3v4l.org

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

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)
8.3.60.0150.00616.38
8.3.50.0100.00922.04
8.3.40.0110.00418.54
8.3.30.0030.01019.06
8.3.20.0070.00020.27
8.3.10.0000.00723.61
8.3.00.0050.00320.89
8.2.180.0120.00618.00
8.2.170.0070.00722.96
8.2.160.0100.00320.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0120.00622.08
8.2.110.0030.00622.08
8.2.100.0080.00417.82
8.2.90.0040.00417.63
8.2.80.0000.00819.02
8.2.70.0000.00817.91
8.2.60.0040.00417.90
8.2.50.0000.00818.10
8.2.40.0080.00022.33
8.2.30.0000.00818.06
8.2.20.0000.00817.60
8.2.10.0000.00717.86
8.2.00.0080.00417.59
8.1.280.0110.00425.92
8.1.270.0000.00821.82
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0080.00023.92
8.1.230.0090.00319.00
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.22
8.1.190.0050.00317.10
8.1.180.0000.00818.10
8.1.170.0000.00818.64
8.1.160.0000.00722.00
8.1.150.0000.00718.52
8.1.140.0040.00417.43
8.1.130.0030.00317.76
8.1.120.0000.01017.36
8.1.110.0040.00317.36
8.1.100.0000.00717.38
8.1.90.0000.00717.27
8.1.80.0030.00517.27
8.1.70.0030.00617.20
8.1.60.0060.00317.42
8.1.50.0070.00317.39
8.1.40.0070.00317.40
8.1.30.0080.00017.54
8.1.20.0030.00517.47
8.1.10.0000.00717.27
8.1.00.0000.00717.24
8.0.300.0000.00719.65
8.0.290.0060.00316.63
8.0.280.0070.00018.40
8.0.270.0040.00417.18
8.0.260.0060.00017.06
8.0.250.0040.00416.87
8.0.240.0030.00316.85
8.0.230.0030.00316.87
8.0.220.0030.00316.73
8.0.210.0000.00716.75
8.0.200.0000.00716.92
8.0.190.0070.00016.77
8.0.180.0050.00316.77
8.0.170.0000.00816.90
8.0.160.0030.00316.80
8.0.150.0030.00316.75
8.0.140.0000.00916.69
8.0.130.0000.00513.29
8.0.120.0000.00816.82
8.0.110.0040.00416.82
8.0.100.0040.00416.68
8.0.90.0080.00016.82
8.0.80.0130.00316.82
8.0.70.0000.00716.88
8.0.60.0000.00716.89
8.0.50.0000.00716.71
8.0.30.0120.00617.04
8.0.20.0120.00917.40
8.0.10.0040.00417.01
8.0.00.0090.00816.84
7.4.330.0000.00615.00
7.4.320.0070.00016.39
7.4.300.0070.00016.45
7.4.290.0050.00516.42
7.4.280.0030.00316.32
7.4.270.0000.00716.52
7.4.260.0040.00416.41
7.4.250.0030.00316.41
7.4.240.0020.00516.48
7.4.230.0000.00716.48
7.4.220.0090.01616.32
7.4.210.0080.00716.46
7.4.200.0030.00316.61
7.4.190.0000.00816.39
7.4.160.0120.01216.51
7.4.150.0100.01017.40
7.4.140.0160.00217.86
7.4.130.0100.00716.43
7.4.120.0040.01416.49
7.4.110.0130.00716.47
7.4.100.0100.00716.31
7.4.90.0120.00616.48
7.4.80.0100.01019.39
7.4.70.0100.00716.46
7.4.60.0130.01016.34
7.4.50.0080.00016.19
