3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo {} class Bar implements Foo {} var_dump(is_a('Bar', 'Foo'));

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)
8.3.60.0040.01118.43
8.3.50.0070.01117.61
8.3.40.0070.00718.43
8.3.30.0070.00718.54
8.3.20.0050.00318.52
8.3.10.0030.00620.45
8.3.00.0080.00019.13
8.2.180.0120.00316.63
8.2.170.0060.01222.96
8.2.160.0070.00721.07
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0090.00026.16
8.2.120.0040.00420.75
8.2.110.0030.00620.90
8.2.100.0040.00717.59
8.2.90.0030.00619.17
8.2.80.0000.00819.39
8.2.70.0000.00817.38
8.2.60.0090.00017.93
8.2.50.0000.00818.07
8.2.40.0080.00018.16
8.2.30.0030.00818.00
8.2.20.0050.00317.58
8.2.10.0050.00317.49
8.2.00.0000.00817.48
8.1.280.0070.01425.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0000.01022.52
8.1.230.0110.00020.82
8.1.220.0030.00517.74
8.1.210.0060.00318.87
8.1.200.0060.00317.22
8.1.190.0000.00717.53
8.1.180.0050.00318.10
8.1.170.0090.00018.88
8.1.160.0040.00418.72
8.1.150.0000.00718.59
8.1.140.0000.00817.25
8.1.130.0000.00717.66
8.1.120.0000.00917.39
8.1.110.0000.00717.37
8.1.100.0000.00717.46
8.1.90.0020.00517.36
8.1.80.0050.00317.34
8.1.70.0000.00817.41
8.1.60.0030.00617.48
8.1.50.0000.00917.37
8.1.40.0080.00017.34
8.1.30.0070.00017.63
8.1.20.0070.00017.57
8.1.10.0020.00517.35
8.1.00.0040.00417.28
8.0.300.0070.00019.73
8.0.290.0000.00716.63
8.0.280.0030.00318.37
8.0.270.0030.00317.21
8.0.260.0030.00316.68
8.0.250.0100.00016.88
8.0.240.0000.00716.82
8.0.230.0000.00616.90
8.0.220.0030.00316.71
8.0.210.0080.00016.83
8.0.200.0000.00716.87
8.0.190.0040.00416.84
8.0.180.0070.00016.88
8.0.170.0060.00316.74
8.0.160.0030.00316.78
8.0.150.0040.00416.81
8.0.140.0040.00416.77
8.0.130.0000.00613.26
8.0.120.0000.00716.84
8.0.110.0040.00416.69
8.0.100.0000.00816.88
8.0.90.0050.00216.89
8.0.80.0090.00616.78
8.0.70.0030.00516.93
8.0.60.0000.00816.84
8.0.50.0000.00716.67
8.0.30.0130.01016.83
8.0.20.0130.00517.16
8.0.10.0000.00716.88
8.0.00.0110.00716.71
7.4.330.0060.00012.90
7.4.320.0030.00316.57
7.4.300.0040.00416.48
7.4.290.0030.00316.45
7.4.280.0050.00316.52
7.4.270.0030.00316.42
7.4.260.0080.00013.21
7.4.250.0030.00516.50
7.4.240.0030.00416.47
7.4.230.0030.00316.41
7.4.220.0090.00916.48
7.4.210.0080.00716.54
7.4.200.0050.00216.59
7.4.190.0030.00316.33
7.4.160.0080.00816.47
7.4.150.0090.01016.30
7.4.140.0110.00916.51
7.4.130.0090.00916.34
7.4.120.0100.01016.35
7.4.110.0090.00916.34
7.4.100.0170.00716.38
7.4.90.0140.00316.29
7.4.80.0160.00619.39
