3v4l.org

run code in 300+ PHP versions simultaneously
<?php [$x, $y] = null; var_dump($x, $y);

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)
8.5.10.0100.00718.46
8.5.00.0130.01019.88
8.4.160.0170.00620.69
8.4.150.0010.00114.05
8.4.140.0130.00717.65
8.4.130.0060.00324.20
8.4.120.0080.00518.71
8.4.110.0090.01020.39
8.4.100.0110.01017.91
8.4.90.0050.00420.63
8.4.80.0070.00118.87
8.4.70.0080.00919.12
8.4.60.0150.00520.61
8.4.50.0120.00918.44
8.4.40.0060.00317.75
8.4.30.0110.01120.38
8.4.20.0130.00717.80
8.4.10.0030.01325.98
8.3.280.0150.00618.23
8.3.270.0090.01016.45
8.3.260.0040.00416.64
8.3.250.0080.01016.64
8.3.240.0130.00616.59
8.3.230.0120.00716.59
8.3.220.0100.00818.75
8.3.210.0120.00318.28
8.3.200.0060.00516.56
8.3.190.0110.00918.79
8.3.180.0100.00822.45
8.3.170.0090.00917.01
8.3.160.0140.00716.52
8.3.150.0090.00916.36
8.3.140.0050.00318.48
8.3.130.0040.00418.96
8.3.120.0080.00019.00
8.3.110.0080.00020.94
8.3.100.0260.00426.97
8.3.90.0220.00732.15
8.3.80.0220.00627.08
8.3.70.0170.01027.06
8.3.60.0280.00727.78
8.3.50.0270.00828.85
8.3.40.0260.00628.13
8.3.30.0170.01028.29
8.3.20.0140.00730.86
8.3.10.0110.00231.10
8.3.00.0080.00531.85
8.2.290.0080.01317.05
8.2.280.0110.00918.51
8.2.270.0190.00016.40
8.2.260.0060.01216.95
8.2.250.0100.01016.80
8.2.240.0080.00017.04
8.2.230.0090.00922.58
8.2.220.0070.00430.80
8.2.210.0110.00232.15
8.2.200.0100.00426.95
8.2.190.0160.00427.06
8.2.180.0100.00731.73
8.2.170.0180.00228.18
8.2.160.0120.00430.25
8.2.150.0100.00331.60
8.2.140.0170.00631.10
8.2.130.0150.00931.85
8.2.120.0190.00631.85
8.2.110.0150.01129.91
8.2.100.0210.00528.96
8.2.90.0420.00037.54
8.2.80.0340.00937.54
8.2.70.0430.00437.54
8.2.60.0370.01037.54
8.2.50.0360.00637.54
8.2.40.0280.01137.54
8.2.30.0240.01437.54
8.2.20.0230.01637.54
8.2.10.0400.00037.54
8.2.00.0180.00437.54
8.1.330.0070.00415.96
8.1.320.0090.01015.85
8.1.310.0140.00316.63
8.1.300.0090.00017.90
8.1.290.0180.00134.19
8.1.280.0120.00931.73
8.1.270.0140.00430.76
8.1.260.0120.00231.94
8.1.250.0220.00232.81
8.1.240.0230.00228.04
8.1.230.0200.00528.09
8.1.220.0230.01937.54
8.1.210.0310.01037.54
8.1.200.0350.00637.54
8.1.190.0290.00937.54
8.1.180.0280.01237.54
8.1.170.0370.00337.54
8.1.160.0230.01737.54
8.1.150.0390.00037.54
8.1.140.0230.00337.54
8.1.130.0160.00837.54
8.1.120.0110.00637.54
8.1.110.0140.00337.54
8.1.100.0130.00437.54
8.1.90.0160.00337.54
8.1.80.0160.00337.54
8.1.70.0150.00437.54
8.1.60.0250.00637.54
8.1.50.0140.00424.08
8.1.40.0210.00537.54
8.1.30.0200.00037.54
8.1.20.0170.00237.54
8.1.10.0190.00037.54
8.1.00.0170.00337.54
8.0.300.0330.00537.54
8.0.290.0230.00937.54
8.0.280.0420.00037.54
8.0.270.0290.01037.54
8.0.260.0290.01037.54
8.0.250.0320.00437.54
8.0.240.0250.00437.54
8.0.230.0220.00037.54
8.0.220.0130.00737.54
8.0.210.0130.00937.54
8.0.200.0160.00337.54
8.0.190.0120.00637.54
8.0.180.0160.00237.54
8.0.170.0110.00737.54
8.0.160.0190.00037.54
8.0.150.0190.00537.54
8.0.140.0150.00537.54
8.0.130.0170.00037.54
8.0.120.0150.00337.54
8.0.110.0340.00437.54
8.0.100.0310.00437.54
8.0.90.0320.00537.54
8.0.80.0300.00637.54
8.0.70.0260.01037.54
8.0.60.0280.00737.54
8.0.50.0310.00737.54
8.0.30.0270.00937.54
8.0.20.0230.00037.54
8.0.10.0240.00337.54
7.4.330.0260.00737.54
7.4.320.0310.00537.54
7.4.300.0310.00637.54
7.4.290.0270.00637.54
7.4.280.0180.00737.54
7.4.270.0080.00837.54
7.4.260.0140.00337.54
7.4.250.0160.00337.54
7.4.240.0210.00437.54
7.4.230.0130.00537.54
7.4.220.0160.00037.54
7.4.210.0160.00037.54
7.4.200.0080.00837.54
7.4.190.0270.00037.54
7.4.180.0170.00037.54
7.4.160.0160.00037.54
7.4.150.0300.00437.54
7.4.140.0270.00737.54
7.4.130.0100.00737.54
7.4.120.0170.00037.54
7.4.110.0130.00337.54
7.4.100.0170.00037.54
7.4.90.0120.00437.54
7.4.80.0130.00737.54
7.4.70.0180.00037.54
7.4.60.0120.00437.54
7.4.50.0080.00837.54
7.4.40.0150.00237.54
7.4.30.0140.00237.54
7.4.20.0120.00437.54
7.4.10.0080.00837.54
7.4.00.0120.00437.54

preferences:
77.27 ms | 403 KiB | 5 Q