3v4l.org

run code in 300+ PHP versions simultaneously
<?php function utf8_scrub($str, $substitute = 0x3013) { $regex = '/ ([\x00-\x7F] # U+0000 - U+007F |[\xC2-\xDF][\x80-\xBF] # U+0080 - U+07FF | \xE0[\xA0-\xBF][\x80-\xBF] # U+0800 - U+0FFF |[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # U+1000 - U+CFFF | \xED[\x80-\x9F][\x80-\xBF] # U+D000 - U+D7FF | \xF0[\x90-\xBF][\x80-\xBF]{2} # U+10000 - U+3FFFF |[\xF1-\xF3][\x80-\xBF]{3} # U+40000 - U+FFFFF | \xF4[\x80-\x8F][\x80-\xBF]{2}) # U+100000 - U+10FFFF |(\xE0[\xA0-\xBF] # U+0800 - U+0FFF (invalid) |[\xE1-\xEC\xEE\xEF][\x80-\xBF] # U+1000 - U+CFFF (invalid) | \xED[\x80-\x9F] # U+D000 - U+D7FF (invalid) | \xF0[\x90-\xBF][\x80-\xBF]? # U+10000 - U+3FFFF (invalid) |[\xF1-\xF3][\x80-\xBF]{1,2} # U+40000 - U+FFFFF (invalid) | \xF4[\x80-\x8F][\x80-\xBF]?) # U+100000 - U+10FFFF (invalid) |(.) # invalid 1-byte /xs'; // $matches[1]: valid character // $matches[2]: invalid 3-byte or 4-byte character // $matches[3]: invalid 1-byte $ret = preg_replace_callback( $regex, function ($matches) use ($substitute) { if (isset($matches[2]) || isset($matches[3])) { return $substitute; } return $matches[1]; }, $str ); return $ret; } $examples = array( 'Valid ASCII' => "a", 'Valid 2 Octet Sequence' => "\xc3\xb1", 'Invalid 2 Octet Sequence' => "\xc3\x28", 'Invalid Sequence Identifier' => "\xa0\xa1", 'Valid 3 Octet Sequence' => "\xe2\x82\xa1", 'Invalid 3 Octet Sequence (in 2nd Octet)' => "\xe2\x28\xa1", 'Invalid 3 Octet Sequence (in 3rd Octet)' => "\xe2\x82\x28", 'Valid 4 Octet Sequence' => "\xf0\x90\x8c\xbc", 'Invalid 4 Octet Sequence (in 2nd Octet)' => "\xf0\x28\x8c\xbc", 'Invalid 4 Octet Sequence (in 3rd Octet)' => "\xf0\x90\x28\xbc", 'Invalid 4 Octet Sequence (in 4th Octet)' => "\xf0\x28\x8c\x28", 'Valid 5 Octet Sequence (but not Unicode!)' => "\xf8\xa1\xa1\xa1\xa1", 'Valid 6 Octet Sequence (but not Unicode!)' => "\xfc\xa1\xa1\xa1\xa1\xa1", ); foreach ($examples as $k => $v) { echo "{$k}\n"; echo utf8_scrub($v); echo "\n"; }

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)
8.3.60.0030.01218.20
8.3.50.0140.01121.21
8.3.40.0130.01019.04
8.3.30.0030.01020.29
8.3.20.0040.00420.39
8.3.10.0050.00321.27
8.3.00.0040.00422.39
8.2.180.0060.01016.88
8.2.170.0040.01122.96
8.2.160.0060.01222.38
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00420.92
8.2.110.0040.00419.39
8.2.100.0000.01218.03
8.2.90.0100.00019.34
8.2.80.0080.00017.97
8.2.70.0000.00817.59
8.2.60.0030.00517.93
8.2.50.0090.00018.07
8.2.40.0000.00818.09