7.4.70.0120.00916.61
7.4.60.0130.00316.42
7.4.50.0070.00216.35
7.4.40.0070.01016.32
7.4.30.0080.01116.36
7.4.00.0060.01014.86
7.3.330.0030.00313.11
7.3.320.0040.00413.17
7.3.310.0070.00016.19
7.3.300.0070.00016.07
7.3.290.0090.00616.23
7.3.280.0040.01016.14
7.3.270.0140.01016.16
7.3.260.0130.00316.49
7.3.250.0100.00716.17
7.3.240.0120.01216.29
7.3.230.0090.01216.29
7.3.210.0080.01016.34
7.3.200.0080.00816.53
7.3.190.0140.00716.21
7.3.180.0130.00616.34
7.3.170.0120.00516.21
7.3.160.0080.00816.09
7.3.120.0080.00814.70
7.2.330.0060.01816.71
7.2.320.0100.01016.66
7.2.310.0170.00616.41
7.2.300.0070.01016.62
7.2.290.0070.01016.38
7.2.00.0000.01619.29
7.1.70.0000.00717.06
7.1.60.0040.00717.18
7.1.50.0090.00616.50
7.1.00.0100.06022.40
7.0.200.0030.00316.55
7.0.140.0070.06321.95
7.0.120.0030.07722.26
7.0.60.0270.04720.03
7.0.50.0000.08717.86
7.0.40.0070.05320.31
7.0.30.0030.08020.25
7.0.20.0070.06720.23
7.0.10.0070.08020.14
7.0.00.0130.06720.15
5.6.280.0000.07720.93
5.6.210.0030.04020.62
5.6.200.0000.09318.28
5.6.190.0000.07720.52
5.6.180.0030.08720.45
5.6.170.0070.07720.57
5.6.160.0130.07020.50
5.6.150.0030.05720.40
5.6.140.0070.06320.51
5.6.130.0070.07720.48
5.6.120.0030.07720.43
5.6.110.0070.08020.42
5.6.100.0030.08320.36
5.6.90.0030.09020.30
5.6.80.0030.08319.84
5.6.70.0030.04019.91
5.6.60.0070.08019.77
5.6.50.0030.04719.70
5.6.40.0070.07719.75
5.6.30.0000.04319.53
5.6.20.0200.06719.88
5.6.10.0030.06019.84
5.6.00.0000.04319.84
5.5.350.0100.08020.38
5.5.340.0030.07018.03
5.5.330.0030.05320.43
5.5.320.0070.08020.56
5.5.310.0030.07720.30
5.5.300.0070.07020.03
5.5.290.0200.06020.20
5.5.280.0030.06320.32
5.5.270.0070.07020.04
5.5.260.0070.06020.16
5.5.250.0100.07019.92
5.5.240.0030.08019.71
5.5.230.0030.08719.58
5.5.220.0070.07719.58
5.5.210.0030.06019.38
5.5.200.0000.04019.48
5.5.190.0070.04019.61
5.5.180.0070.05319.55
5.5.160.0000.04319.46
5.5.150.0000.08019.36
5.5.140.0100.07719.55
5.5.130.0000.07019.63
5.5.120.0030.08319.49
5.5.110.0070.06019.32
5.5.100.0070.07319.23
5.5.90.0100.07719.47
5.5.80.0030.04019.47
5.5.70.0030.08319.55
5.5.60.0030.05319.40
5.5.50.0070.08019.21
5.5.40.0000.07719.31
5.5.30.0000.07319.42
5.5.20.0000.08019.49
5.5.10.0030.04719.27
5.5.00.0100.07719.49
5.4.450.0070.06719.24
5.4.440.0000.06019.40
5.4.430.0000.07719.16
5.4.420.0030.08019.15
5.4.410.0070.05019.43
5.4.400.0030.06319.24
5.4.390.0030.08019.23
5.4.380.0030.07319.24
5.4.370.0000.05018.86
5.4.360.0030.03718.92
5.4.350.0100.03319.24
5.4.340.0070.04319.23
5.4.320.0100.03319.23
