3v4l.org

run code in 300+ PHP versions simultaneously
<? class Dog { } class Poodle extends Dog { } $poppy = new Poodle( ); print (int)($poppy instanceof Poodle); print "\n"; print (int)is_subclass_of($poppy, "Poodle"); ?>

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)
8.3.60.0110.00718.18
8.3.50.0080.01022.01
8.3.40.0070.00718.59
8.3.30.0140.00418.45
8.3.20.0050.00319.22
8.3.10.0050.00221.73
8.3.00.0080.00019.69
8.2.180.0030.01716.50
8.2.170.0070.01022.96
8.2.160.0030.01020.35
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00720.96
8.2.110.0030.00621.06
8.2.100.0040.00817.85
8.2.90.0040.00417.72
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0040.00417.91
8.2.50.0040.00418.09
8.2.40.0050.00322.33
8.2.30.0070.00019.18
8.2.20.0030.00517.61
8.2.10.0040.00417.92
8.2.00.0040.00417.91
8.1.280.0120.00625.92
8.1.270.0040.00423.91
8.1.260.0070.00026.35
8.1.250.0100.00328.09
8.1.240.0060.00322.24
8.1.230.0040.00720.93
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00717.22
8.1.190.0040.00417.11
8.1.180.0000.00718.10
8.1.170.0030.00518.59
8.1.160.0050.00320.61
8.1.150.0000.00718.85
8.1.140.0080.00019.44
8.1.130.0000.00717.46
8.1.120.0030.00517.31
8.1.110.0040.00717.20
8.1.100.0000.00717.33
8.1.90.0040.00417.22
8.1.80.0040.00417.20
8.1.70.0030.00317.35
8.1.60.0040.00417.42
8.1.50.0040.00417.39
8.1.40.0040.00417.38
8.1.30.0000.00917.41
8.1.20.0040.00417.55
8.1.10.0080.00017.36
8.1.00.0000.00817.43
8.0.300.0080.00020.00
8.0.290.0050.00216.58
8.0.280.0030.00318.33
8.0.270.0000.00717.16
8.0.260.0030.00317.05
8.0.250.0000.00716.76
8.0.240.0000.00816.77
8.0.230.0000.00716.68
8.0.220.0070.00016.74
8.0.210.0000.00716.75
8.0.200.0030.00316.82
8.0.190.0030.00516.79
8.0.180.0030.00616.67
8.0.170.0040.00416.78
8.0.160.0070.00016.82
8.0.150.0040.00416.76
8.0.140.0000.00816.80
8.0.130.0000.00613.26
8.0.120.0030.00516.71
8.0.110.0030.00616.58
8.0.100.0060.00316.79
8.0.90.0030.00316.81
8.0.80.0070.01016.71
8.0.70.0040.00416.78
8.0.60.0040.00416.70
8.0.50.0000.00816.53
8.0.30.0080.01116.92
8.0.20.0090.01017.40
8.0.10.0040.00416.78
8.0.00.0120.00616.52
7.4.330.0000.00515.08
7.4.320.0040.00416.47
7.4.300.0040.00416.45
7.4.290.0070.00016.45
7.4.280.0040.00416.33
7.4.270.0000.00616.43
7.4.260.0030.00316.34
7.4.250.0070.00016.41
7.4.240.0030.00316.50
7.4.230.0000.00716.45
7.4.220.0150.01216.31
7.4.210.0090.00616.46
7.4.200.0000.00716.24
7.4.160.0160.00016.30
7.4.150.0080.00817.40
7.4.140.0130.00617.86
7.4.130.0090.00816.52
7.4.120.0080.00916.38
7.4.110.0070.01016.31
7.4.100.0000.01616.38
7.4.90.0100.00716.42
7.4.80.0070.01019.39
7.4.70.0040.01216.36
7.4.60.0130.00316.34
7.4.50.0060.00916.26
7.4.40.0110.01116.26
7.4.30.0110.00616.49
7.4.00.0100.00614.83
7.3.330.0060.00013.26
7.3.320.0060.00013.30
7.3.310.0070.00016.16
7.3.300.0030.00316.11
7.3.290.0050.01116.18
7.3.280.0070.01016.14
7.3.270.0050.01117.40
7.3.260.0070.01016.43
