3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } class B extends A{ } $r = new ReflectionClass('B'); var_dump($r->isSubclassOf('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)
8.3.40.0110.00418.46
8.3.30.0110.00419.00
8.3.20.0030.00520.39
8.3.10.0000.00823.56
8.3.00.0040.00418.89
8.2.170.0000.01422.96
8.2.160.0140.00720.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0030.00520.82
8.2.110.0000.00822.31
8.2.100.0050.00517.72
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0060.00617.91
8.2.50.0040.00418.07
8.2.40.0060.00321.19
8.2.30.0000.00818.05
8.2.20.0050.00317.55
8.2.10.0040.00418.04
8.2.00.0000.00917.67
8.1.270.0030.00623.96
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00723.98
8.1.230.0060.00619.09
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0080.00017.23
8.1.180.0070.00318.10
8.1.170.0040.00418.54
8.1.160.0040.00421.95
8.1.150.0000.00818.58
8.1.140.0000.00817.38
8.1.130.0070.00017.72
8.1.120.0080.00017.38
8.1.110.0070.00017.24
8.1.100.0050.00217.39
8.1.90.0000.00717.37
8.1.80.0040.00417.40
8.1.70.0030.00617.35
8.1.60.0040.00517.40
8.1.50.0030.00617.35
8.1.40.0040.00417.44
8.1.30.0030.00517.59
8.1.20.0040.00417.49
8.1.10.0060.00317.55
8.1.00.0040.00417.41
8.0.300.0000.00718.77
8.0.290.0040.00417.03
8.0.280.0040.00418.42
8.0.270.0000.00717.11
8.0.260.0000.00617.17
8.0.250.0070.00016.85
8.0.240.0070.00016.93
8.0.230.0070.00016.82
8.0.220.0030.00316.86
8.0.210.0070.00016.84
8.0.200.0030.00316.82
8.0.190.0100.00016.85
8.0.180.0000.00816.87
8.0.170.0000.00816.85
8.0.160.0070.00016.86
8.0.150.0000.00716.71
8.0.140.0070.00016.73
8.0.130.0000.00613.23
8.0.120.0040.00416.83
8.0.110.0040.00416.78
8.0.100.0040.00416.78
8.0.90.0040.00416.72
8.0.80.0060.00916.81
8.0.70.0000.00816.73
8.0.60.0030.00416.74
8.0.50.0070.00016.86
8.0.30.0110.01116.98
8.0.20.0130.00917.40
8.0.10.0040.00416.91
8.0.00.0110.01016.63
7.4.330.0070.00015.08
7.4.320.0050.00316.56
7.4.300.0040.00416.45
7.4.290.0030.00316.44
7.4.280.0000.00716.45
7.4.270.0070.00016.46
7.4.260.0080.00316.49
7.4.250.0030.00316.32
7.4.240.0030.00316.44
7.4.230.0030.00316.47
7.4.220.0130.01316.54
7.4.210.0050.01116.53
7.4.200.0000.00716.27
7.4.190.0000.00716.48
7.4.160.0080.00816.38
7.4.150.0100.01017.40
7.4.140.0150.00317.86
7.4.130.0070.01116.47
7.4.120.0130.00816.50
7.4.110.0100.00716.35
7.4.100.0070.01016.21
7.4.90.0070.01016.43
7.4.80.0120.00619.39
7.4.70.0100.00616.36
7.4.60.0040.01416.43
7.4.50.0000.00416.27
7.4.40.0080.00816.13
7.4.30.0090.00616.45
7.4.00.0060.01014.86
7.3.330.0070.00013.04
7.3.320.0000.00512.96
7.3.310.0070.00016.02
7.3.300.0040.00416.00
7.3.290.0070.00716.18
7.3.280.0120.00816.15
7.3.270.0130.00317.40
7.3.260.0140.00316.33
7.3.250.0090.01416.47
7.3.240.0030.01516.43
7.3.230.0070.01016.39
7.3.210.0070.01116.43
7.3.200.0090.00819.39
