3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} echo intval(is_a('A', A, 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)
8.3.60.0070.01416.36
8.3.50.0110.01021.11
8.3.40.0000.01518.67
8.3.30.0140.00318.81
8.3.20.0080.00020.03
8.3.10.0040.00423.52
8.3.00.0090.00023.64
8.2.180.0120.00616.72
8.2.170.0140.00022.96
8.2.160.0150.00020.44
8.2.150.0000.00824.18
8.2.140.0140.00424.66
8.2.130.0040.00421.07
8.2.120.0080.00426.35
8.2.110.0140.00322.06
8.2.100.0120.00017.93
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0030.00617.47
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0000.00822.32
8.2.30.0000.00720.64
8.2.20.0000.00817.75
8.2.10.0030.00618.10
8.2.00.0050.00218.12
8.1.280.0130.00325.92
8.1.270.0000.00923.73
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0090.00022.46
8.1.230.0110.00019.22
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.36
8.1.190.0040.00417.13
8.1.180.0000.00718.10
8.1.170.0040.00418.51
8.1.160.0050.00220.75
8.1.150.0000.00818.73
8.1.140.0000.00819.41
8.1.130.0070.00017.68
8.1.120.0000.00717.41
8.1.110.0030.00517.36
8.1.100.0030.00517.44
8.1.90.0040.00417.27
8.1.80.0000.00717.28
8.1.70.0030.00317.41
8.1.60.0040.00417.54
8.1.50.0040.00417.46
8.1.40.0000.00817.38
8.1.30.0000.00817.54
8.1.20.0060.00317.58
8.1.10.0040.00417.43
8.1.00.0000.00717.48
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.45
8.0.270.0070.00017.13
8.0.260.0000.00817.17
8.0.250.0030.00317.06
8.0.240.0000.00617.02
8.0.230.0030.00417.05
8.0.220.0030.00316.95
8.0.210.0040.00416.84
8.0.200.0000.00717.01
8.0.190.0040.00417.08
8.0.180.0040.00416.89
8.0.170.0030.00516.91
8.0.160.0000.00716.98
8.0.150.0040.00416.94
8.0.140.0050.00516.95
8.0.130.0000.00513.42
8.0.120.0080.00016.82
8.0.110.0050.00216.95
8.0.100.0000.00816.82
8.0.90.0040.00417.07
8.0.80.0070.01016.99
8.0.70.0040.00416.79
8.0.60.0000.00816.83
8.0.50.0070.00016.95
8.0.30.0100.00717.12
8.0.20.0110.01317.40
8.0.10.0040.00417.04
8.0.00.0120.00716.72
7.4.330.0030.00316.82
7.4.320.0000.00716.38
7.4.300.0000.00616.44
7.4.290.0030.00316.41
7.4.280.0060.00316.45
7.4.270.0040.00416.32
7.4.260.0040.00416.34
7.4.250.0000.00716.41
7.4.240.0040.00316.43
7.4.230.0030.00316.60
7.4.220.0090.01216.47
7.4.210.0070.00716.53
7.4.200.0030.00316.34
7.4.160.0120.00316.34
7.4.150.0150.00817.40
7.4.140.0060.01217.86
7.4.130.0140.00916.52
7.4.120.0120.00616.45
7.4.110.0100.00616.40
7.4.100.0140.00316.27
7.4.90.0130.00616.71
7.4.80.0110.00819.39
7.4.70.0090.01216.46
7.4.60.0080.00816.42
7.4.50.0140.00316.56
7.4.40.0070.00716.32
7.4.30.0000.01816.53
7.4.00.0100.00315.00
7.3.330.0000.00613.15
7.3.320.0030.00313.29
7.3.310.0030.00316.11
7.3.300.0070.00016.25
7.3.290.0030.00316.34
7.3.280.0070.01116.27
7.3.270.0120.00417.40
7.3.260.0130.00916.59
7.3.250.0100.00616.31
7.3.240.0100.00916.40
7.3.230.0070.01016.56
7.3.210.0120.00916.20
7.3.200.0090.00616.50
7.3.190.0130.00316.45
7.3.180.0060.01016.52
7.3.170.0090.00916.36
7.3.160.0030.01216.44
7.2.330.0110.00616.71
7.2.320.0140.00916.63
7.2.310.0100.00616.61
7.2.300.0120.00616.36
7.2.290.0100.00716.57
7.2.60.0030.00916.85
7.2.00.0090.00019.35
7.1.200.0030.01015.44
7.1.100.0000.01317.98
7.1.70.0040.00417.07
7.1.60.0070.01719.06
7.1.50.0130.00916.86
7.1.00.0130.06322.36
7.0.200.0030.00616.66
7.0.60.0100.04719.92
7.0.50.0070.03717.90
7.0.40.0030.04720.27
7.0.30.0200.06020.23
7.0.20.0130.04320.33
7.0.10.0000.05020.30
7.0.00.0070.08020.32
5.6.280.0000.04020.87
5.6.210.0100.07720.47
5.6.200.0100.07718.29
5.6.190.0070.09020.63
5.6.180.0030.07320.60
5.6.170.0300.07320.54
5.6.160.0070.07720.48
5.6.150.0000.08718.17
5.6.140.0100.06718.12
5.6.130.0170.07318.18
5.6.120.0170.04721.14
5.6.110.0030.04021.05
5.6.100.0070.05320.88
5.6.90.0170.06321.10
5.6.80.0070.08020.27
5.5.350.0270.07320.44
5.5.340.0100.04717.98
5.5.330.0170.07720.41
5.5.320.0600.05320.37
5.5.310.0170.09020.37
5.5.300.0100.08017.91
5.5.290.0100.08018.07
5.5.280.0170.07720.77
5.5.270.0070.05720.86
5.5.260.0030.04020.76
5.5.250.0200.07020.58
5.5.240.0200.07320.18

preferences:
36.71 ms | 401 KiB | 5 Q