3v4l.org

run code in 300+ PHP versions simultaneously
<?php function utf8_scrub($str, $substitute = 0x3013) { $substitute = hex2bin($substitute); $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)
8.3.60.0110.00418.68
8.3.50.0120.00921.14
8.3.40.0110.00719.01
8.3.30.0140.00020.31
8.3.20.0000.00820.29
8.3.10.0080.00021.04
8.3.00.0080.00022.45
8.2.180.0070.01516.88
8.2.170.0150.00322.96
8.2.160.0190.00022.20
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0080.00021.11
8.2.110.0060.00319.24
8.2.100.0110.00018.03
8.2.90.0040.00419.35
8.2.80.0000.00817.97
8.2.70.0030.00617.88
8.2.60.0040.00418.03
8.2.50.0000.00818.07
8.2.40.0080.00018.28
8.2.30.0040.00419.46
8.2.20.0080.00017.91
8.2.10.0080.00018.00
8.2.00.0050.00317.97
8.1.280.0130.01025.92
8.1.270.0060.00323.99
8.1.260.0000.00826.35
8.1.250.0000.00928.09
8.1.240.0100.00022.59
8.1.230.0040.00720.74
8.1.220.0040.00418.77
8.1.210.0040.00420.58
8.1.200.0090.00017.35
8.1.190.0050.00317.51
8.1.180.0110.00018.10
8.1.170.0030.00618.43
8.1.160.0030.00518.93
8.1.150.0000.00718.74
8.1.140.0000.00717.68
8.1.130.0050.00517.87
8.1.120.0000.00817.70
8.1.110.0040.00417.64
8.1.100.0040.00417.67
8.1.90.0000.00717.64
8.1.80.0080.00017.54
8.1.70.0000.00717.53
8.1.60.0060.00317.78
8.1.50.0040.00417.68
8.1.40.0060.00317.61
8.1.30.0040.00417.80
8.1.20.0000.00817.87
8.1.10.0050.00317.82
8.1.00.0050.00317.66
8.0.300.0050.00319.91
8.0.290.0050.00217.04
8.0.280.0040.00418.36
8.0.270.0070.00017.33
8.0.260.0000.00817.04
8.0.250.0030.00317.18
8.0.240.0080.00017.09
8.0.230.0000.00817.08
8.0.220.0000.00717.00
8.0.210.0000.00717.10
8.0.200.0040.00417.14
8.0.190.0020.00517.19
8.0.180.0000.00717.21
8.0.170.0030.00517.14
8.0.160.0000.00817.00
8.0.150.0050.00217.11
8.0.140.0040.00417.07
8.0.130.0030.00313.50
8.0.120.0060.00316.96
8.0.110.0040.00417.13
8.0.100.0050.00216.93
8.0.90.0000.00816.95
8.0.80.0060.01517.10
8.0.70.0040.00417.11
8.0.60.0060.00316.92
8.0.50.0040.00417.14
8.0.30.0110.00817.37
8.0.20.0110.01117.43
8.0.10.0030.00517.11
8.0.00.0110.00916.95
7.4.330.0060.00016.82
7.4.320.0030.00316.73
7.4.300.0070.00016.71
7.4.290.0030.00316.77
7.4.280.0040.00416.86
7.4.270.0000.00816.83
7.4.260.0030.00313.61
7.4.250.0000.00816.80
7.4.240.0020.00616.68
7.4.230.0070.00016.91
7.4.220.0060.01116.79
7.4.210.0100.00716.79
7.4.200.0030.00516.93
7.4.190.0000.00716.92
7.4.160.0190.00616.85
7.4.150.0070.01117.40
7.4.140.0130.01017.86
7.4.130.0090.00916.84
7.4.120.0090.00716.75
7.4.110.0040.01416.84
7.4.100.0160.00316.85
7.4.90.0140.01116.68
7.4.80.0060.01219.39
7.4.70.0060.01516.94
7.4.60.0060.01216.81
