3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Similarity { protected $data = null; protected $distance = null; public function __construct($data, $distance) { $this->data = (string)$data; $this->distance = (int)$distance; } public function checkMatch($search, callable $checker=null, array $args=[], $return=false) { $data = preg_split('/\s+/', strtolower($this->data), -1, PREG_SPLIT_NO_EMPTY); $search = trim(preg_replace('/\s+/', ' ', strtolower($search))); foreach($this->getAssoc($data, substr_count($search, ' ')+1) as $assoc) { foreach($this->getPermutations($assoc) as $ordered) { $ordered = join(' ', $ordered); $result = call_user_func_array($checker, array_merge([$ordered, $search], $args)); if($result<=$this->distance) { return $return?$ordered:true; } } } return $return?null:false; } protected function getPermutations(array $input) { if(count($input)==1) { return [$input]; } $result = []; foreach($input as $key=>$element) { foreach($this->getPermutations(array_diff_key($input, [$key=>0])) as $subarray) { $result[] = array_merge([$element], $subarray); } } return $result; } protected function nextAssoc($assoc) { if(false !== ($pos = strrpos($assoc, '01'))) { $assoc[$pos] = '1'; $assoc[$pos+1] = '0'; return substr($assoc, 0, $pos+2). str_repeat('0', substr_count(substr($assoc, $pos+2), '0')). str_repeat('1', substr_count(substr($assoc, $pos+2), '1')); } return false; } protected function getAssoc(array $data, $count=2) { if(count($data)<$count) { return null; } $assoc = str_repeat('0', count($data)-$count).str_repeat('1', $count); $result = []; do { $result[]=array_intersect_key($data, array_filter(str_split($assoc))); } while($assoc=$this->nextAssoc($assoc)); return $result; } } $data = 'Niels Faurskov'; $search = [ 'Niels Andersen', 'Niels Faurskov', 'Niels Faurskov Andersen', 'Nils Faurskov Andersen', 'Nils Andersen', 'niels faurskov', 'niels Faurskov', 'niffddels Faurskovffre' ]; $checker = new Similarity($data, 2); echo(sprintf('Testing "%s"'.PHP_EOL.PHP_EOL, $data)); foreach($search as $name) { echo(sprintf( 'Name "%s" has %s'.PHP_EOL, $name, ($result=$checker->checkMatch($name, 'levenshtein', [], 1)) ?sprintf('matched with "%s"', $result) :'mismatched' ) ); }

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)
8.3.60.0100.00718.68
8.3.50.0160.00621.27
8.3.40.0070.01419.22
8.3.30.0030.01020.38
8.3.20.0040.00420.34
8.3.10.0060.00322.13
8.3.00.0030.00522.51
8.2.180.0060.01516.88
8.2.170.0150.00422.96
8.2.160.0120.00920.52
8.2.150.0040.00424.18
8.2.140.0070.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00021.00
8.2.110.0070.00319.45
8.2.100.0100.00018.16
8.2.90.0000.00819.21
8.2.80.0050.00317.97
8.2.70.0060.00317.75
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0030.00618.21
8.2.30.0040.00419.36
8.2.20.0080.00017.95
8.2.10.0030.00618.05
8.2.00.0030.00517.81
8.1.280.0040.01825.92
8.1.270.0050.00324.66
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00322.42
8.1.230.0060.00621.02
8.1.220.0040.00418.77
8.1.210.0040.00420.84
8.1.200.0030.00617.72
8.1.190.0040.00417.53
8.1.180.0070.00318.10
8.1.170.0050.00318.89
8.1.160.0000.00718.83
8.1.150.0040.00418.79
8.1.140.0030.00717.70
8.1.130.0030.00517.77
8.1.120.0000.00717.49
8.1.110.0030.00617.68
8.1.100.0000.00817.59
8.1.90.0070.00017.71
8.1.80.0000.00717.67
8.1.70.0000.00717.54
8.1.60.0080.00317.82
8.1.50.0000.00817.64
8.1.40.0080.00017.71
8.1.30.0090.00017.79
8.1.20.0100.00017.82
8.1.10.0080.00017.73
8.1.00.0090.00017.59
8.0.300.0040.00419.90
8.0.290.0060.00317.16
8.0.280.0000.00718.42
8.0.270.0030.00317.32
8.0.260.0030.00317.11
8.0.250.0070.00017.25
8.0.240.0050.00517.20
8.0.230.0030.00517.17
