3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface a { } class b { } $b = new b; var_dump(is_subclass_of($b, 'a'));

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)
8.3.60.0070.01116.25
8.3.50.0100.00316.27
8.3.40.0030.01018.54
8.3.30.0070.00718.56
8.3.20.0000.00720.34
8.3.10.0060.00321.65
8.3.00.0040.00417.25
8.2.180.0080.00816.63
8.2.170.0110.00422.96
8.2.160.0030.01020.34
8.2.150.0070.00024.18
8.2.140.0030.00624.66
8.2.130.0000.00821.11
8.2.120.0000.00826.35
8.2.110.0100.00720.91
8.2.100.0100.00017.76
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0080.00017.80
8.2.50.0000.00818.10
8.2.40.0060.00320.61
8.2.30.0040.00420.97
8.2.20.0040.00418.09
8.2.10.0070.00017.98
8.2.00.0000.00717.91
8.1.280.0070.01425.92
8.1.270.0000.00722.20
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00321.05
8.1.230.0030.00719.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0040.00418.93
8.1.160.0000.00819.01
8.1.150.0000.00720.71
8.1.140.0060.00319.51
8.1.130.0000.00718.87
8.1.120.0030.00317.45
8.1.110.0070.00017.41
8.1.100.0070.00017.38
8.1.90.0000.00717.46
8.1.80.0030.00517.39
8.1.70.0030.00617.42
8.1.60.0000.00717.50
8.1.50.0040.00417.30
8.1.40.0040.00417.34
8.1.30.0050.00217.55
8.1.20.0030.00717.57
8.1.10.0070.00017.52
8.1.00.0000.00717.42
8.0.300.0040.00420.13
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0040.00417.17
8.0.260.0040.00416.75
8.0.250.0040.00416.84
8.0.240.0000.00716.77
8.0.230.0040.00416.79
8.0.220.0080.00016.73
8.0.210.0000.00716.71
8.0.200.0060.00016.89
8.0.190.0040.00416.87
8.0.180.0000.00816.78
8.0.170.0030.00516.73
8.0.160.0040.00416.84
8.0.150.0070.00016.79
8.0.140.0000.00816.80
8.0.130.0000.00513.25
8.0.120.0000.00716.82
8.0.110.0000.00816.82
8.0.100.0000.00716.86
8.0.90.0040.00416.68
8.0.80.0090.00616.79
8.0.70.0000.00716.63
8.0.60.0070.00016.60
8.0.50.0070.00016.71
8.0.30.0110.00817.01
8.0.20.0100.00917.40
8.0.10.0000.00716.74
8.0.00.0070.01716.56
7.4.330.0060.00015.55
7.4.320.0030.00316.44
7.4.300.0030.00316.38
7.4.290.0000.00716.46
7.4.280.0080.00016.57
7.4.270.0030.00516.47
7.4.260.0000.00716.55
7.4.250.0040.00516.41
7.4.240.0040.00416.29
7.4.230.0050.00216.32
7.4.220.0100.01016.38
7.4.210.0070.00716.46
7.4.200.0070.00016.53
7.4.160.0080.00916.30
7.4.150.0080.00817.40
7.4.140.0090.00917.86
7.4.130.0090.00916.38
7.4.120.0120.00816.47
7.4.110.0040.01116.45
7.4.100.0150.00716.43
7.4.90.0060.01216.44
7.4.80.0080.00919.39
7.4.70.0030.01316.63
7.4.60.0090.00616.52
7.4.50.0110.00716.26
7.4.40.0080.00816.29
7.4.30.0100.01316.38
7.4.00.0060.01014.88
7.3.330.0050.00013.15
7.3.320.0050.00013.15
7.3.310.0040.00416.04
7.3.300.0040.00316.17
7.3.290.0080.00816.15
7.3.280.0100.00716.16
7.3.270.0040.01217.40
7.3.260.0120.00716.22
7.3.250.0130.00716.32
7.3.240.0070.01316.27
7.3.230.0080.00916.22
7.3.210.0110.00716.09
7.3.200.0090.00916.22
7.3.190.0030.01516.18
7.3.180.0060.00916.54
7.3.170.0070.01016.14
7.3.160.0150.00616.44
7.3.120.0040.01514.36
7.3.110.0110.00714.73
7.3.100.0100.01014.64
7.3.90.0030.01314.90
7.3.80.0030.01014.82
7.3.70.0060.00914.64
7.3.60.0030.01014.65
7.3.50.0040.01214.41
7.3.40.0070.00714.58
7.3.30.0000.01014.52