7.4.50.0050.00016.79
7.4.40.0120.00322.77
7.4.30.0100.00716.84
7.4.00.0030.01114.91
7.3.330.0000.00513.53
7.3.320.0030.00313.43
7.3.310.0080.00016.62
7.3.300.0000.00716.56
7.3.290.0070.00716.52
7.3.280.0100.00916.52
7.3.270.0040.01517.40
7.3.260.0070.01318.24
7.3.250.0100.00916.68
7.3.240.0130.00716.66
7.3.230.0120.00616.59
7.3.210.0150.00316.65
7.3.200.0100.01319.39
7.3.190.0090.01316.54
7.3.180.0110.00616.84
7.3.170.0030.01316.75
7.3.160.0110.00516.67
7.3.120.0090.00615.25
7.2.330.0060.01316.89
7.2.320.0140.01016.70
7.2.310.0060.01317.02
7.2.300.0100.00716.70
7.2.290.0170.00716.88
7.2.60.0060.00617.19
7.2.00.0070.01419.73
7.1.200.0100.00315.93
7.1.70.0050.00517.41
7.1.60.0120.00017.59
7.1.50.0100.01317.20
7.1.00.0000.05022.57
7.0.200.0070.01017.03
7.0.140.0070.06722.15
7.0.80.0100.08320.20
7.0.70.0170.08019.97
7.0.60.0370.09020.11
7.0.50.0030.04720.18
7.0.40.0070.06019.95
7.0.30.0130.03320.18
7.0.20.0070.04020.05
7.0.10.0000.04020.03
7.0.00.0130.07020.14
5.6.280.0100.06720.86
5.6.230.0100.06720.60
5.6.220.0270.04720.67
5.6.210.0030.04320.78
5.6.200.0070.04321.12
5.6.190.0030.07321.07
5.6.180.0030.05021.06
5.6.170.0070.04021.10
5.6.160.0170.04320.98
5.6.150.0030.03721.13
5.6.140.0170.06321.07
5.6.130.0200.03321.03
5.6.120.0030.06321.02
5.6.110.0030.04321.13
5.6.100.0030.04720.93
5.6.90.0030.04321.08
5.6.80.0070.03720.53
5.6.70.0030.04720.33
5.6.60.0030.04020.46
5.6.50.0070.03720.41
5.6.40.0070.06020.36
5.6.30.0030.04320.50
5.6.20.0000.03720.40
5.6.10.0100.02720.41
5.6.00.0100.03320.52
5.5.370.0130.06720.58
5.5.360.0070.07020.39
5.5.350.0070.07720.40
5.5.340.0030.04320.84
5.5.330.0000.05320.85
5.5.320.0130.03720.85
5.5.310.0030.04020.78
5.5.300.0000.06720.92
5.5.290.0030.04020.84
5.5.280.0100.05320.78
5.5.270.0070.04020.88
5.5.260.0030.04320.61
5.5.250.0030.04720.65
5.5.240.0030.05020.23
5.5.230.0030.05720.16
5.5.220.0070.05720.10
5.5.210.0030.04320.19
5.5.200.0000.04320.13
5.5.190.0000.06020.22
5.5.180.0070.04020.21
5.5.160.0030.04020.12
5.5.150.0030.03320.23
5.5.140.0030.07020.23
5.5.130.0100.03020.00
5.5.120.0070.03020.18
5.5.110.0100.07020.18
5.5.100.0070.05720.11
5.5.90.0070.07320.10
5.5.80.0100.04320.05
5.5.70.0070.03720.09
5.5.60.0100.07020.07
5.5.50.0130.05720.01
5.5.40.0100.06719.97
5.5.30.0170.06320.09
5.5.20.0070.07020.06
5.5.10.0030.06720.01
5.5.00.0070.06320.06
5.4.450.0000.04319.50
5.4.440.0030.05019.23
5.4.430.0100.03319.46
5.4.420.0000.05319.35
5.4.410.0030.04019.07
5.4.400.0000.05018.95
5.4.390.0030.04019.10
5.4.380.0030.03718.90
5.4.370.0030.03719.09
5.4.360.0070.03718.95
5.4.350.0000.04018.90