7.3.250.0130.00616.19
7.3.240.0110.00816.33
7.3.230.0130.00616.39
7.3.210.0070.01016.39
7.3.200.0070.00716.04
7.3.190.0120.00416.36
7.3.180.0150.00716.36
7.3.170.0140.00716.21
7.3.160.0070.01016.18
7.3.120.0030.01214.65
7.3.110.0080.00614.69
7.3.100.0070.00714.67
7.3.90.0050.00914.72
7.3.80.0050.01014.74
7.3.70.0070.00914.69
7.3.60.0070.00714.78
7.3.50.0080.00814.51
7.3.40.0080.00914.45
7.3.30.0060.00614.65
7.3.20.0070.00616.46
7.3.10.0070.00716.50
7.3.00.0050.00916.53
7.2.330.0100.01316.32
7.2.320.0090.01216.55
7.2.310.0030.01416.55
7.2.300.0170.00016.50
7.2.290.0100.00716.42
7.2.250.0080.01215.04
7.2.240.0060.01114.87
7.2.230.0050.00714.88
7.2.220.0060.01114.88
7.2.210.0070.00814.95
7.2.200.0070.01114.71
7.2.190.0070.00814.78
7.2.180.0110.00714.68
7.2.170.0070.00514.95
7.2.160.0070.00314.54
7.2.150.0000.01616.92
7.2.140.0030.01316.45
7.2.130.0070.00916.81
7.2.120.0090.00616.65
7.2.110.0060.00916.67
7.2.100.0050.01016.69
7.2.90.0090.00716.95
7.2.80.0020.00916.86
7.2.70.0040.01016.50
7.2.60.0050.01116.53
7.2.50.0090.00416.93
7.2.40.0050.01016.94
7.2.30.0090.00516.68
7.2.20.0040.01016.76
7.2.10.0100.00616.80
7.2.00.0080.00616.97
7.1.330.0030.01015.55
7.1.320.0050.00815.52
7.1.310.0090.00615.54
7.1.300.0080.00615.67
7.1.290.0050.00815.47
7.1.280.0040.00915.59
7.1.270.0030.00815.57
7.1.260.0030.01015.53
7.1.250.0060.00915.72
7.1.70.0000.00717.13
7.1.60.0060.00919.47
7.1.00.0070.07322.45
7.0.200.0380.00914.83
7.0.60.0700.00019.90
7.0.50.0800.00020.21
7.0.40.0870.00020.44
7.0.30.0970.00020.26
7.0.20.0800.00020.33
7.0.10.0830.00020.29
7.0.00.1000.00020.24
5.6.280.0130.06320.78
5.6.210.0900.00020.74
5.6.200.0970.00021.21
5.6.190.0970.00021.04
5.6.180.0900.00021.07
5.6.170.0770.00021.16
5.6.160.0870.00021.05
5.6.150.0900.00021.12
5.6.140.0800.00021.06
5.6.130.0930.00021.08
5.6.120.0870.00021.07
5.6.110.0730.00021.05
5.6.100.1170.00021.11
5.6.90.0730.00021.09
5.6.80.0670.00020.53
5.6.70.1030.00020.50
5.6.60.0930.00020.54
5.6.50.1070.00020.41
5.6.40.0870.00020.42
5.6.30.0830.00020.32
5.6.20.0930.00020.36
5.6.10.1030.00020.36
5.6.00.1030.00020.55
5.5.350.1100.00020.44
5.5.340.0900.00020.85
5.5.330.0870.00020.84
5.5.320.0770.00021.04
5.5.310.0800.00020.86
5.5.300.0930.00020.86
5.5.290.0970.00021.03
5.5.280.0730.00020.84
5.5.270.1070.00021.02
5.5.260.0900.00020.85
5.5.250.0730.00020.81
5.5.240.0830.00020.42
5.5.230.1030.00020.21
5.5.220.1070.00020.42
5.5.210.0930.00020.20
5.5.200.1000.00020.10
5.5.190.0870.00020.36
5.5.180.0900.00020.11
5.5.160.0970.00020.38
5.5.150.0830.00020.06
5.5.140.0870.00020.35
5.5.130.0870.00020.22
5.5.120.0930.00020.22
5.5.110.0770.00020.17
5.5.100.0970.00020.09
5.5.90.0670.00020.11
5.5.80.0700.00020.09
5.5.70.0970.00020.16
5.5.60.0870.00020.24
5.5.50.0770.00020.17
5.5.40.0870.00020.03
5.5.30.0800.00020.24
5.5.20.0700.00020.03
5.5.10.0700.00019.98
5.5.00.0700.00020.06

preferences:
56.53 ms | 401 KiB | 5 Q