8.2.30.0050.00219.54
8.2.20.0080.00017.86
8.2.10.0000.00717.87
8.2.00.0040.00418.04
8.1.280.0140.00725.92
8.1.270.0080.00023.99
8.1.260.0110.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00321.25
8.1.230.0060.00617.45
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0100.00017.48
8.1.190.0030.00517.35
8.1.180.0090.00318.10
8.1.170.0060.00318.76
8.1.160.0000.00818.92
8.1.150.0040.00418.78
8.1.140.0000.00817.68
8.1.130.0040.00417.92
8.1.120.0040.00417.70
8.1.110.0020.00517.58
8.1.100.0040.00417.51
8.1.90.0000.00817.66
8.1.80.0070.00017.66
8.1.70.0000.00817.59
8.1.60.0060.00317.67
8.1.50.0000.00817.68
8.1.40.0030.00517.62
8.1.30.0000.00817.82
8.1.20.0030.00517.79
8.1.10.0060.00317.77
8.1.00.0090.00017.60
8.0.300.0000.00818.77
8.0.290.0080.00016.88
8.0.280.0040.00418.48
8.0.270.0040.00417.28
8.0.260.0030.00316.98
8.0.250.0000.00817.14
8.0.240.0000.00717.13
8.0.230.0050.00217.11
8.0.220.0070.00017.08
8.0.210.0030.00316.97
8.0.200.0000.00617.12
8.0.190.0050.00217.13
8.0.180.0000.00717.09
8.0.170.0040.00417.08
8.0.160.0040.00417.11
8.0.150.0040.00417.03
8.0.140.0000.00717.08
8.0.130.0000.00613.44
8.0.120.0040.00416.93
8.0.110.0000.00816.99
8.0.100.0050.00316.93
8.0.90.0000.00717.10
8.0.80.0060.00917.03
8.0.70.0000.00717.00
8.0.60.0000.00817.00
8.0.50.0040.00416.92
8.0.30.0080.01117.25
8.0.20.0210.01617.41
8.0.10.0070.00017.00
8.0.00.0120.00717.13
7.4.330.0060.00014.95
7.4.320.0030.00316.83
7.4.300.0000.00716.82
7.4.290.0030.00316.68
7.4.280.0000.00816.73
7.4.270.0030.00316.73
7.4.260.0030.00313.42
7.4.250.0000.00716.79
7.4.240.0050.00316.81
7.4.230.0030.00316.82
7.4.220.0130.00316.76
7.4.210.0100.00816.73
7.4.200.0030.00316.54
7.4.190.0000.00716.89
7.4.160.0110.01116.67
7.4.150.0100.00917.40
7.4.140.0110.00917.86
7.4.130.0120.00516.72
7.4.120.0080.01216.73
7.4.110.0130.00716.75
7.4.100.0130.00616.54
7.4.90.0090.01516.61
7.4.80.0030.01419.39
7.4.70.0120.00916.75
7.4.60.0080.00816.49
7.4.50.0060.00316.75
7.4.40.0130.00322.77
7.4.30.0180.00016.80
7.4.00.0070.00315.32
7.3.330.0050.00013.38
7.3.320.0030.00313.38
7.3.310.0070.00016.49
7.3.300.0000.00716.50
7.3.290.0090.01216.48
7.3.280.0090.00816.45
7.3.270.0060.01217.40
7.3.260.0120.00618.24
7.3.250.0120.00916.49
7.3.240.0120.00816.65
7.3.230.0110.00716.55
7.3.210.0070.01016.56
7.3.200.0090.00919.39
7.3.190.0130.00716.74
7.3.180.0160.00016.58
7.3.170.0140.00916.59
7.3.160.0100.00716.53
7.3.120.0100.00715.04
7.3.10.0060.00916.77
7.3.00.0000.01216.91
7.2.330.0150.00516.82
7.2.320.0150.00316.78
