3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface B {} class A implements B {} class C extends A {} $a = new A; $c = new C; var_dump($c instanceof $a); var_dump($a instanceof $b); echo "C:\n"; var_dump($c instanceof C); var_dump($c instanceof A); var_dump($c instanceof B); echo "A:\n"; var_dump($a instanceof C); var_dump($a instanceof A); var_dump($a instanceof B);

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)
8.3.60.0120.00316.63
8.3.50.0100.01022.12
8.3.40.0110.00418.54
8.3.30.0100.00319.04
8.3.20.0070.00020.20
8.3.10.0060.00323.64
8.3.00.0060.00319.38
8.2.180.0090.00618.53
8.2.170.0040.01122.96
8.2.160.0100.00320.57
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0140.00426.16
8.2.120.0040.00422.20
8.2.110.0100.00022.25
8.2.100.0110.00017.84
8.2.90.0040.00419.22
8.2.80.0090.00017.97
8.2.70.0060.00317.50
8.2.60.0030.00617.89
8.2.50.0000.00818.07
8.2.40.0030.00519.82
8.2.30.0040.00417.94
8.2.20.0030.00517.86
8.2.10.0040.00418.02
8.2.00.0030.00617.73
8.1.280.0140.00325.92
8.1.270.0030.00623.95
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0080.00021.08
8.1.230.0040.00819.18
8.1.220.0060.00317.76
8.1.210.0050.00318.77
8.1.200.0000.01017.36
8.1.190.0060.00317.64
8.1.180.0030.00618.10
8.1.170.0070.00318.59
8.1.160.0050.00321.99
8.1.150.0050.00318.71
8.1.140.0060.00317.38
8.1.130.0070.00017.75
8.1.120.0020.00517.37
8.1.110.0040.00417.46
8.1.100.0000.01017.50
8.1.90.0040.00417.39
8.1.80.0000.00717.42
8.1.70.0000.00717.42
8.1.60.0060.00317.63
8.1.50.0000.00817.55
8.1.40.0050.00217.55
8.1.30.0040.00417.61
8.1.20.0040.00417.48
8.1.10.0000.00717.55
8.1.00.0020.00517.56
8.0.300.0000.00918.77
8.0.290.0040.00417.18
8.0.280.0000.00718.45
8.0.270.0030.00317.26
8.0.260.0050.00317.32
8.0.250.0000.00916.99
8.0.240.0030.00617.01
8.0.230.0020.00516.98
8.0.220.0000.00716.95
8.0.210.0040.00416.94
8.0.200.0030.00317.04
8.0.190.0030.00616.98
8.0.180.0030.00516.95
8.0.170.0000.00816.93
8.0.160.0000.00816.98
8.0.150.0070.00016.88
8.0.140.0040.00416.92
8.0.130.0060.00013.40
8.0.120.0000.00916.86
8.0.110.0050.00216.86
8.0.100.0000.00717.00
8.0.90.0000.00717.03
8.0.80.0060.00916.87
8.0.70.0040.00316.91
8.0.60.0040.00416.96
8.0.50.0040.00416.97
8.0.30.0130.00817.20
8.0.20.0080.01017.40
8.0.10.0040.00416.97
8.0.00.0040.01316.88
7.4.330.0060.00015.00
7.4.320.0000.00716.44
7.4.300.0030.00316.42
7.4.290.0000.00816.54
7.4.280.0030.00516.59
7.4.270.0030.00316.53
7.4.260.0030.00316.54
7.4.250.0080.00016.57
7.4.240.0050.00216.59
7.4.230.0070.00016.63