7.3.190.0120.00616.35
7.3.180.0110.00616.32
7.3.170.0160.00616.35
7.3.160.0120.00916.09
7.3.120.0060.01014.55
7.3.110.0080.00614.78
7.3.100.0050.00814.73
7.3.90.0070.00714.50
7.3.80.0090.00514.49
7.3.70.0090.00514.50
7.3.60.0050.00514.49
7.3.50.0060.00514.63
7.3.40.0110.00614.71
7.3.30.0060.00714.55
7.3.20.0070.00716.45
7.3.10.0010.01216.46
7.3.00.0030.01016.61
7.2.330.0060.01716.57
7.2.320.0150.00316.38
7.2.310.0040.01216.34
7.2.300.0060.01616.58
7.2.290.0090.01316.52
7.2.250.0070.01114.77
7.2.240.0100.00714.78
7.2.230.0060.01014.94
7.2.220.0090.00714.85
7.2.210.0050.01214.60
7.2.200.0050.00814.71
7.2.190.0060.00914.62
7.2.180.0110.00514.78
7.2.170.0050.01314.73
7.2.160.0030.01214.77
7.2.150.0030.01216.52
7.2.140.0100.00016.68
7.2.130.0040.00716.49
7.2.120.0040.01116.82
7.2.110.0060.00916.65
7.2.100.0040.00816.75
7.2.90.0030.00916.59
7.2.80.0040.00816.79
7.2.70.0000.01516.48
7.2.60.0000.01416.66
7.2.50.0000.00916.78
7.2.40.0040.01116.63
7.2.30.0030.01316.87
7.2.20.0000.00916.74
7.2.10.0030.01116.88
7.2.00.0080.00517.95
7.1.330.0090.00515.59
7.1.320.0070.00815.74
7.1.310.0060.00615.71
7.1.300.0070.00915.59
7.1.290.0050.01115.69
7.1.280.0020.01315.73
7.1.270.0070.01015.60
7.1.260.0100.00315.52
7.1.250.0040.01115.63
7.1.200.0100.00315.61
7.1.100.0070.00317.75
7.1.70.0050.00516.70
7.1.60.0070.01719.46
7.1.50.0090.00616.62
7.1.00.0070.07022.30
7.0.200.0060.00616.32
7.0.140.0070.07021.96
7.0.60.0070.08319.90
7.0.50.0070.05717.88
7.0.40.0000.07317.86
7.0.30.0070.08717.75
7.0.20.0070.08317.85
7.0.10.0100.04717.82
7.0.00.0070.05317.74
5.6.280.0100.06720.78
5.6.210.0130.07720.65
5.6.200.0030.08018.16
5.6.190.0200.06018.27
5.6.180.0130.07718.18
5.6.170.0070.08018.29
5.6.160.0000.07718.16
5.6.150.0170.03318.12
5.6.140.0100.08018.15
5.6.130.0130.08018.14
5.6.120.0070.05718.21
5.6.110.0070.08018.17
5.6.100.0030.08018.15
5.6.90.0100.07718.13
5.6.80.0000.07317.68
5.6.70.0030.06017.55
5.6.60.0030.07317.53
5.6.50.0030.04317.57
5.6.40.0070.06717.50
5.6.30.0070.06717.64
5.6.20.0200.03317.54
5.6.10.0000.05717.50
5.6.00.0130.04717.63
5.5.350.4030.03720.47
5.5.340.0070.04018.02
5.5.330.0000.06318.08
5.5.320.0100.07718.08
5.5.310.0030.06317.97
5.5.300.0070.06717.95
5.5.290.0200.06318.08
5.5.280.0130.06017.95
5.5.270.0130.08017.94
5.5.260.0000.07018.02
5.5.250.0000.04317.90
5.5.240.0100.07317.40
5.5.230.0030.06317.34
5.5.220.0170.06317.34
5.5.210.0030.08717.29
5.5.200.0070.05017.34
5.5.190.0170.04017.44
5.5.180.0130.06717.32
5.5.160.0030.08317.34
5.5.150.0030.06717.32
5.5.140.0100.07017.28
5.5.130.0030.04017.38
5.5.120.0030.04017.29
5.5.110.0000.06317.26
5.5.100.0070.04717.29
5.5.90.0030.04317.17
5.5.80.0000.08017.23
5.5.70.0070.07317.18
5.5.60.0130.04717.32
5.5.50.0030.06017.20
5.5.40.0070.07717.22
5.5.30.0100.04717.17
5.5.20.0070.08317.32
5.5.10.0030.07717.17