7.2.310.0060.01617.00
7.2.300.0150.00217.02
7.2.290.0110.00716.92
7.2.130.0040.00817.11
7.2.120.0060.01017.04
7.2.110.0090.00316.81
7.2.100.0090.00617.14
7.2.90.0070.00317.20
7.2.80.0060.00317.22
7.2.70.0120.00317.16
7.2.60.0080.00417.25
7.2.50.0130.00317.24
7.2.40.0040.00717.21
7.2.30.0090.00017.17
7.2.20.0040.00816.91
7.2.10.0090.00617.26
7.2.00.0030.01118.36
7.1.250.0030.00916.12
7.1.100.0060.00618.13
7.1.70.0040.00817.54
7.1.60.0030.01719.17
7.1.50.0130.01017.32
7.1.00.0030.03322.45
7.0.200.0030.01016.95
7.0.140.0000.07722.10
7.0.100.0100.07720.00
7.0.90.0070.08719.86
7.0.80.0530.07719.95
7.0.70.0530.09020.01
7.0.60.0570.08019.96
7.0.50.0570.07720.28
7.0.40.0070.08020.19
7.0.30.0130.06320.09
7.0.20.0070.08319.96
7.0.10.0030.08320.09
7.0.00.0070.09019.95
5.6.280.0000.08020.77
5.6.250.0070.08320.68
5.6.240.0030.05020.68
5.6.230.0130.06020.61
5.6.220.0070.07720.63
5.6.210.0070.05020.66
5.6.200.0130.08020.99
5.6.190.0030.05321.03
5.6.180.0170.07321.02
5.6.170.0030.08021.19
5.6.160.0130.05721.06
5.6.150.0100.08021.03
5.6.140.0000.09021.06
5.6.130.0030.08321.04
5.6.120.0170.07321.05
5.6.110.0170.05020.94
5.6.100.0130.07321.03
5.6.90.0100.06021.04
5.6.80.0170.06720.51
5.6.70.0030.04720.34
5.6.60.0170.07720.49
5.6.50.0100.08320.35
5.6.40.0030.08720.32
5.6.30.0070.06020.39
5.6.20.0070.08320.30
5.6.10.0100.05720.38
5.6.00.0100.07320.47
5.5.380.0130.07020.57
5.5.370.0070.08020.46
5.5.360.0070.08020.43
5.5.350.0070.08720.36
5.5.340.0030.08320.92
5.5.330.0100.08720.82
5.5.320.0170.07320.94
5.5.310.0130.07020.81
5.5.300.0130.05320.91
5.5.290.0200.05320.75
5.5.280.0130.07020.90
5.5.270.0130.06720.80
5.5.260.0100.09020.74
5.5.250.0100.06720.73
5.5.240.0130.07320.30
5.5.230.0030.07720.21
5.5.220.0030.07720.13
5.5.210.0100.07720.23
5.5.200.0130.04020.20
5.5.190.0100.08020.24
5.5.180.0030.08020.28
5.5.160.0100.06320.26
5.5.150.0070.07720.26
5.5.140.0070.07320.13
5.5.130.0030.08320.15
5.5.120.0030.08320.22
5.5.110.0100.07720.24
5.5.100.0030.07020.12
5.5.90.0130.06719.94
5.5.80.0170.04319.91
5.5.70.0130.07720.17
5.5.60.0170.07020.04
5.5.50.0030.09020.14
5.5.40.0070.08320.07
5.5.30.0070.06720.10
5.5.20.0070.08020.06
5.5.10.0130.07019.98
5.5.00.0070.04720.05
5.4.450.0170.07019.56
5.4.440.0030.04319.21
5.4.430.0070.07319.46
5.4.420.0070.08019.46
5.4.410.0070.06019.38
5.4.400.0030.07318.91
5.4.390.0030.08019.09
5.4.380.0100.06319.07
5.4.370.0100.07019.13
5.4.360.0170.07319.05
5.4.350.0100.07019.04
5.4.340.0130.06019.05
5.4.320.0000.07319.05
5.4.310.0030.06319.20