5.4.340.0030.07318.87
5.4.320.0030.03718.91
5.4.310.0100.04318.90
5.4.300.0070.05718.84
5.4.290.0030.03319.22
5.4.280.0030.04019.21
5.4.270.0000.04019.18
5.4.260.0030.03719.23
5.4.250.0000.07019.20
5.4.240.0030.04019.02
5.4.230.0070.08319.12
5.4.220.0000.07018.87
5.4.210.0100.07318.89
5.4.200.0070.07719.20
5.4.190.0100.07319.15
5.4.180.0170.06719.20
5.4.170.0030.07318.94
5.4.160.0030.06319.01
5.4.150.0100.07018.86
5.4.140.0130.06716.47
5.4.130.0070.07016.45
5.4.120.0100.06316.55
5.4.110.0130.06016.55
5.4.100.0100.07016.54
5.4.90.0130.05716.38
5.4.80.0030.07016.47
5.4.70.0070.07316.51
5.4.60.0070.03716.48
5.4.50.0030.07016.41
5.4.40.0130.06716.52
5.4.30.0170.06316.31
5.4.20.0030.05316.24
5.4.10.0030.05316.48
5.4.00.0030.06715.89
5.3.290.0030.03714.73
5.3.280.0000.08014.63
5.3.270.0030.05314.66
5.3.260.0170.07014.68
5.3.250.0070.03714.70
5.3.240.0070.07314.66
5.3.230.0130.05714.74
5.3.220.0000.05314.59
5.3.210.0100.06314.68
5.3.200.0030.05314.64
5.3.190.0070.08314.59
5.3.180.0100.07314.66
5.3.170.0030.07714.62
5.3.160.0070.08014.66
5.3.150.0100.07314.59
5.3.140.0130.07014.48
5.3.130.0130.06314.51
5.3.120.0030.05314.61
5.3.110.0100.07714.49
5.3.100.0070.05314.10
5.3.90.0030.04714.05
5.3.80.0030.07714.14
5.3.70.0200.04314.00
5.3.60.0100.06713.93
5.3.50.0030.08013.88
5.3.40.0100.07313.99
5.3.30.0130.06013.93
5.3.20.0030.05713.82
5.3.10.0100.08013.55
5.3.00.0030.07013.69
5.2.170.0130.03312.34
5.2.160.0170.04712.34
5.2.150.0030.07312.34
5.2.140.0030.05712.34
5.2.130.0030.03312.34
5.2.120.0030.03012.34
5.2.110.0070.05712.34
5.2.100.0100.03312.34
5.2.90.0100.02712.34
5.2.80.0000.06712.34
5.2.70.0170.05312.34
5.2.60.0070.04312.34
5.2.50.0070.05712.34
5.2.40.0070.03712.34
5.2.30.0000.03712.34
5.2.20.0000.03712.34
5.2.10.0030.06012.34
5.2.00.0100.05312.34
5.1.60.0070.02712.34
5.1.50.0100.05012.34
5.1.40.0100.04712.34
5.1.30.0070.05312.34
5.1.20.0030.03012.34
5.1.10.0100.04012.34
5.1.00.0130.03712.34
5.0.50.0030.02312.34
5.0.40.0000.03312.34
5.0.30.0000.06312.34
5.0.20.0000.03312.34
5.0.10.0070.04312.34
5.0.00.0070.04712.34
4.4.90.0070.03012.34
4.4.80.0030.02712.34
4.4.70.0000.03712.34
4.4.60.0000.03712.34
4.4.50.0070.01712.34
4.4.40.0070.05012.34
4.4.30.0000.03012.34
4.4.20.0070.03312.34
4.4.10.0000.03012.34
4.4.00.0000.05312.34
4.3.110.0030.03312.34
4.3.100.0070.03312.34
4.3.90.0030.02712.34
4.3.80.0000.03312.34
4.3.70.0000.03712.34
4.3.60.0070.03012.34
4.3.50.0070.01712.34
4.3.40.0030.04012.34
4.3.30.0000.02012.34
4.3.20.0000.03712.34
4.3.10.0030.02712.34
4.3.00.0030.03312.34

preferences:
44.02 ms | 401 KiB | 5 Q