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run code in 300+ PHP versions simultaneously
<?php $a = 'COLÃ?N 1391'; function normalize_str($str) { $invalid = array(''=>'S', ''=>'s', ''=>'Dj', ''=>'dj', ''=>'Z', ''=>'z', ''=>'C', ''=>'c', ''=>'C', ''=>'c', ''=>'A', ''=>'A', ''=>'A', ''=>'A', ''=>'A', ''=>'A', ''=>'A', ''=>'C', ''=>'E', ''=>'E', ''=>'E', ''=>'E', ''=>'I', ''=>'I', ''=>'I', ''=>'I', ''=>'N', ''=>'O', ''=>'O', ''=>'O', ''=>'O', ''=>'O', ''=>'O', ''=>'U', ''=>'U', ''=>'U', ''=>'U', ''=>'Y', ''=>'B', ''=>'Ss', ''=>'a', ''=>'a', ''=>'a', ''=>'a', ''=>'a', ''=>'a', ''=>'a', ''=>'c', ''=>'e', ''=>'e', ''=>'e', ''=>'e', ''=>'i', ''=>'i', ''=>'i', ''=>'i', ''=>'o', ''=>'n', ''=>'o', ''=>'o', ''=>'o', ''=>'o', ''=>'o', ''=>'o', ''=>'u', ''=>'u', ''=>'u', ''=>'y', ''=>'y', ''=>'b', ''=>'y', ''=>'R', ''=>'r', "`" => "'", "" => "'", "" => ",", "`" => "'", "" => "'", "" => "\"", "" => "\"", "" => "'", "&acirc;" => "'", "{" => "", "~" => "", "" => "-", "" => "'"); $str = str_replace(array_keys($invalid), array_values($invalid), $str); return $str; } echo nomrmalize_str($a);

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)
8.3.60.0070.01418.31
8.3.50.0120.00721.08
8.3.40.0110.00318.84
8.3.30.0100.00318.67
8.3.20.0000.00820.27
8.3.10.0040.00423.67
8.3.00.0040.00422.40
8.2.180.0220.00016.75
8.2.170.0110.00422.96
8.2.160.0180.00320.32
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0090.00017.50
8.2.110.0030.00619.45
8.2.100.0040.00717.63
8.2.90.0000.00719.17
8.2.80.0030.00517.97
8.2.70.0000.00817.50
8.2.60.0000.00717.93
8.2.50.0040.00418.07
8.2.40.0040.00421.04
8.2.30.0040.00419.79
8.2.20.0000.00717.78
8.2.10.0040.00418.07
8.2.00.0000.00817.96
8.1.280.0140.00025.92
8.1.270.0120.00420.07
8.1.260.0080.00026.35
8.1.250.0090.00028.09
8.1.240.0000.00923.79
8.1.230.0080.00317.42
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0030.00617.36
8.1.190.0090.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.45
8.1.160.0040.00421.93
8.1.150.0070.00018.86
8.1.140.0040.00417.45
8.1.130.0000.00717.61
8.1.120.0000.00717.23
8.1.110.0040.00417.34
8.1.100.0000.00717.38
8.1.90.0000.00717.25
8.1.80.0040.00417.38
8.1.70.0050.00217.36
8.1.60.0040.00717.53
8.1.50.0090.00017.52
8.1.40.0080.00317.55
8.1.30.0030.00517.68
8.1.20.0000.00817.61
8.1.10.0070.00017.47
8.1.00.0000.00717.37
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0050.00317.19
8.0.260.0000.00617.19
8.0.250.0050.00516.99
8.0.240.0030.00316.95
8.0.230.0000.00716.81
8.0.220.0030.00316.89
8.0.210.0000.00816.94
8.0.200.0070.00016.97
8.0.190.0040.00416.96
8.0.180.0000.00716.85
8.0.170.0040.00416.88
8.0.160.0050.00316.86
8.0.150.0000.00716.88
8.0.140.0000.01116.86
8.0.130.0000.00613.27
8.0.120.0040.00416.90
8.0.110.0040.00416.78
8.0.100.0040.00416.82
8.0.90.0000.00716.93
8.0.80.0040.01416.83
8.0.70.0050.00216.74
8.0.60.0040.00416.91
8.0.50.0050.00316.76
8.0.30.0100.00817.02
8.0.20.0120.01017.40
8.0.10.0040.00416.79
8.0.00.0110.00716.61
7.4.330.0030.00315.08
7.4.320.0000.00716.45
7.4.300.0030.00316.52
7.4.290.0000.00716.59
7.4.280.0000.00716.48
7.4.270.0030.00316.61
7.4.260.0030.00616.49
7.4.250.0040.00416.45
7.4.240.0070.00016.55
