3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cities = ['New York', 'Boston', 'Los Angeles', 'Cincinnati', 'Chicago', 'Houston', 'Philadelphia', 'Dallas', 'Seattle']; $result = []; foreach ($cities as $city) { $result[$city[0]][] = $city; } var_export($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)
8.4.120.0040.00520.44
8.4.110.0130.00818.78
8.4.100.0070.00417.78
8.4.90.0120.00817.71
8.4.80.0050.00422.56
8.4.70.0110.00917.80
8.4.60.0130.01018.73
8.4.50.0070.00218.56
8.4.40.0140.00418.69
8.4.30.0000.00818.91
8.4.20.0030.00519.57
8.4.10.0100.01019.32
8.3.250.0090.00918.96
8.3.240.0100.00916.79
8.3.230.0100.00916.67
8.3.220.0130.00517.14
8.3.210.0130.00616.79
8.3.200.0040.00416.62
8.3.190.0130.00517.24
8.3.180.0070.01017.45
8.3.170.0100.00720.78
8.3.160.0100.00717.17
8.3.150.0130.00717.29
8.3.140.0000.01017.11
8.3.130.0030.00518.49
8.3.120.0060.00320.70
8.3.110.0030.00520.94
8.3.100.0070.00324.06
8.3.90.0100.01026.77
8.3.80.0060.00317.97
8.3.70.0100.00718.45
8.3.60.0100.01016.45
8.3.50.0140.00924.50
8.3.40.0240.00517.63
8.3.30.0280.00617.13
8.3.20.0250.00317.13
8.3.10.0210.00717.38
8.3.00.0200.01017.24
8.2.290.0110.00718.86
8.2.280.0040.00418.26
8.2.270.0140.00419.05
8.2.260.0210.00018.11
8.2.250.0030.00516.89
8.2.240.0090.00017.27
8.2.230.0090.00022.58
8.2.220.0030.00637.54
8.2.210.0070.00026.77
8.2.200.0120.00016.38
8.2.190.0070.00716.63
8.2.180.0250.00716.00
8.2.170.0330.00017.88
8.2.160.0220.01217.62
8.2.150.0280.00717.47
8.2.140.0270.00517.13
8.2.130.0290.00417.50
8.2.120.0190.01617.13
8.2.110.0290.01017.36
8.2.100.0330.00317.25
8.2.90.0290.00417.38
8.2.80.0320.00417.25
8.2.70.0220.01117.38
8.2.60.0210.01217.73
8.2.50.0210.01417.38
8.2.40.0240.00817.50
8.2.30.0320.00417.38
8.2.20.0260.01017.38
8.2.10.0230.00917.37
8.2.00.0320.00417.46
8.1.330.0110.00716.73
8.1.320.0090.00616.16
8.1.310.0090.00018.21
8.1.300.0040.00417.85
8.1.290.0070.00330.84
8.1.280.0260.01315.50
8.1.270.0080.00817.36
8.1.260.0320.00417.23
8.1.250.0220.01917.50
8.1.240.0250.00317.00
8.1.230.0210.00617.13
8.1.220.0200.00617.25
8.1.210.0250.00416.98
8.1.200.0200.00817.13
8.1.190.0250.00316.88
8.1.180.0190.01016.98
8.1.170.0170.01317.13
8.1.160.0210.00817.00
8.1.150.0230.00617.25
8.1.140.0260.00417.00
8.1.130.0180.01117.00
8.1.120.0230.00917.13
8.1.110.0240.00617.00
8.1.100.0230.00817.35
8.1.90.0210.00717.13
8.1.80.0180.01116.99
8.1.70.0210.00917.13
8.1.60.0280.00616.98
8.1.50.0270.00717.13
8.1.40.0310.00316.75
8.1.30.0260.00717.13
8.1.20.0300.00417.13
8.1.10.0300.00317.38
8.1.00.0290.01017.11

preferences:
25.77 ms | 403 KiB | 5 Q