
5.4.00.0050.02011.37
5.3.290.0080.02512.04
5.3.280.0060.02511.99
5.3.270.0090.02012.00
5.3.260.0040.02411.99
5.3.250.0060.02212.00
5.3.240.0040.02511.99
5.3.230.0050.02711.99
5.3.220.0050.02411.97
5.3.210.0070.02211.97
5.3.200.0050.02511.97
5.3.190.0070.02211.97
5.3.180.0030.02111.97
5.3.170.0040.02211.97
5.3.160.0040.02111.97
5.3.150.0040.02211.97
5.3.140.0040.02311.97
5.3.130.0050.02211.96
5.3.120.0020.02411.96
5.3.110.0040.02111.96
5.3.100.0040.02211.69
5.3.90.0030.02411.68
5.3.80.0080.02011.68
5.3.70.0050.02111.68
5.3.60.0060.01911.67
5.3.50.0070.01911.64
5.3.40.0080.01811.64
5.3.30.0050.02111.62
5.3.20.0060.02011.52
5.3.10.0040.02111.49
5.3.00.0060.02011.49
5.2.170.0040.01710.24
5.2.160.0080.01310.24
5.2.150.0070.01510.24
5.2.140.0050.01810.24
5.2.130.0020.01710.22
5.2.120.0050.01410.22
5.2.110.0050.01610.22
5.2.100.0060.01810.22
5.2.90.0050.01710.22
5.2.80.0070.01410.22
5.2.70.0030.01910.22
5.2.60.0020.02210.19
5.2.50.0040.01810.18
5.2.40.0030.01910.17
5.2.30.0040.01810.15
5.2.20.0060.01510.15
5.2.10.0030.01810.10
5.2.00.0020.01710.04
5.1.60.0020.0159.68
5.1.50.0050.0149.67
5.1.40.0060.0129.66
5.1.30.0050.0149.84
5.1.20.0040.0169.85
5.1.10.0060.0139.71
5.1.00.0080.0109.71
5.0.50.0030.0128.95
5.0.40.0070.0088.88
5.0.30.0030.0188.79
5.0.20.0060.0098.77
5.0.10.0040.0118.76
5.0.00.0050.0158.76
4.4.90.0040.0098.03
4.4.80.0030.0108.01
4.4.70.0010.0128.01
4.4.60.0030.0118.01
4.4.50.0000.0128.02
4.4.40.0010.0167.99
4.4.30.0040.0088.01
4.4.20.0020.0118.06
4.4.10.0020.0108.06
4.4.00.0040.0128.01
4.3.110.0020.0107.97
4.3.100.0020.0107.97
4.3.90.0030.0087.95
4.3.80.0010.0147.93
4.3.70.0020.0107.95
4.3.60.0030.0087.95
4.3.50.0020.0117.95
4.3.40.0020.0177.90
4.3.30.0020.0107.28
4.3.20.0030.0097.26
4.3.10.0030.0097.25
4.3.00.0020.01013.07

preferences:
42.32 ms | 401 KiB | 5 Q