5.4.310.0030.07719.24
5.4.300.0030.06719.23
5.4.290.0030.07319.00
5.4.280.0100.07318.95
5.4.270.0000.08019.24
5.4.260.0070.06019.26
5.4.250.0030.06318.86
5.4.240.0070.05718.86
5.4.230.0070.07019.23
5.4.220.0000.08319.23
5.4.210.0130.05319.06
5.4.200.0000.08318.97
5.4.190.0030.08019.12
5.4.180.0030.06718.85
5.4.170.0070.07719.13
5.4.160.0070.07019.06
5.4.150.0030.07319.11
5.4.140.0030.04716.29
5.4.130.0070.07016.31
5.4.120.0030.07016.48
5.4.110.0030.07316.40
5.4.100.0100.07016.45
5.4.90.0030.06716.43
5.4.80.0030.05316.44
5.4.70.0100.07016.40
5.4.60.0000.07716.27
5.4.50.0070.06716.46
5.4.40.0030.06316.46
5.4.30.0100.06316.35
5.4.20.0070.06016.36
5.4.10.0030.07016.42
5.4.00.0030.06715.79
5.3.290.0100.03314.54
5.3.280.0030.07314.59
5.3.270.0100.05314.58
5.3.260.0030.07714.62
5.3.250.0030.07314.51
5.3.240.0000.08014.74
5.3.230.0030.07014.59
5.3.220.0130.07014.55
5.3.210.0000.07314.59
5.3.200.0000.07714.61
5.3.190.0000.07714.60
5.3.180.0030.06014.54
5.3.170.0000.08014.60
5.3.160.0000.08014.60
5.3.150.0100.06714.55
5.3.140.0070.06714.52
5.3.130.0000.07314.55
5.3.120.0070.07714.68
5.3.110.0070.08314.58
5.3.100.0030.07714.04
5.3.90.0100.07014.19
5.3.80.0000.05714.08
5.3.70.0070.05313.98
5.3.60.0070.07013.91
5.3.50.0070.07013.94
5.3.40.0030.07013.93
5.3.30.0000.07313.93
5.3.20.0000.07713.68
5.3.10.0030.07313.64
5.3.00.0100.06713.63
5.2.170.0000.06011.98
5.2.160.0000.06311.98
5.2.150.0000.06711.98
5.2.140.0030.06011.98
5.2.130.0030.06011.98
5.2.120.0000.06011.98
5.2.110.0030.04711.98
5.2.100.0030.06011.98
5.2.90.0030.06011.98
5.2.80.0030.06311.98
5.2.70.0030.06311.98
5.2.60.0030.05311.98
5.2.50.0000.06311.98
5.2.40.0030.06011.98
5.2.30.0000.05711.98
5.2.20.0000.05011.98
5.2.10.0100.05011.98
5.2.00.0070.05711.98
5.1.60.0030.05011.98
5.1.50.0030.04711.98
5.1.40.0030.04711.98
5.1.30.0030.05711.98
5.1.20.0000.04711.98
5.1.10.0000.04711.98
5.1.00.0000.05011.98
5.0.50.0070.03711.98
5.0.40.0070.04011.98
5.0.30.0000.07011.98
5.0.20.0130.03311.98
5.0.10.0000.04711.98
5.0.00.0000.06311.98
4.4.90.0030.03311.98
4.4.80.0030.02711.98
4.4.70.0030.03311.98
4.4.60.0000.03711.98
4.4.50.0000.03711.98
4.4.40.0000.03711.98
4.4.30.0030.03011.98
4.4.20.0000.03711.98
4.4.10.0030.03711.98
4.4.00.0030.05011.98
4.3.110.0030.03711.98
4.3.100.0030.03311.98
4.3.90.0000.03311.98
4.3.80.0000.05311.98
4.3.70.0000.02711.98
4.3.60.0100.02311.98
4.3.50.0030.03011.98
4.3.40.0000.05011.98
4.3.30.0000.03711.98
4.3.20.0030.03311.98
4.3.10.0030.03311.98
4.3.00.0030.03011.98

preferences:
43.35 ms | 401 KiB | 5 Q