7.4.220.0110.00416.68
7.4.210.0040.01216.63
7.4.200.0030.00516.25
7.4.190.0050.00216.67
7.4.160.0140.01016.53
7.4.150.0050.01417.40
7.4.140.0120.00817.86
7.4.130.0070.01316.50
7.4.120.0060.01216.64
7.4.110.0090.00916.39
7.4.100.0100.01316.44
7.4.90.0120.00416.49
7.4.80.0090.00919.39
7.4.70.0100.00616.43
7.4.60.0120.00416.62
7.4.50.0090.00016.27
7.4.40.0060.00622.77
7.4.30.0080.00816.57
7.4.00.0060.00915.24
7.3.330.0000.00613.32
7.3.320.0060.00013.37
7.3.310.0000.00716.30
7.3.300.0040.00416.34
7.3.290.0100.01016.33
7.3.280.0100.00916.37
7.3.270.0090.00817.40
7.3.260.0090.00916.42
7.3.250.0060.01116.29
7.3.240.0120.00616.32
7.3.230.0100.00616.49
7.3.210.0070.01016.50
7.3.200.0110.01219.39
7.3.190.0090.00916.54
7.3.180.0090.00616.56
7.3.170.0100.00616.58
7.3.160.0100.00716.55
7.3.120.0070.00714.98
7.3.10.0130.00016.58
7.3.00.0110.00816.63
7.2.330.0090.00916.64
7.2.320.0030.01516.56
7.2.310.0140.00716.62
7.2.300.0070.01016.50
7.2.290.0080.00816.69
7.2.130.0200.00816.76
7.2.120.0180.00416.62
7.2.110.0030.01016.65
7.2.100.0060.00316.59
7.2.90.0060.00316.25
7.2.80.0080.00616.71
7.2.70.0060.00616.39
7.2.60.0060.00616.82
7.2.50.0000.01416.50
7.2.40.0030.00616.50
7.2.30.0030.01016.40
7.2.20.0060.00616.66
7.2.10.0070.00416.66
7.2.00.0030.01017.87
7.1.250.0050.01415.80
7.1.200.0000.01615.80
7.1.100.0040.01117.93
7.1.70.0170.00616.96
7.1.60.0100.01319.46
7.1.50.0100.01016.84
7.1.00.0030.07322.54
7.0.200.0300.00014.61
7.0.140.0170.06022.06
7.0.60.0130.07720.04
7.0.50.0130.05017.98
7.0.40.0070.04020.04
7.0.30.0300.04720.09
7.0.20.0270.07720.22
7.0.10.0070.04020.12
7.0.00.0100.08320.23
5.6.280.0030.07321.11
5.6.210.0100.07720.56
5.6.200.0100.08718.29
5.6.190.0070.04020.48
5.6.180.0200.08020.64
5.6.170.0170.04320.51
5.6.160.0000.04320.55
5.6.150.0100.04018.12
5.6.140.0070.04318.18
5.6.130.0030.07018.11
5.6.120.0030.04320.98
5.6.110.0130.08320.99
5.6.100.0170.08020.96
5.6.90.0030.06321.10
5.6.80.0170.07320.38
5.6.70.4100.04020.38
5.5.350.0100.07720.32
5.5.340.0070.06318.09
5.5.330.0070.04320.28
5.5.320.0230.07720.30
5.5.310.0200.08020.30
5.5.300.0070.08018.02
5.5.290.0070.03717.93
5.5.280.0030.04320.95
5.5.270.0030.08020.67
5.5.260.0030.06720.76
5.5.250.0230.06020.66
5.5.240.0200.06020.26
5.4.450.0730.06719.30
5.4.440.0870.06319.44
5.4.430.0930.06019.57
5.4.420.0570.05719.35
5.4.410.1130.07319.34
5.4.400.0470.05318.97
5.4.390.0370.05718.85
5.4.380.0430.04718.60
5.4.370.0400.05018.78
5.4.360.0570.07018.76
5.4.350.0300.08018.84
5.4.340.0300.06018.79
