3v4l.org

run code in 300+ PHP versions simultaneously
<?hh function main() { $a = Pair {1, 2}; $b = &$a[0]; } main();

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)
8.3.40.0070.00718.59
8.3.30.0100.00718.92
8.3.20.0030.00720.25
8.3.10.0040.00423.66
8.3.00.0030.00717.50
8.2.170.0100.00722.96
8.2.160.0140.00720.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00722.36
8.2.110.0100.00620.30
8.2.100.0110.00018.09
8.2.90.0000.00718.96
8.2.80.0030.00617.97
8.2.70.0030.00517.25
8.2.60.0000.00917.80
8.2.50.0120.00018.07
8.2.40.0080.00019.82
8.2.30.0040.00417.98
8.2.20.0050.00217.60
8.2.10.0000.00717.98
8.2.00.0040.00417.52
8.1.270.0080.00423.99
8.1.260.0040.00426.35
8.1.250.0100.00728.09
8.1.240.0050.00523.92
8.1.230.0070.00418.99
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0040.00418.58
8.1.160.0000.00721.93
8.1.150.0040.00418.71
8.1.140.0000.00717.22
8.1.130.0000.00817.80
8.1.120.0090.00017.29
8.1.110.0040.00417.31
8.1.100.0000.00817.33
8.1.90.0060.00317.21
8.1.80.0040.00417.33
8.1.70.0030.00317.17
8.1.60.0060.00317.46
8.1.50.0080.00017.35
8.1.40.0040.00417.41
8.1.30.0000.00817.43
8.1.20.0030.00517.36
8.1.10.0070.00017.43
8.1.00.0080.00017.32
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.41
8.0.270.0000.00716.71
8.0.260.0040.00417.23
8.0.250.0030.00316.85
8.0.240.0030.00516.72
8.0.230.0030.00316.81
8.0.220.0030.00516.76
8.0.210.0030.00316.66
8.0.200.0050.00516.80
8.0.190.0000.00816.80
8.0.180.0000.00816.67
8.0.170.0040.00416.84
8.0.160.0000.00816.88
8.0.150.0030.00316.67
8.0.140.0040.00416.61
8.0.130.0030.00313.30
8.0.120.0040.00416.76
8.0.110.0000.00816.69
8.0.100.0040.00416.86
8.0.90.0080.00016.82
8.0.80.0090.00616.74
8.0.70.0020.00516.72
8.0.60.0000.00716.64
8.0.50.0080.00016.75
8.0.30.0130.00616.99
8.0.20.0110.01117.40
8.0.10.0030.00516.82
8.0.00.0110.00616.57
7.4.330.0030.00315.00
7.4.320.0060.00016.35
7.4.300.0000.00616.31
7.4.290.0000.00716.46
7.4.280.0080.00016.20
7.4.270.0000.00716.27
7.4.260.0070.00016.24
7.4.250.0000.00816.43
7.4.240.0000.00716.40
7.4.230.0000.00716.46
7.4.220.0140.00416.46
7.4.210.0100.01016.48
7.4.200.0030.00316.46
7.4.160.0080.00816.38
7.4.150.0070.01117.40
7.4.140.0120.00517.86
7.4.130.0110.00816.32
7.4.120.0090.00816.47
7.4.110.0090.01216.15
7.4.100.0060.01216.26
7.4.90.0120.00816.53
7.4.80.0040.01219.39
7.4.70.0060.01016.35
7.4.60.0090.00616.22
7.4.50.0060.00316.42
7.4.40.0130.00716.33
7.4.30.0130.00316.31
7.3.330.0020.00213.20
7.3.320.0050.00013.08
7.3.310.0030.00315.96
7.3.300.0030.00316.17
7.3.290.0040.01116.13
7.3.280.0080.01016.10
7.3.270.0130.00317.40
7.3.260.0130.01316.25
7.3.250.0030.01316.30
7.3.240.0120.00816.12
7.3.230.0060.01016.39
7.3.210.0080.00816.21
7.3.200.0130.00719.39
7.3.190.0120.00916.12
7.3.180.0040.01216.38
7.3.170.0160.00016.27
7.3.160.0090.00616.21
7.2.330.0030.01316.33
7.2.320.0030.01316.32
7.2.310.0100.00616.66
7.2.300.0060.01116.34
7.2.290.0070.01116.57
5.4.340.0080.03812.01
5.4.320.0080.04212.45
5.4.310.0120.03712.45
5.4.300.0060.04212.45
5.4.290.0050.04212.45
5.4.280.0140.04912.35
5.4.270.0080.04212.34
5.4.260.0070.04512.35
5.4.250.0070.06112.34
5.4.240.0080.04512.34
5.4.230.0060.04812.34
5.4.220.0090.05112.34
5.4.210.0130.04712.34
5.4.200.0110.04712.34
5.4.190.0040.04212.33
5.4.180.0050.03712.33
5.4.170.0080.03612.35
5.4.160.0160.03712.34
5.4.150.0080.05012.34
5.4.140.0090.03912.02
5.4.130.0070.03912.01
5.4.120.0090.04311.96
5.4.110.0050.04211.96
5.4.100.0080.03911.96
5.4.90.0040.04111.96
5.4.80.0080.03811.96
5.4.70.0120.03411.96
5.4.60.0030.03911.96
5.4.50.0070.03511.96
5.4.40.0070.03311.95
5.4.30.0110.03711.95
5.4.20.0070.03911.95
5.4.10.0070.04111.95
5.4.00.0100.04611.43

preferences:
38.21 ms | 400 KiB | 5 Q