3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo {} class Bar implements Foo {} $bar = new Bar(); var_dump(is_a($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)
8.3.60.0150.00016.63
8.3.50.0090.01121.88
8.3.40.0070.01418.72
8.3.30.0100.01019.01
8.3.20.0050.00220.34
8.3.10.0040.00423.65
8.3.00.0000.00818.86
8.2.180.0120.00316.75
8.2.170.0100.01022.96
8.2.160.0030.01320.35
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.08
8.2.110.0090.00022.26
8.2.100.0070.00317.72
8.2.90.0000.00719.22
8.2.80.0030.00617.97
8.2.70.0000.00817.50
8.2.60.0000.00817.91
8.2.50.0030.00518.07
8.2.40.0000.00819.88
8.2.30.0000.00818.30
8.2.20.0040.00417.63
8.2.10.0000.00817.93
8.2.00.0060.00317.72
8.1.280.0140.00725.92
8.1.270.0030.00622.11
8.1.260.0120.00326.35
8.1.250.0000.01428.09
8.1.240.0060.00323.92
8.1.230.0070.00419.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0060.00318.59
8.1.160.0050.00221.95
8.1.150.0020.00518.70
8.1.140.0070.00017.36
8.1.130.0070.00017.76
8.1.120.0040.00417.42
8.1.110.0040.00417.54
8.1.100.0040.00417.36
8.1.90.0070.00017.47
8.1.80.0000.00717.34
8.1.70.0080.00017.43
8.1.60.0030.00517.54
8.1.50.0050.00317.38
8.1.40.0080.00317.50
8.1.30.0030.00517.58
8.1.20.0070.00017.47
8.1.10.0040.00417.42
8.1.00.0000.00817.49
8.0.300.0000.00718.77
8.0.290.0000.00717.16
8.0.280.0050.00218.29
8.0.270.0000.00717.17
8.0.260.0060.00017.21
8.0.250.0000.00716.87
8.0.240.0050.00316.93
8.0.230.0030.00316.94
8.0.220.0030.00316.80
8.0.210.0000.00716.89
8.0.200.0060.00016.93
8.0.190.0000.00816.85
8.0.180.0040.00416.82
8.0.170.0000.00716.87
8.0.160.0070.00016.92
8.0.150.0040.00416.89
8.0.140.0000.00916.82
8.0.130.0030.00313.34
8.0.120.0080.00016.78
8.0.110.0040.00416.72
8.0.100.0060.00316.70
8.0.90.0040.00416.84
8.0.80.0080.00816.86
8.0.70.0030.00616.75
8.0.60.0050.00216.95
8.0.50.0070.00016.71
8.0.30.0070.01216.95
8.0.20.0090.01117.40
8.0.10.0040.00416.87
8.0.00.0100.00716.60
7.4.330.0000.00615.00
7.4.320.0070.00016.57
7.4.300.0070.00016.41
7.4.290.0070.00316.41
7.4.280.0000.00616.55
7.4.270.0030.00316.64
7.4.260.0030.00316.41
7.4.250.0040.00416.54
7.4.240.0030.00316.53
7.4.230.0030.00316.63
7.4.220.0090.00916.63
7.4.210.0090.00816.53
7.4.200.0040.00416.50
7.4.190.0070.00016.73
7.4.160.0130.00916.36
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0080.00816.46
7.4.120.0100.00716.48
7.4.110.0060.01016.46
7.4.100.0120.00616.39
7.4.90.0100.00616.42
7.4.80.0030.01419.39
7.4.70.0130.00316.50
7.4.60.0060.01216.20
7.4.50.0030.00516.34
7.4.40.0090.00616.40
7.4.30.0090.00616.39
7.4.00.0090.00415.16
7.3.330.0000.00513.16
7.3.320.0030.00313.17
7.3.310.0040.00416.06
7.3.300.0030.00316.04
7.3.290.0120.00816.18
7.3.280.0120.00816.16
7.3.270.0110.00617.40
7.3.260.0100.01016.57
7.3.250.0070.01016.40
7.3.240.0120.00616.12
7.3.230.0140.00316.39
7.3.210.0080.00816.31
7.3.200.0110.00719.39
7.3.190.0060.01016.11
7.3.180.0000.01516.21
7.3.170.0110.00416.27
7.3.160.0080.00716.45
7.3.120.0000.01614.62
7.3.10.0060.00616.37
7.3.00.0040.01116.25
7.2.330.0140.00716.37
7.2.320.0060.01016.41
7.2.310.0070.01016.41
7.2.300.0040.01416.55
