3v4l.org

run code in 300+ PHP versions simultaneously
<?php $letters1 = range('A', 'C'); $letters2 = array_merge([''], range('A', 'C')); foreach($letters1 as $l1) { foreach($letters2 as $l2) { for($i=1; $i<=20; ++$i) { $result[] = $i.$l1.$l2; } } } print_r($result);

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)
8.5.30.0130.00619.62
8.5.20.0110.00820.19
8.5.10.0140.00420.11
8.5.00.0120.01020.02
8.4.180.0110.01021.16
8.4.170.0130.00920.42
8.4.160.0050.00622.31
8.4.150.0050.00816.87
8.4.140.0140.00717.52
8.4.130.0140.00617.95
8.4.120.0120.00823.92
8.4.110.0020.00722.77
8.4.100.0130.00718.56
8.4.90.0130.00718.86
8.4.80.0060.00220.32
8.4.70.0140.00618.11
8.4.60.0120.01118.87
8.4.50.0090.01018.73
8.4.40.0120.00320.52
8.4.30.0080.00018.86
8.4.20.0040.01619.72
8.4.10.0120.00323.88
8.3.300.0040.00620.94
8.3.290.0100.01020.88
8.3.280.0130.00718.39
8.3.270.0080.01116.53
8.3.260.0080.00616.71
8.3.250.0050.00318.85
8.3.240.0130.00617.38
8.3.230.0090.00716.60
8.3.220.0110.00818.88
8.3.210.0070.01016.95
8.3.200.0060.00316.66
8.3.190.0120.00617.32
8.3.180.0110.00917.34
8.3.170.0050.00518.91
8.3.160.0060.01317.36
8.3.150.0030.01417.05
8.3.140.0120.00316.56
8.3.130.0080.00018.66
8.3.120.0060.00320.80
8.3.110.0060.00320.94
8.3.100.0070.00724.06
8.3.90.0040.00426.77
8.3.80.0070.00318.37
8.3.70.0090.00616.63
8.3.60.0040.01416.88
8.3.50.0040.01116.60
8.3.40.0120.00621.90
8.3.30.0160.00718.59
8.3.20.0070.01024.18
8.3.10.0020.00724.66
8.3.00.0040.00426.16
8.2.300.0110.00923.89
8.2.290.0110.00720.22
8.2.280.0060.01118.38
8.2.270.0070.01117.32
8.2.260.0050.00316.52
8.2.250.0040.00416.65
8.2.240.0090.00616.90
8.2.230.0050.00522.58
8.2.220.0090.00037.54
8.2.210.0080.00026.77
8.2.200.0030.00616.50
8.2.190.0060.00916.58
8.2.180.0090.01225.92
8.2.170.0110.00419.08
8.2.160.0140.00022.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00526.16
8.2.110.0060.00321.06
8.2.100.0110.00017.88
8.2.90.0040.00418.34
8.2.80.0040.00418.22
8.2.70.0050.00317.75
8.2.60.0040.00417.63
8.2.50.0060.00317.55
8.2.40.0030.00519.48
8.2.30.0180.00017.63
8.2.20.0060.00317.62
8.2.10.0160.00017.62
8.2.00.0080.00817.62
8.1.340.0100.01117.63
8.1.330.0130.00522.07
8.1.320.0060.01617.86
8.1.310.0080.00016.64
8.1.300.0070.00316.08
8.1.290.0030.00630.84
8.1.280.0100.01025.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0080.00023.83
8.1.230.0030.01022.71
8.1.220.0000.00817.79
8.1.210.0030.00618.77
8.1.200.0090.00017.35
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0060.00318.86
8.1.160.0080.00817.62
8.1.150.0130.00317.62
8.1.140.0160.00017.62
8.1.130.0110.00517.62
8.1.120.0100.00717.62
8.1.110.0100.00517.62
8.1.100.0130.00317.62
8.1.90.0100.00517.62
8.1.80.0140.00517.62
8.1.70.0200.00017.62
8.1.60.0140.00417.62
8.1.50.0110.00717.62
8.1.40.0080.00817.62
8.1.30.0130.00417.62
8.1.20.0090.00917.62
8.1.10.0130.00417.62
8.1.00.0140.00717.62
8.0.300.0050.00320.03
8.0.290.0000.00716.75
8.0.280.0000.01717.62
8.0.270.0140.00317.62
8.0.260.0110.00617.62
8.0.250.0170.00017.62
8.0.240.0130.00417.62
8.0.230.0130.00317.62
8.0.220.0110.00517.62
8.0.210.0130.00417.62
8.0.200.0080.00817.62
8.0.190.0140.00317.62
8.0.180.0160.00017.62
8.0.170.0120.00417.62
8.0.160.0150.00017.62
8.0.150.0090.00617.62
8.0.140.0110.00517.62
8.0.130.0130.00217.62
8.0.120.0100.00517.62
8.0.110.0140.00317.62
8.0.100.0130.00417.62
8.0.90.0170.00017.62
8.0.80.0120.00317.62
8.0.70.0170.00017.62
8.0.60.0120.00217.62
8.0.50.0140.00217.62
8.0.30.0150.00317.62
8.0.20.0130.00317.62
8.0.10.0140.00317.62

preferences:
48.64 ms | 1707 KiB | 5 Q