3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'Foo', 'bAr', 'BaR', 'fOO', 'baR', ]; $result = []; foreach ($array as $v) { $result[mb_strtoupper($v)] ??= $v; } var_export(array_values($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)
8.5.30.0080.00819.36
8.5.20.0070.01020.02
8.5.10.0080.00819.52
8.5.00.0140.01221.54
8.4.180.0150.00819.52
8.4.170.0120.01023.72
8.4.160.0130.00923.93
8.4.150.0070.00616.90
8.4.140.0090.01117.21
8.4.130.0040.00619.28
8.4.120.0100.01120.70
8.4.110.0120.01019.04
8.4.100.0120.00917.50
8.4.90.0120.01017.85
8.4.80.0110.00417.84
8.4.70.0130.00717.83
8.4.60.0110.00918.71
8.4.50.0020.00719.54
8.4.40.0160.00023.98
8.4.30.0120.00624.08
8.4.20.0170.00319.63
8.4.10.0110.00019.47
8.3.300.0110.00920.66
8.3.290.0110.01118.52
8.3.280.0080.01218.51
8.3.270.0110.00816.31
8.3.260.0100.00816.59
8.3.250.0140.00518.80
8.3.240.0050.00316.70
8.3.230.0130.00616.73
8.3.220.0100.00516.68
8.3.210.0100.00816.73
8.3.200.0050.00416.74
8.3.190.0060.00217.19
8.3.180.0040.00416.40
8.3.170.0090.00916.95
8.3.160.0160.00020.62
8.3.150.0040.00417.13
8.3.140.0160.00316.73
8.3.130.0070.01016.64
8.3.120.0340.00916.24
8.3.110.0340.01216.51
8.3.100.0420.00916.14
8.3.90.0330.02816.71
8.3.80.0370.01016.35
8.3.70.0350.00716.51
8.3.60.0310.00016.48
8.3.50.0220.00016.62
8.3.40.0150.00317.65
8.3.30.0140.00217.41
8.3.20.0150.00217.44
8.3.10.0140.00317.36
8.3.00.0000.01017.54
8.2.300.0080.01118.87
8.2.290.0100.00920.03
8.2.280.0120.00618.78
8.2.270.0070.01116.76
8.2.260.0100.00716.88
8.2.250.0040.00416.68
8.2.240.0120.00816.29
8.2.230.0130.00616.48
8.2.220.0140.00716.63
8.2.210.0150.00416.31
8.2.200.0240.00816.27
8.2.190.0170.00316.56
8.2.180.0170.00716.18
8.2.170.0200.00017.41
8.2.160.0280.00917.43
8.2.150.0290.01017.50
8.2.140.0290.01517.30
8.2.130.0300.01217.32
8.2.120.0390.00317.55
8.2.110.0290.01317.32
8.2.100.0310.01017.55
8.2.90.0410.00017.43
8.2.80.0320.00817.42
8.2.70.0310.01017.34
8.2.60.0480.00017.27
8.2.50.0350.00717.42
8.2.40.0310.00317.76
8.2.30.0280.00916.96
8.2.20.0300.00717.49
8.2.10.0280.01017.12
8.2.00.0320.00617.59
8.1.340.0110.01017.63
8.1.330.0100.00916.54
8.1.320.0140.00616.16
8.1.310.0040.00418.53
8.1.300.0340.00616.14
8.1.290.0320.00716.32
8.1.280.0280.01215.91
8.1.270.0350.00917.25
8.1.260.0320.00917.29
8.1.250.0340.00717.07
8.1.240.0300.00317.41
8.1.230.0200.00917.29
8.1.220.0210.00417.07
8.1.210.0220.00017.20
8.1.200.0140.00517.18
8.1.190.0150.00417.16
8.1.180.0250.00816.99
8.1.170.0250.01417.27
8.1.160.0110.01117.38
8.1.150.0200.00417.46
8.1.140.0260.00317.23
8.1.130.0160.01217.08
8.1.120.0230.01217.34
8.1.110.0290.00617.30
8.1.100.0290.00417.29
8.1.90.0350.00317.06
8.1.80.0280.00917.33
8.1.70.0260.01017.21
8.1.60.0340.00517.42
8.1.50.0230.01717.32
8.1.40.0280.01117.32
8.1.30.0320.00717.28
8.1.20.0290.00317.48
8.1.10.0340.00417.13
8.1.00.0290.00317.38

preferences:
55.11 ms | 978 KiB | 5 Q