7.2.290.0130.01016.58
7.2.130.0030.01016.45
7.2.120.0030.00816.54
7.2.110.0030.01016.59
7.2.100.0070.00316.95
7.2.90.0060.01216.63
7.2.80.0060.00317.02
7.2.70.0040.00416.47
7.2.60.0090.00616.54
7.2.50.0110.00316.82
7.2.40.0100.00316.77
7.2.30.0090.00016.81
7.2.20.0030.01016.69
7.2.10.0080.00816.89
7.2.00.0090.00417.98
7.1.250.0030.00715.36
7.1.240.0030.00915.64
7.1.230.0000.00915.62
7.1.220.0040.00415.41
7.1.210.0040.00415.42
7.1.200.0080.00515.49
7.1.190.0130.00015.32
7.1.180.0070.00415.45
7.1.170.0030.01015.77
7.1.160.0090.00315.46
7.1.150.0170.00715.64
7.1.140.0080.00315.75
7.1.130.0130.00715.47
7.1.120.0040.00415.34
7.1.110.0080.00415.60
7.1.100.0040.00716.91
7.1.90.0030.00715.56
7.1.80.0060.00315.60
7.1.70.0030.01016.34
7.1.60.0060.00816.33
7.1.50.0090.00716.11
7.1.40.0120.00416.08
7.1.30.0030.01215.96
7.1.20.0040.00916.07
7.1.10.0040.00716.09
7.1.00.0040.00516.31
7.0.330.0040.00815.15
7.0.320.0080.00415.02
7.0.310.0000.01215.45
7.0.300.0040.00415.13
7.0.290.0110.00015.25
7.0.280.0130.00615.16
7.0.270.0140.00015.09
7.0.260.0170.00314.95
7.0.250.0060.00914.99
7.0.240.0140.00315.15
7.0.230.0080.00815.20
7.0.220.0030.00515.27
7.0.210.0090.00315.14
7.0.200.0020.01216.03
7.0.190.0070.00315.93
7.0.180.0090.00415.70
7.0.170.0060.00515.84
7.0.160.0040.01215.54
7.0.150.0060.00715.78
7.0.140.0080.00815.58
7.0.130.0060.00715.70
7.0.120.0050.00715.94
7.0.110.0100.00515.77
7.0.100.0220.00715.77
7.0.90.0140.00715.79
7.0.80.0140.00815.81
7.0.70.0090.00915.79
7.0.60.0040.00815.75
7.0.50.0060.00615.85
7.0.40.0080.00514.19
7.0.30.0090.00714.28
7.0.20.0020.01114.21
7.0.10.0080.00414.20
7.0.00.0000.01014.28
5.6.380.0090.00614.22
5.6.370.0000.01414.43
5.6.360.0110.00614.15
5.6.350.0090.00614.47
5.6.340.0170.00314.07
5.6.330.0000.01314.35
5.6.320.0030.00914.31
5.6.310.0000.01514.20
5.6.300.0070.02417.47
5.6.290.0100.04217.62
5.6.280.0050.03717.46
5.6.270.0050.02717.53
5.6.260.0100.02517.45
5.6.250.0090.02517.65
5.6.240.0090.03017.55
5.6.230.0080.02517.51
5.6.220.0090.02217.48
5.6.210.0080.02417.48
5.6.200.0060.02617.32
5.6.190.0150.02617.57
5.6.180.0080.02517.41
5.6.170.0070.02917.48
5.6.160.0060.02517.43
5.6.150.0060.02817.54
5.6.140.0080.02317.61
5.6.130.0030.02717.63
5.6.120.0090.02417.49
5.6.110.0070.02917.46
5.6.100.0050.03017.61
5.6.90.0060.02617.68
5.6.80.0080.02317.24
5.6.70.0150.02517.06
5.6.60.0080.02617.06
5.6.50.0110.02017.01
5.6.40.0080.03217.12
5.6.30.0140.02417.19
5.6.20.0130.02617.11
5.6.10.0100.02817.24
5.6.00.0090.02517.31
5.5.380.0070.02414.42
5.5.370.0060.02314.31
5.5.360.0090.01914.20
5.5.350.0130.01514.30
5.5.340.0070.03714.29
5.5.330.0040.02314.29
5.5.320.0060.02514.29
5.5.310.0020.02614.34
5.5.300.0020.02914.56
5.5.290.0060.02414.52
5.5.280.0220.01914.54
5.5.270.0030.02614.68
5.5.260.0070.02014.55
5.5.250.0030.02614.30
5.5.240.0120.03114.27
5.5.230.0110.02314.13
5.5.220.0040.03014.27
5.5.210.0030.02314.35
5.5.200.0030.02614.07
5.5.190.0090.02514.27
5.5.180.0080.02414.16
5.5.170.0040.00410.75
5.5.160.0010.02614.25
5.5.150.0030.02514.10
5.5.140.0030.02213.89
5.5.130.0020.02514.09
5.5.120.0030.02414.25
