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 $c); echo "C:\n"; var_dump($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)
8.3.60.0140.00016.50
8.3.50.0160.00322.05
8.3.40.0170.00318.58
8.3.30.0140.00019.06
8.3.20.0040.00420.16
8.3.10.0080.00023.70
8.3.00.0000.00819.26
8.2.180.0110.00716.63
8.2.170.0140.00422.96
8.2.160.0030.01020.36
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0140.00326.16
8.2.120.0070.00022.25
8.2.110.0060.00320.30
8.2.100.0040.00817.91
8.2.90.0080.00019.34
8.2.80.0040.00417.97
8.2.70.0040.00417.74
8.2.60.0030.00717.93
8.2.50.0030.00618.07
8.2.40.0040.00419.82
8.2.30.0000.00718.05
8.2.20.0040.00417.59
8.2.10.0050.00317.94
8.2.00.0060.00317.59
8.1.280.0140.00725.92
8.1.270.0080.00023.85
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0100.00021.89
8.1.230.0030.00922.63
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0060.00317.53
8.1.180.0040.00418.10
8.1.170.0030.00618.64
8.1.160.0070.00022.05
8.1.150.0020.00518.56
8.1.140.0040.00417.30
8.1.130.0030.00317.93
8.1.120.0040.00417.35
8.1.110.0030.00717.47
8.1.100.0080.00217.36
8.1.90.0040.00417.49
8.1.80.0000.00717.29
8.1.70.0080.00017.38
8.1.60.0040.00417.59
8.1.50.0040.00417.52
8.1.40.0000.00817.43
8.1.30.0050.00317.52
8.1.20.0080.00017.67
8.1.10.0030.00617.54
8.1.00.0040.00417.44
8.0.300.0070.00019.09
8.0.290.0030.00517.05
8.0.280.0000.00718.46
8.0.270.0070.00017.26
8.0.260.0050.00317.19
8.0.250.0100.00016.97
8.0.240.0060.00316.99
8.0.230.0000.00716.93
8.0.220.0040.00416.91
8.0.210.0000.00716.82
8.0.200.0000.00616.82
8.0.190.0030.00516.96
8.0.180.0040.00416.86
8.0.170.0040.00416.93
8.0.160.0000.00716.95
8.0.150.0040.00416.85
8.0.140.0080.00016.83
8.0.130.0060.00013.36
8.0.120.0070.00016.86
8.0.110.0000.00716.90
8.0.100.0050.00216.79
8.0.90.0000.00916.84
8.0.80.0100.00716.95
8.0.70.0000.00716.71
8.0.60.0040.00416.79
8.0.50.0040.00416.85
8.0.30.0090.00917.17
8.0.20.0070.01317.40
8.0.10.0050.00217.12
8.0.00.0080.00916.65
7.4.330.0050.00015.10
7.4.320.0070.00016.55
7.4.300.0000.00716.57
7.4.290.0030.00516.48
7.4.280.0000.00716.64
7.4.270.0070.00016.52
7.4.260.0040.00416.43
7.4.250.0000.00816.57
7.4.240.0030.00416.43
7.4.230.0000.00716.59
7.4.220.0060.01616.53
7.4.210.0080.00616.64
7.4.200.0030.00316.49
7.4.190.0050.00216.47
7.4.160.0040.01116.54
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0090.00916.56
7.4.120.0130.00616.47
7.4.110.0150.00916.63
7.4.100.0100.00716.68
7.4.90.0140.00516.59
7.4.80.0000.01819.39
7.4.70.0120.00316.54
7.4.60.0130.00916.34
7.4.50.0000.00416.57
7.4.40.0030.01122.77
7.4.30.0100.00616.52
7.4.00.0000.01514.77
7.3.330.0030.00313.23
7.3.320.0000.00613.25
7.3.310.0000.00716.40
7.3.300.0070.00016.31
7.3.290.0100.00716.20
7.3.280.0070.00916.32
7.3.270.0120.01517.40
7.3.260.0060.01716.53
7.3.250.0070.00916.32
7.3.240.0100.01016.26
7.3.230.0090.00916.61
7.3.210.0140.00316.37
7.3.200.0030.02019.39
7.3.190.0090.00616.63
7.3.180.0100.00716.30
7.3.170.0090.00916.59
7.3.160.0080.00716.42
7.3.120.0030.01014.54
7.2.330.0090.00916.59
7.2.320.0190.00316.45
7.2.310.0110.01116.70
7.2.300.0000.01616.63
7.2.290.0110.00516.81
7.2.00.0030.00919.55
7.1.100.0040.01117.93
7.1.70.0040.00417.29
7.1.60.0110.01419.46
7.1.50.0100.01316.79
7.1.00.0000.07722.40
7.0.200.0310.00614.73
7.0.140.0000.07322.12
7.0.60.0000.06719.89
7.0.50.0030.04317.89
7.0.40.0030.06020.05
7.0.30.0400.05320.20
7.0.20.0270.05320.16
7.0.10.0230.08320.30