5.5.00.0070.04717.32
5.4.450.0070.08719.29
5.4.440.0070.04719.36
5.4.430.0030.08719.35
5.4.420.0100.07019.37
5.4.410.0100.07719.23
5.4.400.0070.06019.04
5.4.390.0070.05719.05
5.4.380.0170.07019.04
5.4.370.0000.04319.04
5.4.360.0000.08319.01
5.4.350.0170.07019.04
5.4.340.0100.07019.05
5.4.320.0100.07319.14
5.4.310.0070.08018.89
5.4.300.0200.05719.11
5.4.290.0070.04319.05
5.4.280.0000.04719.11
5.4.270.0070.04319.27
5.4.260.0100.06319.12
5.4.250.0070.06318.97
5.4.240.0000.05719.12
5.4.230.0070.03719.04
5.4.220.0130.07019.11
5.4.210.0200.06019.00
5.4.200.0130.07019.26
5.4.190.0030.07719.05
5.4.180.0130.07019.10
5.4.170.0030.07018.95
5.4.160.0070.05019.12
5.4.150.0070.06719.08
5.4.140.0070.07016.36
5.4.130.0070.05716.48
5.4.120.0030.07016.35
5.4.110.0200.06016.43
5.4.100.0100.05716.30
5.4.90.0000.07316.37
5.4.80.0030.05316.35
5.4.70.0170.06016.54
5.4.60.0230.06016.41
5.4.50.0100.03016.56
5.4.40.0030.04016.51
5.4.30.0100.05316.43
5.4.20.0000.04016.40
5.4.10.0030.07716.40
5.4.00.0130.03716.05
5.3.290.0070.07714.67
5.3.280.0070.04714.63
5.3.270.0070.07714.45
5.3.260.0100.04714.59
5.3.250.0070.04314.60
5.3.240.0030.07714.55
5.3.230.0030.04014.61
5.3.220.0000.08014.55
5.3.210.0030.08314.57
5.3.200.0070.08014.61
5.3.190.0070.05014.41
5.3.180.0030.07714.51
5.3.170.0170.06714.77
5.3.160.0070.07314.42
5.3.150.0100.06314.40
5.3.140.0100.07014.63
5.3.130.0070.03714.49
5.3.120.0100.03714.58
5.3.110.0130.03014.54
5.3.100.0030.07714.07
5.3.90.0070.05713.96
5.3.80.0030.05314.09
5.3.70.0070.07314.07
5.3.60.0100.05014.10
5.3.50.0030.04713.96
5.3.40.0030.08013.82
5.3.30.0070.06313.95
5.3.20.0030.04313.79
5.3.10.0000.04713.86
5.3.00.0100.07313.83
5.2.170.0000.05711.24
5.2.160.0070.05311.24
5.2.150.0030.04711.13
5.2.140.0000.07011.20
5.2.130.0100.05711.09
5.2.120.0070.06011.14
5.2.110.0030.03711.09
5.2.100.0070.05310.94
5.2.90.0100.05711.13
5.2.80.0070.06010.93
5.2.70.0030.06711.19
5.2.60.0070.05711.27
5.2.50.0030.05311.06
5.2.40.0030.05310.99
5.2.30.0030.06711.00
5.2.20.0070.05710.82
5.2.10.0030.04711.07
5.2.00.0030.05710.71
5.1.60.0030.03010.19
5.1.50.0030.0479.95
5.1.40.0070.03010.03
5.1.30.0030.05710.32
5.1.20.0000.06310.38
5.1.10.0030.05310.16
5.1.00.0000.0439.90
5.0.50.0030.0439.54
5.0.40.0070.0309.54
5.0.30.0070.0539.54
5.0.20.0000.0279.54
5.0.10.0070.0309.54
5.0.00.0000.0709.54
4.4.90.0000.0409.54
4.4.80.0000.0379.54
4.4.70.0000.0379.54
4.4.60.0000.0379.54
4.4.50.0070.0339.54
4.4.40.0030.0579.54
4.4.30.0030.0279.54
4.4.20.0070.0309.54
4.4.10.0070.0339.54
4.4.00.0000.0539.54
4.3.110.0030.0339.54
4.3.100.0030.0179.54
4.3.90.0030.0309.54
4.3.80.0030.0409.54
4.3.70.0070.0339.54
4.3.60.0100.0209.54
4.3.50.0000.0379.54
4.3.40.0030.0479.54
4.3.30.0000.0239.54
4.3.20.0000.0239.54
4.3.10.0000.0339.54
4.3.00.0030.0339.54

preferences:
50.43 ms | 400 KiB | 5 Q