5.5.110.0080.02714.16
5.5.100.0080.01913.81
5.5.90.0070.02214.07
5.5.80.0070.02314.10
5.5.70.0030.02414.08
5.5.60.0090.02414.00
5.5.50.0050.02113.97
5.5.40.0130.02714.23
5.5.30.0040.02514.11
5.5.20.0050.02214.13
5.5.10.0040.02414.18
5.5.00.0020.02713.93
5.4.450.0020.02615.23
5.4.440.0050.03115.10
5.4.430.0070.02115.11
5.4.420.0040.02415.09
5.4.410.0080.02014.89
5.4.400.0030.02614.62
5.4.390.0070.02314.87
5.4.380.0030.02614.77
5.4.370.0030.02414.92
5.4.360.0050.02314.71
5.4.350.0060.02214.73
5.4.340.0070.02314.87
5.4.330.0000.00510.18
5.4.320.0060.02014.90
5.4.310.0060.02214.89
5.4.300.0020.02414.74
5.4.290.0030.02714.79
5.4.280.0050.02514.88
5.4.270.0030.02614.86
5.4.260.0070.02514.83
5.4.250.0050.02314.93
5.4.240.0080.02314.74
5.4.230.0060.02414.67
5.4.220.0110.02014.72
5.4.210.0050.02314.94
5.4.200.0020.02614.69
5.4.190.0050.02214.92
5.4.180.0050.02614.85
5.4.170.0020.02414.96
5.4.160.0030.02314.82
5.4.150.0220.01714.83
5.4.140.0040.02213.55
5.4.130.0080.01813.61
5.4.120.0130.02013.66
5.4.110.0070.02213.71
5.4.100.0080.01813.63
5.4.90.0050.02413.73
5.4.80.0050.02513.77
5.4.70.0030.02213.71
5.4.60.0070.02613.87
5.4.50.0050.02013.84
5.4.40.0030.02713.56
5.4.30.0030.02313.55
5.4.20.0040.02413.44
5.4.10.0030.02613.77
5.4.00.0000.02513.45
5.3.290.0020.02512.93
5.3.280.0060.02112.77
5.3.270.0030.02312.78
5.3.260.0010.02312.80
5.3.250.0050.02012.88
5.3.240.0070.02012.84
5.3.230.0070.01712.78
5.3.220.0050.02012.86
5.3.210.0050.02212.82
5.3.200.0020.02312.74
5.3.190.0050.02012.80
5.3.180.0050.01912.88
5.3.170.0060.02512.89
5.3.160.0020.02412.75
5.3.150.0050.02212.85
5.3.140.0050.02312.71
5.3.130.0060.01812.83
5.3.120.0060.02112.85
5.3.110.0100.02012.83
5.3.100.0020.02512.86
5.3.90.0070.02012.85
5.3.80.0030.02212.65
5.3.70.0030.02512.83
5.3.60.0030.02212.84
5.3.50.0000.03012.85
5.3.40.0030.02412.74
5.3.30.0030.02612.82
5.3.20.0040.02212.81
5.3.10.0040.02112.70
5.3.00.0030.02212.69
5.2.170.0050.01612.54
5.2.160.0020.01712.54
5.2.150.0060.01512.54
5.2.140.0050.01712.54
5.2.130.0050.01512.54
5.2.120.0110.01512.54
5.2.110.0030.01612.54
5.2.100.0050.01912.54
5.2.90.0030.01812.54
5.2.80.0060.01412.54
5.2.70.0020.02312.54
5.2.60.0030.01612.54
5.2.50.0050.01612.54
5.2.40.0000.01812.54
5.2.30.0020.02612.54
5.2.20.0060.01512.54
5.2.10.0080.01212.54
5.2.00.0050.01712.54
5.1.60.0000.01712.54
5.1.50.0060.01212.54
5.1.40.0050.01412.54
5.1.30.0080.01412.54
5.1.20.0140.01312.54
5.1.10.0060.01112.54
5.1.00.0040.01412.54
5.0.50.0020.01912.54
5.0.40.0020.01112.54
5.0.30.0000.02012.54
5.0.20.0020.01112.54
5.0.10.0020.01312.54
5.0.00.0040.01812.54
4.4.90.0050.00812.54
4.4.80.0040.00812.54
4.4.70.0030.00812.54
4.4.60.0050.00812.54
4.4.50.0030.00812.54
4.4.40.0070.01212.54
4.4.30.0030.00812.54
4.4.20.0050.01012.54
4.4.10.0020.01112.54
4.4.00.0030.01312.54
4.3.110.0020.00912.54
4.3.100.0030.00812.54
4.3.90.0030.00912.54
4.3.80.0040.01312.54
4.3.70.0040.00612.54
4.3.60.0030.00812.54
4.3.50.0060.00812.54
4.3.40.0000.01412.54
4.3.30.0000.01012.54
4.3.20.0030.01012.54
4.3.10.0020.01112.54
4.3.00.0000.01212.54

preferences:
43.04 ms | 401 KiB | 5 Q