7.4.40.0130.00316.42
7.4.30.0130.00316.29
7.4.00.0110.00314.98
7.3.330.0040.00313.12
7.3.320.0000.00613.24
7.3.310.0030.00316.20
7.3.300.0030.00316.02
7.3.290.0000.01416.18
7.3.280.0090.01016.16
7.3.270.0100.00617.40
7.3.260.0140.00316.20
7.3.250.0160.00216.31
7.3.240.0110.00616.43
7.3.230.0070.01016.39
7.3.210.0030.01416.20
7.3.200.0030.01519.39
7.3.190.0070.01016.41
7.3.180.0090.00616.21
7.3.170.0030.01316.35
7.3.160.0080.00816.37
7.3.120.0040.01114.52
7.2.330.0090.01216.37
7.2.320.0110.00616.56
7.2.310.0130.00416.22
7.2.300.0090.00916.45
7.2.290.0200.00416.36
7.2.00.0070.01119.33
7.1.100.0080.00317.96
7.1.70.0000.00717.06
7.1.60.0070.01819.46
7.1.50.0200.00416.78
7.1.00.0000.08022.43
7.0.200.1040.00714.75
7.0.140.0070.06721.99
7.0.70.0100.04721.82
7.0.60.0030.08021.66
7.0.50.0070.08022.20
7.0.40.0030.07020.05
7.0.30.0070.08320.16
7.0.20.0170.07020.07
7.0.10.0000.08020.14
7.0.00.0000.05020.14
5.6.280.0100.06321.10
5.6.220.0130.07020.61
5.6.210.0030.07720.75
5.6.200.0100.07320.95
5.6.190.0100.06721.10
5.6.180.0030.08021.11
5.6.170.0070.05321.06
5.6.160.0000.05721.17
5.6.150.0030.08321.03
5.6.140.0070.07720.93
5.6.130.0100.07721.11
5.6.120.0070.04721.16
5.6.110.0030.09020.92
5.6.100.0070.08321.01
5.6.90.0070.08021.00
5.6.80.0070.06320.42
5.6.70.0030.04320.45
5.6.60.0030.07320.37
5.6.50.0030.07720.33
5.6.40.0030.06020.31
5.6.30.0070.07320.46
5.6.20.0000.07020.37
5.6.10.0000.05320.43
5.6.00.0000.08720.28
5.5.360.0030.09020.50
5.5.350.0170.07320.39
5.5.340.0170.07720.80
5.5.330.0100.07720.91
5.5.320.0030.08320.75
5.5.310.0130.05720.77
5.5.300.0070.08320.92
5.5.290.0130.07020.83
5.5.280.0070.08320.94
5.5.270.0000.04720.86
5.5.260.0030.07720.81
5.5.250.0030.05720.45
5.5.240.0170.05320.18
5.5.230.0030.04320.27
5.5.220.0070.07720.26
5.5.210.0030.08020.23
5.5.200.0100.07020.27
5.5.190.0100.07320.27
5.5.180.0100.07720.14
5.5.160.0100.07320.23
5.5.150.0130.07020.24
5.5.140.0000.08320.20
5.5.130.0070.08020.27
5.5.120.0100.05720.25
5.5.110.0030.08020.13
5.5.100.0000.08320.09
5.5.90.0070.07020.11
5.5.80.0030.07320.14
5.5.70.0070.07320.00
5.5.60.0070.07720.08
5.5.50.0070.08020.08
5.5.40.0000.07720.14
5.5.30.0030.08320.09
5.5.20.0030.08320.03
5.5.10.0100.07720.07
5.5.00.0000.05020.05
5.4.450.0030.06019.37
5.4.440.0070.08019.37
5.4.430.0070.07019.35
5.4.420.0030.07719.27
5.4.410.0070.08019.10
5.4.400.0070.04019.09
5.4.390.0070.05319.21
5.4.380.0100.07718.95
5.4.370.0000.08019.05
5.4.360.0070.05718.94
5.4.350.0100.04019.05
5.4.340.0030.06719.18
5.4.320.0030.07719.14
