3v4l.org

run code in 300+ PHP versions simultaneously
<?hh function transform($str) { return $str |> strtoupper($$) |> str_replace(' ', '_', $$) |> str_split($$) |> array_map(function($chr) { return ord($chr); }, $$) |> join('', $$); } echo transform("Flemming Busman");

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)
8.3.60.0060.00918.27
8.3.50.0040.01117.95
8.3.40.0150.00018.64
8.3.30.0110.00418.59
8.3.20.0000.00719.09
8.3.10.0040.00421.86
8.3.00.0070.00020.61
8.2.180.0030.01116.35
8.2.170.0090.00622.96
8.2.160.0070.00722.11
8.2.150.0000.00725.66
8.2.140.0000.00824.66
8.2.130.0080.00018.09
8.2.120.0060.00326.35
8.2.110.0100.00022.24
8.2.100.0040.00817.78
8.2.90.0080.00017.75
8.2.80.0090.00017.97
8.2.70.0000.00817.90
8.2.60.0000.00718.03
8.2.50.0030.00518.10
8.2.40.0080.00419.30
8.2.30.0030.00518.98
8.2.20.0040.00418.02
8.2.10.0040.00417.93
8.2.00.0040.00417.39
8.1.280.0120.00325.92
8.1.270.0070.00018.81
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00424.00
8.1.230.0080.00319.16
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0070.00018.74
8.1.150.0070.00018.75
8.1.140.0050.00222.13
8.1.130.0000.00820.25
8.1.120.0070.00017.30
8.1.110.0060.00317.30
8.1.100.0000.00717.28
8.1.90.0030.00517.30
8.1.80.0000.00717.31
8.1.70.0000.00717.30
8.1.60.0000.00817.46
8.1.50.0050.00317.41
8.1.40.0070.00017.33
8.1.30.0040.00417.55
8.1.20.0000.00717.40
8.1.10.0040.00417.34
8.1.00.0030.00517.29
8.0.300.0040.00419.70
8.0.290.0040.00416.63
8.0.280.0030.00318.35
8.0.270.0030.00317.18
8.0.260.0030.00318.23
8.0.250.0050.00216.80
8.0.240.0060.00016.79
8.0.230.0000.00716.82
8.0.220.0000.00716.76
8.0.210.0080.00016.62
8.0.200.0030.00316.67
8.0.190.0070.00016.84
8.0.180.0040.00416.75
8.0.170.0040.00416.75
8.0.160.0030.00316.76
8.0.150.0030.00316.73
8.0.140.0050.00216.70
8.0.130.0030.00313.37
8.0.120.0000.00716.71
8.0.110.0000.00716.64
8.0.100.0000.00716.70
8.0.90.0000.00716.71
8.0.80.0090.01216.74
8.0.70.0040.00416.61
8.0.60.0040.00416.66
8.0.50.0040.00416.64
8.0.30.0100.01017.18
8.0.20.0160.00417.40
8.0.10.0000.00816.85
8.0.00.0070.01116.69
7.4.330.0030.00315.55
7.4.320.0000.00816.48
7.4.300.0000.00616.34
7.4.290.0030.00316.36
7.4.280.0040.00416.27
7.4.270.0000.00716.39
7.4.260.0060.00316.36
7.4.250.0030.00316.34
7.4.240.0040.00416.41
7.4.230.0030.00316.16
7.4.220.0030.00516.21
7.4.210.0050.01116.35
7.4.200.0040.00416.20
7.4.160.0140.00516.43
7.4.140.0110.00917.86
7.4.130.0200.00016.52
7.4.120.0100.00616.44
7.4.110.0090.01516.29
7.4.100.0130.00716.22
7.4.90.0070.01016.24
7.4.80.0090.00919.39
7.4.70.0130.00316.36
7.4.60.0140.00316.34
7.4.50.0060.01316.28
7.4.40.0030.01316.32
7.3.330.0020.00213.11
7.3.320.0050.00013.22
7.3.310.0020.00716.28
7.3.300.0000.00716.02
7.3.290.0060.00015.99
7.3.280.0090.00816.14
7.3.260.0110.00916.41
7.3.240.0090.00716.35
7.3.230.0180.00016.45
7.3.210.0030.01616.30
7.3.200.0100.01016.44
7.3.190.0100.00716.36
7.3.180.0150.00616.18
7.3.170.0180.00416.46
7.3.160.0140.00916.39
7.2.330.0110.01116.47
7.2.320.0030.02016.34
7.2.310.0120.00316.45
7.2.300.0060.01016.45
7.2.290.0130.00316.59

preferences:
53.61 ms | 400 KiB | 5 Q