7.0.00.0030.08720.21
5.6.280.0030.07321.08
5.6.210.0030.09020.69
5.6.200.0070.08718.19
5.6.190.0130.07320.47
5.6.180.0300.07720.50
5.6.170.0130.04720.47
5.6.160.0000.07320.50
5.6.150.0070.07718.15
5.6.140.0100.05718.33
5.6.130.0000.07718.14
5.6.120.0200.07320.99
5.6.110.0030.06021.02
5.6.100.0030.09021.01
5.6.90.0030.04020.95
5.6.80.0030.08320.44
5.6.70.0300.07020.43
5.5.350.0070.08720.43
5.5.340.0070.07718.02
5.5.330.0070.04020.21
5.5.320.0270.08020.25
5.5.310.0100.05020.28
5.5.300.0030.07017.97
5.5.290.0100.03317.95
5.5.280.0030.07320.93
5.5.270.0130.07720.79
5.5.260.0100.06320.67
5.5.250.0030.05320.68
5.5.240.0030.06020.12
5.4.450.0730.06319.16
5.4.440.0200.05319.62
5.4.430.0800.05019.48
5.4.420.0730.05019.45
5.4.410.0070.06019.54
5.4.400.0900.05019.16
5.4.390.0930.06719.27
5.4.380.0330.05018.56
5.4.370.0270.05718.77
5.4.360.0400.05018.75
5.4.350.0270.06018.56
5.4.340.0270.05718.49
5.4.320.0070.04612.50
5.4.310.0070.04012.50
5.4.300.0100.04312.50
5.4.290.0080.04512.48
5.4.280.0090.05712.37
5.4.270.0050.05712.37
5.4.260.0080.05812.37
5.4.250.0070.05712.38
5.4.240.0090.05112.38
5.4.230.0050.06012.37
5.4.220.0100.05012.36
5.4.210.0070.05212.36
5.4.200.0090.05212.37
5.4.190.0080.05212.36
5.4.180.0080.05612.37
5.4.170.0030.05412.38
5.4.160.0180.08612.37
5.4.150.0120.06212.37
5.4.140.0100.05112.05
5.4.130.0110.04712.04
5.4.120.0100.05011.99
5.4.110.0090.04811.99
5.4.100.0110.04311.99
5.4.90.0070.05712.00
5.4.80.0050.04312.00
5.4.70.0060.04011.98
5.4.60.0080.03711.99
5.4.50.0090.05011.99
5.4.40.0070.05211.98
5.4.30.0070.05211.97
5.4.20.0060.05411.97
5.4.10.0060.03611.97
5.4.00.0080.03611.46
5.3.290.0060.04012.80
5.3.280.0090.03612.70
5.3.270.0050.04212.72
5.3.260.0100.04312.71
5.3.250.0080.03612.72
5.3.240.0110.03812.72
5.3.230.0070.04912.71
5.3.220.0100.05312.68
5.3.210.0050.05712.68
5.3.200.0070.04212.68
5.3.190.0070.03812.67
5.3.180.0090.03812.68
5.3.170.0070.04112.67
5.3.160.0070.03812.68
5.3.150.0090.03612.67
5.3.140.0070.03712.66
5.3.130.0080.03912.66
5.3.120.0060.04112.66
5.3.110.0030.04312.65
5.3.100.0060.04012.12
5.3.90.0050.04112.10
5.3.80.0120.03412.08
5.3.70.0050.03912.09
5.3.60.0080.03612.07
5.3.50.0090.03712.02
5.3.40.0040.04012.02
5.3.30.0060.03711.98
5.3.20.0070.04211.76
5.3.10.0080.04011.72
5.3.00.0080.04811.71
5.2.170.0060.0439.21
5.2.160.0090.0429.21
5.2.150.0070.0419.21
5.2.140.0100.0409.21
5.2.130.0080.0449.17
5.2.120.0090.0479.17
5.2.110.0120.0359.18
5.2.100.0140.0369.17
5.2.90.0080.0409.17
5.2.80.0060.0319.17
5.2.70.0050.0329.17
5.2.60.0060.0349.11
5.2.50.0040.0369.09
5.2.40.0080.0319.06
5.2.30.0050.0339.04
5.2.20.0110.0349.04
5.2.10.0040.0338.94
5.2.00.0050.0318.80
5.1.60.0080.0388.09
5.1.50.0040.0358.08
5.1.40.0050.0298.06
5.1.30.0130.0368.41
5.1.20.0060.0328.43
5.1.10.0070.0318.16
5.1.00.0070.0308.16
5.0.50.0050.0256.65
5.0.40.0070.0286.50
5.0.30.0050.0446.32
5.0.20.0060.0206.29
5.0.10.0040.0236.27
5.0.00.0070.0396.26
4.4.90.0090.0284.78
4.4.80.0070.0144.76
4.4.70.0030.0174.76
4.4.60.0020.0184.75
4.4.50.0030.0174.77
4.4.40.0030.0274.71
4.4.30.0030.0164.76
4.4.20.0030.0164.85
4.4.10.0040.0154.85
4.4.00.0020.0264.76
4.3.110.0050.0154.67
4.3.100.0040.0154.66
4.3.90.0040.0144.63
4.3.80.0030.0274.59
4.3.70.0040.0174.63
4.3.60.0050.0134.63
4.3.50.0030.0164.63
4.3.40.0020.0274.54
4.3.30.0020.0173.29
4.3.20.0040.0163.26
4.3.10.0010.0183.21
4.3.00.0130.01310.31

preferences:
48.47 ms | 401 KiB | 5 Q