5.4.310.0100.05719.05
5.4.300.0100.07019.18
5.4.290.0000.08019.20
5.4.280.0070.06319.04
5.4.270.0030.07319.09
5.4.260.0070.07319.23
5.4.250.0030.05719.08
5.4.240.0030.06319.13
5.4.230.0030.06719.20
5.4.220.0030.07719.02
5.4.210.0030.06319.13
5.4.200.0030.08018.94
5.4.190.0030.08019.14
5.4.180.0100.05719.08
5.4.170.0030.07719.04
5.4.160.0030.05719.13
5.4.150.0100.07318.85
5.4.140.0000.07316.50
5.4.130.0030.07316.42
5.4.120.0100.05316.33
5.4.110.0100.06716.26
5.4.100.0000.06316.47
5.4.90.0070.06716.27
5.4.80.0030.07016.45
5.4.70.0070.07016.34
5.4.60.0000.07716.34
5.4.50.0070.07016.34
5.4.40.0030.06316.51
5.4.30.0070.05016.39
5.4.20.0000.05016.41
5.4.10.0030.04016.48
5.4.00.0000.07015.87
5.3.290.0030.06014.71
5.3.280.0030.05014.60
5.3.270.0030.06014.59
5.3.260.0030.08014.75
5.3.250.0000.04714.66
5.3.240.0030.06014.73
5.3.230.0030.08014.70
5.3.220.0100.06714.61
5.3.210.0000.06714.55
5.3.200.0030.07714.62
5.3.190.0070.06714.59
5.3.180.0000.07714.66
5.3.170.0000.08014.56
5.3.160.0000.07714.57
5.3.150.0070.06714.50
5.3.140.0030.07714.61
5.3.130.0030.06714.57
5.3.120.0070.09014.64
5.3.110.0000.04014.47
5.3.100.0030.07314.13
5.3.90.0070.07313.98
5.3.80.0100.06314.07
5.3.70.0030.07714.04
5.3.60.0030.07014.10
5.3.50.0030.07013.97
5.3.40.0030.07714.00
5.3.30.0030.07013.99
5.3.20.0000.07313.58
5.3.10.0030.07313.65
5.3.00.0030.07313.72
5.2.170.0070.05312.20
5.2.160.0070.05712.20
5.2.150.0000.05312.20
5.2.140.0070.06012.20
5.2.130.0070.05712.20
5.2.120.0030.06312.20
5.2.110.0000.05012.20
5.2.100.0100.05712.20
5.2.90.0000.06312.20
5.2.80.0000.06312.20
5.2.70.0000.06712.20
5.2.60.0000.06312.20
5.2.50.0030.05712.20
5.2.40.0030.06312.20
5.2.30.0000.06012.20
5.2.20.0030.06012.20
5.2.10.0030.04012.20
5.2.00.0070.03312.20
5.1.60.0030.02312.20
5.1.50.0070.04712.20
5.1.40.0000.03312.20
5.1.30.0000.03312.20
5.1.20.0000.02712.20
5.1.10.0000.02712.20
5.1.00.0030.02312.20
5.0.50.0000.02312.20
5.0.40.0000.03312.20
5.0.30.0000.04012.20
5.0.20.0000.02012.20
5.0.10.0000.02012.20
5.0.00.0000.03012.20
4.4.90.0000.02712.20
4.4.80.0030.03012.20
4.4.70.0070.02712.20
4.4.60.0000.02712.20
4.4.50.0000.03312.20
4.4.40.0030.02312.20
4.4.30.0030.02712.20
4.4.20.0000.01712.20
4.4.10.0000.01312.20
4.4.00.0030.03712.20
4.3.110.0030.01312.20
4.3.100.0000.01712.20
4.3.90.0000.01312.20
4.3.80.0030.02012.20
4.3.70.0000.01312.20
4.3.60.0000.01312.20
4.3.50.0030.01312.20
4.3.40.0000.02312.20
4.3.30.0000.02012.20
4.3.20.0000.01712.20
4.3.10.0000.01712.20
4.3.00.0000.01712.20

preferences:
68.49 ms | 401 KiB | 5 Q