5.4.300.0070.07319.04
5.4.290.0070.07719.03
5.4.280.0130.07319.14
5.4.270.0100.06319.13
5.4.260.0100.06018.93
5.4.250.0030.07319.20
5.4.240.0030.07019.23
5.4.230.0070.05719.23
5.4.220.0000.08019.18
5.4.210.0030.08319.22
5.4.200.0230.05019.13
5.4.190.0070.07718.87
5.4.180.0070.07718.84
5.4.170.0100.07319.13
5.4.160.0130.07019.16
5.4.150.0070.07319.07
5.4.140.0030.06316.47
5.4.130.0000.08016.24
5.4.120.0000.08316.50
5.4.110.0130.04716.52
5.4.100.0130.06316.52
5.4.90.0030.06316.49
5.4.80.0030.06316.54
5.4.70.0030.05316.51
5.4.60.0030.06716.48
5.4.50.0000.08016.33
5.4.40.0030.07316.42
5.4.30.0030.08016.30
5.4.20.0000.07316.25
5.4.10.0070.07016.39
5.4.00.0100.07015.85
5.3.290.0170.06714.73
5.3.280.0030.05714.71
5.3.270.0030.07014.65
5.3.260.0130.06714.57
5.3.250.0070.07714.68
5.3.240.0030.07014.61
5.3.230.0100.07714.59
5.3.220.0030.07714.57
5.3.210.0170.06314.70
5.3.200.0070.07014.53
5.3.190.0130.07014.61
5.3.180.0070.06014.64
5.3.170.0100.07314.50
5.3.160.0000.08714.57
5.3.150.0070.07714.50
5.3.140.0070.07014.52
5.3.130.0100.04714.54
5.3.120.0170.05314.68
5.3.110.0070.07314.63
5.3.100.0100.07014.11
5.3.90.0130.06314.05
5.3.80.0170.05714.14
5.3.70.0000.04714.12
5.3.60.0070.07014.13
5.3.50.0030.04013.94
5.3.40.0030.08014.03
5.3.30.0130.07013.94
5.3.20.0030.06313.79
5.3.10.0070.07013.79
5.3.00.0100.06713.79
5.2.170.0070.06013.79
5.2.160.0000.06713.79
5.2.150.0130.05313.79
5.2.140.0030.05013.79
5.2.130.0000.06013.79
5.2.120.0070.03313.79
5.2.110.0070.06013.79
5.2.100.0030.06313.79
5.2.90.0070.05713.79
5.2.80.0100.06013.79
5.2.70.0000.04713.79
5.2.60.0070.05013.79
5.2.50.0070.05313.79
5.2.40.0100.06013.79
5.2.30.0070.03313.79
5.2.20.0100.04713.79
5.2.10.0100.05313.79
5.2.00.0030.05713.79
5.1.60.0070.04313.79
5.1.50.0030.06013.79
5.1.40.0070.04713.79
5.1.30.0000.05313.79
5.1.20.0100.04713.79
5.1.10.0030.06013.79
5.1.00.0070.04313.79
5.0.50.0070.04313.79
5.0.40.0100.04013.79
5.0.30.0030.06013.79
5.0.20.0030.04013.79
5.0.10.0070.04013.79
5.0.00.0000.06313.79
4.4.90.0030.04013.79
4.4.80.0030.03313.79
4.4.70.0070.03013.79
4.4.60.0030.03713.79
4.4.50.0030.03313.79
4.4.40.0000.04313.79
4.4.30.0030.03713.79
4.4.20.0100.01313.79
4.4.10.0030.03313.79
4.4.00.0030.05313.79
4.3.110.0000.03313.79
4.3.100.0070.02713.79
4.3.90.0030.03313.79
4.3.80.0030.05313.79
4.3.70.0030.03313.79
4.3.60.0000.03013.79
4.3.50.0000.02313.79
4.3.40.0030.04313.79
4.3.30.0030.02313.79
4.3.20.0000.03013.79
4.3.10.0000.03013.79
4.3.00.0000.03313.79

preferences:
46.38 ms | 401 KiB | 5 Q