5.4.320.0060.03712.50
5.4.310.0080.04212.49
5.4.300.0090.03912.50
5.4.290.0090.03812.48
5.4.280.0050.03812.38
5.4.270.0060.03912.38
5.4.260.0030.04212.38
5.4.250.0080.05212.38
5.4.240.0100.03712.38
5.4.230.0030.04212.37
5.4.220.0100.05112.37
5.4.210.0100.05612.37
5.4.200.0110.04912.37
5.4.190.0080.05212.36
5.4.180.0100.04912.36
5.4.170.0120.05512.37
5.4.160.0070.04612.37
5.4.150.0100.06012.37
5.4.140.0090.05212.05
5.4.130.0080.04812.04
5.4.120.0050.05312.00
5.4.110.0050.04211.99
5.4.100.0040.05211.99
5.4.90.0050.04212.00
5.4.80.0070.05311.99
5.4.70.0030.04511.98
5.4.60.0070.05111.98
5.4.50.0060.05411.99
5.4.40.0060.04311.98
5.4.30.0040.04511.97
5.4.20.0060.05311.97
5.4.10.0120.04811.97
5.4.00.0050.05511.46
5.3.290.0060.04312.80
5.3.280.0130.05412.71
5.3.270.0070.05712.73
5.3.260.0130.04912.72
5.3.250.0080.05812.72
5.3.240.0110.05412.72
5.3.230.0090.04912.71
5.3.220.0090.05712.68
5.3.210.0060.05612.68
5.3.200.0080.05212.68
5.3.190.0090.03612.68
5.3.180.0090.03512.67
5.3.170.0070.03712.67
5.3.160.0070.03812.67
5.3.150.0090.05112.68
5.3.140.0100.05012.66
5.3.130.0100.05212.65
5.3.120.0060.03912.66
5.3.110.0060.04112.66
5.3.100.0090.03712.13
5.3.90.0030.04112.10
5.3.80.0040.04012.09
5.3.70.0030.04012.09
5.3.60.0050.03812.08
5.3.50.0080.03612.02
5.3.40.0070.03812.02
5.3.30.0080.03611.98
5.3.20.0070.03611.77
5.3.10.0060.03811.73
5.3.00.0040.04011.71
5.2.170.0060.0429.21
5.2.160.0100.0379.21
5.2.150.0090.0399.21
5.2.140.0090.0399.21
5.2.130.0070.0419.17
5.2.120.0060.0429.18
5.2.110.0090.0449.18
5.2.100.0150.0459.18
5.2.90.0120.0519.18
5.2.80.0060.0329.17
5.2.70.0050.0339.18
5.2.60.0080.0379.12
5.2.50.0090.0559.09
5.2.40.0050.0399.07
5.2.30.0100.0379.05
5.2.20.0070.0319.04
5.2.10.0050.0348.94
5.2.00.0040.0408.81
5.1.60.0050.0408.09
5.1.50.0050.0418.08
5.1.40.0070.0398.06
5.1.30.0050.0388.42
5.1.20.0070.0278.43
5.1.10.0060.0308.16
5.1.00.0030.0288.16
5.0.50.0040.0256.65
5.0.40.0030.0206.51
5.0.30.0060.0296.32
5.0.20.0050.0196.29
5.0.10.0030.0216.27
5.0.00.0050.0306.26
4.4.90.0040.0174.78
4.4.80.0040.0164.76
4.4.70.0040.0194.75
4.4.60.0020.0174.75
4.4.50.0030.0204.77
4.4.40.0010.0354.71
4.4.30.0030.0204.75
4.4.20.0000.0194.85
4.4.10.0040.0174.85
4.4.00.0040.0314.76
4.3.110.0030.0164.67
4.3.100.0030.0224.67
4.3.90.0040.0214.63
4.3.80.0070.0314.58
4.3.70.0070.0274.63
4.3.60.0040.0324.63
4.3.50.0040.0164.63
4.3.40.0040.0274.53
4.3.30.0030.0163.28
4.3.20.0050.0163.26
4.3.10.0020.0173.22
4.3.00.0100.01713.47

preferences:
44.15 ms | 401 KiB | 5 Q