7.3.20.0030.01316.32
7.3.10.0020.01316.48
7.3.00.0060.00516.61
7.2.330.0100.00716.48
7.2.320.0110.00916.38
7.2.310.0090.00916.65
7.2.300.0060.01916.30
7.2.290.0150.00916.34
7.2.250.0030.01714.82
7.2.240.0030.01514.82
7.2.230.0060.00914.59
7.2.220.0060.00615.08
7.2.210.0120.00314.71
7.2.200.0040.01114.76
7.2.190.0090.00615.04
7.2.180.0040.01115.00
7.2.170.0090.00614.88
7.2.160.0030.01414.60
7.2.150.0030.00716.56
7.2.140.0030.01017.00
7.2.130.0100.00616.75
7.2.120.0040.01116.54
7.2.110.0030.01116.81
7.2.100.0090.00516.63
7.2.90.0050.00916.83
7.2.80.0020.01116.82
7.2.70.0010.01516.78
7.2.60.0050.00816.80
7.2.50.0080.00516.89
7.2.40.0100.00516.57
7.2.30.0040.00916.79
7.2.20.0080.00616.85
7.2.10.0050.00816.79
7.2.00.0090.00617.58
7.1.330.0070.01015.79
7.1.320.0000.01615.89
7.1.310.0060.00915.55
7.1.300.0030.01015.64
7.1.290.0040.00415.73
7.1.280.0060.01015.65
7.1.270.0100.00715.86
7.1.260.0030.01015.78
7.1.250.0060.01015.74
7.1.240.0030.00615.89
7.1.230.0090.00315.81
7.1.220.0100.00615.79
7.1.210.0080.00815.71
7.1.200.0050.00715.84
7.1.190.0080.00515.64
7.1.180.0080.00415.66
7.1.170.0070.00415.73
7.1.160.0030.01015.88
7.1.150.0030.00615.86
7.1.140.0060.00615.85
7.1.130.0090.00315.59
7.1.120.0060.00615.43
7.1.110.0030.01315.74
7.1.100.0050.00716.88
7.1.90.0100.00315.54
7.1.80.0120.00315.80
7.1.70.0010.01216.47
7.1.60.0150.01025.29
7.1.50.0100.01125.06
7.1.40.0090.01125.04
7.1.30.0170.00625.13
7.1.20.0100.00925.01
7.1.10.0050.01216.06
7.1.00.0030.01216.04
7.0.330.0090.00615.51
7.0.320.0080.00615.30
7.0.310.0090.00615.28
7.0.300.0030.01315.34
7.0.290.0040.01215.30
7.0.280.0060.00615.51
7.0.270.0070.00315.10
7.0.260.0030.01415.08
7.0.250.0070.00815.39
7.0.240.0060.00615.43
7.0.230.0090.00615.17
7.0.220.0060.00915.33
7.0.210.0040.01115.12
7.0.200.0060.00716.01
7.0.190.0040.00915.89
7.0.180.0050.00715.74
7.0.170.0100.00615.77
7.0.160.0030.00815.76
7.0.150.0040.01115.70
7.0.140.0060.01215.75
7.0.130.0030.01315.97
7.0.120.0030.01216.04
7.0.110.0050.00815.96
7.0.100.0050.01115.67
7.0.90.0030.01115.76
7.0.80.0020.01315.81
7.0.70.0050.00815.88
7.0.60.0060.00615.75
7.0.50.0040.01215.78
7.0.40.0070.00814.95
7.0.30.0080.00614.93
7.0.20.0090.00414.90
7.0.10.0070.00514.77
7.0.00.0040.00714.95
5.6.400.0040.01114.37
5.6.390.0120.00614.53
5.6.380.0080.00414.25
5.6.370.0060.00914.20
5.6.360.0080.00814.36
5.6.350.0070.01114.31
5.6.340.0110.00414.43
5.6.330.0130.00313.99
5.6.320.0060.00614.32
5.6.310.0110.00014.21
5.6.300.0060.00314.11
5.6.290.0110.00814.06
5.6.280.0140.00414.33
5.6.270.0070.00714.23
5.6.260.0080.00314.05
5.6.250.0000.01214.66
5.6.240.0000.01314.28
5.6.230.0070.00714.37
5.6.220.0070.01014.19
5.6.210.0060.00314.00
5.6.200.0070.00714.66
5.6.190.0070.00714.27
5.6.180.0040.01114.41
5.6.170.0070.00314.10
5.6.160.0030.00914.50
5.6.150.0000.01614.34
5.6.140.0000.01514.56
5.6.130.0060.00314.46
5.6.120.0060.00614.31
5.6.110.0060.00314.25
5.6.100.0040.01114.14
5.6.90.0130.00313.95
5.6.80.0150.00013.98
5.6.70.0030.01414.11
5.6.60.0030.00714.10
5.6.50.0040.00414.24
5.6.40.0030.00914.29
5.6.30.0060.00613.93
5.6.20.0030.00714.30
5.6.10.0080.00014.33
5.6.00.0000.01314.37

preferences:
60.55 ms | 401 KiB | 5 Q