3v4l.org

run code in 300+ PHP versions simultaneously
<?hh function foo<T>(T $a): T { var_dump($a instanceof T); } foo(new stdClass());

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)
8.3.60.0170.00016.63
8.3.50.0100.01022.84
8.3.40.0090.00918.59
8.3.30.0090.00618.79
8.3.20.0080.00020.21
8.3.10.0050.00323.66
8.3.00.0080.00019.38
8.2.180.0070.00716.63
8.2.170.0170.00022.96
8.2.160.0030.01020.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00320.97
8.2.110.0070.00322.29
8.2.100.0040.00717.78
8.2.90.0050.00219.17
8.2.80.0040.00417.97
8.2.70.0070.00317.63
8.2.60.0070.00017.80
8.2.50.0000.00818.07
8.2.40.0040.00418.21
8.2.30.0040.00417.80
8.2.20.0080.00017.55
8.2.10.0040.00417.99
8.2.00.0040.00417.57
8.1.280.0100.01025.92
8.1.270.0030.00623.74
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0090.00023.97
8.1.230.0110.00019.23
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0100.00017.09
8.1.190.0000.00817.22
8.1.180.0000.00918.10
8.1.170.0050.00318.52
8.1.160.0080.00021.96
8.1.150.0000.00718.64
8.1.140.0050.00217.31
8.1.130.0000.00717.66
8.1.120.0040.00417.35
8.1.110.0000.00817.31
8.1.100.0000.00717.21
8.1.90.0000.00717.18
8.1.80.0050.00217.32
8.1.70.0030.00617.27
8.1.60.0050.00317.48
8.1.50.0030.00517.41
8.1.40.0000.00717.23
8.1.30.0040.00417.36
8.1.20.0000.00817.53
8.1.10.0000.00817.32
8.1.00.0040.00417.32
8.0.300.0040.00419.96
8.0.290.0070.00016.63
8.0.280.0000.00718.32
8.0.270.0000.00717.14
8.0.260.0030.00317.09
8.0.250.0040.00416.90
8.0.240.0000.00716.84
8.0.230.0030.00316.67
8.0.220.0030.00316.72
8.0.210.0070.00016.75
8.0.200.0060.00016.88
8.0.190.0030.00516.88
8.0.180.0030.00516.78
8.0.170.0020.00516.77
8.0.160.0000.00816.69
8.0.150.0030.00316.56
8.0.140.0080.00016.53
8.0.130.0000.00813.41
8.0.120.0050.00316.73
8.0.110.0070.00016.73
8.0.100.0040.00416.71
8.0.90.0050.00316.76
8.0.80.0130.00316.80
8.0.70.0040.00416.58
8.0.60.0040.00416.58
8.0.50.0080.00016.62
8.0.30.0110.00816.69
8.0.20.0120.00717.40
8.0.10.0000.00716.74
8.0.00.0070.01016.80
7.4.330.0060.00015.00
7.4.320.0000.00616.47
7.4.300.0040.00416.27
7.4.290.0080.00016.27
7.4.280.0040.00416.46
7.4.270.0060.00016.48
7.4.260.0030.00316.33
7.4.250.0030.00616.42
7.4.240.0010.00716.41
7.4.230.0030.00316.16
7.4.220.0110.00616.32
7.4.210.0030.01516.31
7.4.200.0020.00516.25
7.4.160.0140.00716.19
7.4.150.0120.00617.40
7.4.140.0080.00917.86
7.4.130.0130.00716.31
7.4.120.0100.00816.38
7.4.110.0130.01016.40
7.4.100.0110.00816.22
7.4.90.0100.00716.31
7.4.80.0000.02119.39
7.4.70.0110.00516.14
7.4.60.0120.00616.47
7.4.50.0040.00416.34
7.4.40.0030.01216.39
7.4.30.0030.01216.36
7.3.330.0040.00412.96
7.3.320.0030.00313.13
7.3.310.0030.00315.93
7.3.300.0040.00416.02
7.3.290.0090.01316.08
7.3.280.0120.00516.13
7.3.270.0100.00717.40
7.3.260.0120.00616.14
7.3.250.0060.01316.20
7.3.240.0140.00316.38
7.3.230.0100.00616.39
7.3.210.0070.01016.27
7.3.200.0130.00316.52
7.3.190.0100.00616.36
7.3.180.0100.01016.33
7.3.170.0120.00316.37
7.3.160.0070.01016.20
7.2.330.0160.00816.38
7.2.320.0150.00616.23
7.2.310.0070.01616.52
7.2.300.0080.00816.48
7.2.290.0090.00816.64
5.4.320.0050.03712.45
5.4.310.0040.03912.45
5.4.300.0070.03412.45
5.4.290.0080.03912.45
5.4.280.0050.04412.35
5.4.270.0110.03612.35
5.4.260.0070.03712.34
5.4.250.0080.03912.34
5.4.240.0070.03512.34
5.4.230.0050.03712.34
5.4.220.0040.03712.34
5.4.210.0060.03412.34
5.4.200.0050.03712.34
5.4.190.0130.03112.34
5.4.180.0050.03712.34
5.4.170.0050.03612.34
5.4.160.0050.03512.34
5.4.150.0060.03812.34
5.4.140.0080.03812.02
5.4.130.0050.03512.01
5.4.120.0060.03511.96
5.4.110.0060.03511.96
5.4.100.0040.03711.97
5.4.90.0040.03811.96
5.4.80.0070.03511.96
5.4.70.0040.04011.96
5.4.60.0040.03511.96
5.4.50.0070.03911.96
5.4.40.0050.03511.95
5.4.30.0050.03511.95
5.4.20.0070.03911.95
5.4.10.0070.03211.95
5.4.00.0060.03511.43

preferences:
40.77 ms | 401 KiB | 5 Q