3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib() { static $i = 1; static $k = 0; $boof = $k; $k = $i + $k; $i = $boof; return $k; } fib(); fib(); fib(); fib(); fib(); fib(); echo $fib_result = fib();

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)
8.4.120.0140.00723.99
8.4.110.0130.00721.22
8.4.100.0060.00318.78
8.4.90.0110.01018.89
8.4.80.0100.01018.80
8.4.70.0070.01218.00
8.4.60.0040.00818.96
8.4.50.0040.00518.64
8.4.40.0100.01017.35
8.4.30.0060.01320.86
8.4.20.0130.00717.66
8.4.10.0040.00419.48
8.3.250.0090.00818.95
8.3.240.0040.00417.18
8.3.230.0100.00516.86
8.3.220.0050.00218.95
8.3.210.0070.00616.59
8.3.200.0050.00416.51
8.3.190.0140.00417.48
8.3.180.0110.00817.12
8.3.170.0070.01122.81
8.3.160.0060.01317.01
8.3.150.0110.00717.36
8.3.140.0130.00616.50
8.3.130.0030.00618.27
8.3.120.0050.00319.04
8.3.110.0060.00920.94
8.3.100.0080.00024.06
8.3.90.0080.00026.77
8.3.80.0040.00417.97
8.3.70.0030.01618.30
8.3.60.0100.01016.70
8.3.50.0110.00716.47
8.3.40.0150.00621.82
8.3.30.0130.00822.96
8.3.20.0100.00923.17
8.3.10.0120.00723.18
8.3.00.0120.00722.96
8.2.290.0110.00820.49
8.2.280.0060.00918.27
8.2.270.0110.00717.02
8.2.260.0080.00016.75
8.2.250.0050.00518.39
8.2.240.0040.00717.29
8.2.230.0030.00622.58
8.2.220.0060.00337.54
8.2.210.0150.00426.77
8.2.200.0060.00316.63
8.2.190.0040.01116.58
8.2.180.0120.00616.74
8.2.170.0030.01022.96
8.2.160.0120.00722.96
8.2.150.0110.00822.96
8.2.140.0110.00622.96
8.2.130.0120.00722.96
8.2.120.0110.00722.96
8.2.110.0110.00822.96
8.2.100.0130.00522.96
8.2.90.0100.00922.96
8.2.80.0100.00822.96
8.2.70.0110.00722.96
8.2.60.0110.00522.96
8.2.50.0100.00622.96
8.2.40.0100.00722.96
8.2.30.0080.00822.96
8.2.20.0090.00722.96
8.2.10.0110.00522.96
8.2.00.0110.00622.96
8.1.330.0100.00922.03
8.1.320.0150.00716.30
8.1.310.0050.00316.64
8.1.300.0050.00515.96
8.1.290.0060.00330.84
8.1.280.0140.00425.92
8.1.270.0100.00723.30
8.1.260.0090.00623.25
8.1.250.0090.00623.29
8.1.240.0070.00822.96
8.1.230.0080.00822.96
8.1.220.0080.00722.96
8.1.210.0110.00622.96
8.1.200.0100.00722.96
8.1.190.0080.00822.96
8.1.180.0100.00622.96
8.1.170.0100.00622.96
8.1.160.0080.00822.96
8.1.150.0090.00622.96
8.1.140.0080.00822.96
8.1.130.0080.00722.96
8.1.120.0110.00522.96
8.1.110.0100.00522.96
8.1.100.0100.00622.96
8.1.90.0080.00722.96
8.1.80.0120.00522.96
8.1.70.0090.00722.96
8.1.60.0080.00722.96
8.1.50.0100.00522.96
8.1.40.0100.00722.96
8.1.30.0110.00522.96
8.1.20.0070.00922.96
8.1.10.0090.00722.96
8.1.00.0080.00822.96

preferences:
30.45 ms | 403 KiB | 5 Q