3v4l.org

run code in 300+ PHP versions simultaneously
<?php setlocale(LC_ALL, "Turkish"); $str="i"; $res=strtoupper($str); var_dump([ "str"=>$str, "str_hex"=>bin2hex($str), "res"=>$res, "res_hex"=>bin2hex($res), ]);

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)
8.5.10.0100.00816.65
8.5.00.0120.01120.06
8.4.160.0120.00523.82
8.4.150.0020.00014.05
8.4.140.0110.00917.39
8.4.130.0110.00717.52
8.4.120.0100.00920.76
8.4.110.0060.00322.28
8.4.100.0060.00317.57
8.4.90.0070.00920.61
8.4.80.0080.00824.35
8.4.70.0040.00420.58
8.4.60.0140.00620.53
8.4.50.0140.00618.45
8.4.40.0030.00717.55
8.4.30.0070.01020.46
8.4.20.0140.00317.58
8.4.10.0130.00619.18
8.3.290.0170.00618.36
8.3.280.0120.01420.03
8.3.270.0170.01016.37
8.3.260.0070.00816.46
8.3.250.0110.00719.05
8.3.240.0050.00316.38
8.3.230.0040.00416.56
8.3.220.0100.00518.90
8.3.210.0050.00316.67
8.3.200.0030.00616.62
8.3.190.0100.00917.40
8.3.180.0060.00218.98
8.3.170.0100.00917.19
8.3.160.0110.00718.19
8.3.150.0100.00018.43
8.3.140.0110.00720.55
8.3.130.0030.00516.69
8.3.120.0040.00420.71
8.3.110.0050.00220.94
8.3.100.0130.00316.64
8.3.90.0100.00726.77
8.3.80.0030.00616.50
8.3.70.0150.00316.58
8.3.60.0140.00016.75
8.3.50.0070.00719.74
8.3.40.0040.01118.57
8.3.30.0110.00418.58
8.3.20.0050.00224.18
8.3.10.0080.00024.66
8.3.00.0050.00326.16
8.2.300.0130.00718.13
8.2.290.0100.01017.24
8.2.280.0090.00918.39
8.2.270.0160.00316.41
8.2.260.0070.01117.25
8.2.250.0000.00818.60
8.2.240.0100.00018.73
8.2.230.0030.00522.58
8.2.220.0040.00724.06
8.2.210.0050.00326.77
8.2.200.0030.00616.48
8.2.190.0140.00016.63
8.2.180.0150.00025.92
8.2.170.0120.00318.84
8.2.160.0130.00022.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00321.04
8.2.110.0060.00322.20
8.2.100.0050.00518.71
8.1.340.0080.00219.74
8.1.330.0110.00817.83
8.1.320.0140.00616.23
8.1.310.0100.00716.63
8.1.300.0070.00418.00
8.1.290.0040.00730.84
8.1.280.0090.00925.92
8.1.270.0020.00523.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00718.55
8.1.230.0070.00318.46
7.4.260.0090.00416.44

preferences:
33.7 ms | 403 KiB | 5 Q