7.4.230.0030.00316.66
7.4.220.0060.01216.70
7.4.210.0060.01016.45
7.4.200.0030.00316.66
7.4.160.0060.01016.53
7.4.150.0100.00717.40
7.4.140.0090.00817.86
7.4.130.0060.01416.51
7.4.120.0060.01116.49
7.4.110.0170.00016.61
7.4.100.0070.01416.63
7.4.90.0060.01716.48
7.4.80.0090.00919.39
7.4.70.0130.00316.59
7.4.60.0100.00716.33
7.4.50.0030.00316.34
7.4.40.0130.00316.55
7.4.30.0040.01116.59
7.4.00.0030.01414.96
7.3.330.0000.00613.30
7.3.320.0000.00513.27
7.3.310.0000.00716.36
7.3.300.0030.00316.16
7.3.290.0040.01116.25
7.3.280.0090.00916.31
7.3.270.0070.01417.40
7.3.260.0350.02216.43
7.3.250.0100.00716.26
7.3.240.0070.01016.29
7.3.230.0160.00616.40
7.3.210.0180.00016.30
7.3.200.0090.01619.39
7.3.190.0130.00316.47
7.3.180.0110.00516.29
7.3.170.0030.01716.39
7.3.160.0160.00616.39
7.3.10.0070.00616.34
7.3.00.0030.01016.30
7.2.330.0070.01016.41
7.2.320.0110.01416.28
7.2.310.0100.01316.45
7.2.300.0030.01916.53
7.2.290.0170.00316.29
7.2.130.0030.00716.85
7.2.120.0040.01216.96
7.2.110.0030.00716.75
7.2.100.0110.00416.88
7.2.90.0110.00416.89
7.2.80.0030.00716.80
7.2.70.0090.00616.68
7.2.60.0080.00516.87
7.2.50.0060.00616.82
7.2.40.0060.00916.85
7.2.30.0120.00716.77
7.2.20.0030.00716.85
7.2.10.0000.01416.55
7.2.00.0030.01118.03
7.1.250.0030.01015.46
7.1.200.0140.00215.44
7.1.100.0120.00618.01
7.1.70.0180.00516.95
7.1.60.0100.01320.03
7.1.50.0080.01216.97
7.1.00.0030.07722.47
7.0.200.0050.00516.62
7.0.60.0170.07720.05
7.0.50.0130.07717.92
7.0.40.0070.06320.23
7.0.30.0330.05020.16
7.0.20.0270.05020.09
7.0.10.0130.04020.12
7.0.00.0170.07320.16
5.6.280.0070.05321.13
5.6.210.0070.07320.74
5.6.200.0000.09718.18
5.6.190.0100.07020.50
5.6.180.0300.07320.63
5.6.170.0230.07720.57
5.6.160.0100.08020.46
5.6.150.0000.05318.27
5.6.140.0100.07718.24
5.6.130.0000.05318.28
5.6.120.0070.08321.14
5.6.110.0130.07321.04
5.6.100.0100.08321.00
5.6.90.0170.08020.99
5.6.80.0030.03720.53
5.6.70.3700.03320.46
5.5.350.0100.04320.48
5.5.340.0070.06317.99
5.5.330.0070.04020.30
5.5.320.0330.07720.29
5.5.310.0170.04020.29
5.5.300.0000.08318.01
5.5.290.0100.07718.07
5.5.280.0030.04020.87
5.5.270.0000.04320.89
5.5.260.0170.07320.67
5.5.250.0130.05320.71
5.5.240.0130.08020.10
5.4.450.0600.06019.44
5.4.440.0870.05019.57
5.4.430.0870.04319.57
5.4.420.0900.05019.58
5.4.410.0870.04319.21
5.4.400.0800.05019.01
5.4.390.0730.06019.29
5.4.380.0870.05719.25
5.4.370.0900.05318.98
5.4.360.0670.05718.98
5.4.350.0700.05019.25
5.4.340.0130.05719.01
5.4.320.0070.05319.11
5.4.310.0400.04719.23
5.4.300.0800.05719.36
5.4.290.0830.05319.29
5.4.280.0870.05719.14
5.4.270.0800.06019.13
5.4.260.0870.05719.28
5.4.250.0730.06018.86
5.4.240.0830.05719.21
5.4.230.1000.05718.84
5.4.220.0870.05018.83
5.4.210.0900.05019.17
5.4.200.0830.05016.78
5.4.190.0930.04319.13
5.4.180.0870.05719.34
5.4.170.0930.05318.98
5.4.160.0800.05719.02
5.4.150.0800.05719.12
5.4.140.0900.05016.45
5.4.130.0830.05716.35
5.4.120.0970.04716.39
5.4.110.0870.05316.43
5.4.100.0900.04716.32
5.4.90.0900.06316.39
5.4.80.0870.05016.50
5.4.70.0830.06316.42
5.4.60.0200.04016.44
5.4.50.0030.05016.56
5.4.40.0170.03016.52
5.4.30.0330.06316.54
5.4.20.0270.07016.51

preferences:
46.39 ms | 401 KiB | 5 Q