8.0.220.0040.00417.11
8.0.210.0040.00417.18
8.0.200.0030.00317.27
8.0.190.0070.00017.19
8.0.180.0040.00417.17
8.0.170.0050.00317.16
8.0.160.0030.00517.23
8.0.150.0040.00416.99
8.0.140.0050.00216.96
8.0.130.0030.00313.66
8.0.120.0060.00317.10
8.0.110.0000.00817.06
8.0.100.0020.00517.13
8.0.90.0040.00417.13
8.0.80.0110.00717.19
8.0.70.0050.00217.17
8.0.60.0040.00416.98
8.0.50.0000.00816.93
8.0.30.0060.01517.32
8.0.20.0110.00817.40
8.0.10.0000.00717.21
8.0.00.0090.01116.91
7.4.330.0030.00316.86
7.4.320.0060.00316.74
7.4.300.0040.00416.78
7.4.290.0000.00716.74
7.4.280.0040.00416.84
7.4.270.0040.00416.66
7.4.260.0030.00313.52
7.4.250.0040.00416.77
7.4.240.0020.00516.78
7.4.230.0050.00216.60
7.4.220.0070.01116.86
7.4.210.0060.01016.83
7.4.200.0040.00416.82
7.4.190.0000.00816.84
7.4.160.0030.01316.68
7.4.150.0070.01117.40
7.4.140.0100.01017.86
7.4.130.0110.00716.75
7.4.120.0080.00916.84
7.4.110.0120.00616.93
7.4.100.0160.00316.84
7.4.90.0140.00416.75
7.4.80.0060.01219.39
7.4.70.0090.00916.86
7.4.60.0070.01016.64
7.4.50.0040.00416.65
7.4.40.0160.00322.77
7.4.30.0160.00816.88
7.4.10.0090.00615.12
7.4.00.0080.00815.18
7.3.330.0000.00513.49
7.3.320.0030.00313.47
7.3.310.0050.00216.75
7.3.300.0030.00516.69
7.3.290.0140.00016.63
7.3.280.0060.01016.57
7.3.270.0040.01517.40
7.3.260.0090.01216.89
7.3.250.0090.01116.85
7.3.240.0060.01216.63
7.3.230.0080.00816.80
7.3.210.0070.01616.94
7.3.200.0170.00619.39
7.3.190.0030.01316.73
7.3.180.0170.00016.70
7.3.170.0080.00816.83
7.3.160.0100.00716.76
7.3.130.0100.00715.20
7.3.120.0070.01015.09
7.3.110.0080.01215.07
7.3.100.0070.00715.13
7.3.90.0070.00715.13
7.3.80.0040.00814.85
7.3.70.0030.01014.83
7.3.60.0060.00615.24
7.3.50.0030.01014.91
7.3.40.0050.00514.84
7.3.30.0120.00615.00
7.3.20.0060.00716.62
7.3.10.0040.01516.89
7.3.00.0080.01317.00
7.2.330.0110.00816.88
7.2.320.0000.02016.90
7.2.310.0130.00616.93
7.2.300.0090.00917.04
7.2.290.0090.00917.05
7.2.260.0030.01015.28
7.2.250.0030.01615.48
7.2.240.0090.00615.36
7.2.230.0120.00415.28
7.2.220.0090.00615.36
7.2.210.0120.00015.04
7.2.200.0030.00715.48
7.2.190.0000.01415.33
7.2.180.0090.00615.48
7.2.170.0060.00915.25
7.2.160.0150.00015.31
7.2.150.0070.00317.09
7.2.140.0080.00517.11
7.2.130.0060.00917.26
7.2.120.0110.01117.17
7.2.110.0070.01017.02
7.2.100.0120.00317.14
7.2.90.0090.00917.13
7.2.80.0000.01317.23
7.2.70.0030.01417.14
7.2.60.0070.00717.07
7.2.50.0090.00917.11
7.2.40.0030.00916.99
7.2.30.0040.01117.09
7.2.20.0030.00617.07
7.2.10.0030.01017.32
7.2.00.0030.01317.20
7.1.330.0030.01015.87
7.1.320.0030.00615.92
7.1.310.0090.00616.23
7.1.300.0030.00915.68
7.1.290.0050.00515.87
7.1.280.0000.01515.97
7.1.270.0000.01815.98
7.1.260.0090.00615.70
7.1.250.0040.01216.09
7.1.240.0060.01315.77
7.1.230.0080.00316.00
7.1.220.0070.00715.86
7.1.210.0080.00415.85
7.1.200.0090.00615.99
7.1.190.0040.01116.00
7.1.180.0040.01416.20
7.1.170.0090.00616.13
7.1.160.0060.00616.05
7.1.150.0030.00716.01
7.1.140.0060.00916.02
7.1.130.0110.00315.82
7.1.120.0040.00415.96
7.1.110.0030.01216.09
7.1.100.0060.00316.20
7.1.90.0030.00915.98
7.1.80.0100.00316.04
7.1.70.0060.00616.71
7.1.60.0070.01017.43
7.1.50.0050.01216.27
7.1.40.0000.01315.95
7.1.30.0060.00915.98
7.1.20.0030.01315.97
7.1.10.0030.00615.72
7.1.00.0050.02019.14
7.0.330.0030.00915.66
7.0.320.0090.00615.63
7.0.310.0070.00715.73
7.0.300.0040.00715.58
7.0.290.0140.00015.64
7.0.280.0080.00815.64
7.0.270.0040.00815.57
7.0.260.0040.00815.57
7.0.250.0060.00315.66
7.0.240.0080.00415.29
7.0.230.0100.00315.63
7.0.220.0030.01015.71
7.0.210.0060.00315.36
7.0.200.0040.00716.18
7.0.190.0070.00415.38
7.0.180.0070.00715.69
7.0.170.0060.00915.70
7.0.160.0000.01015.63
7.0.150.0060.00615.71
7.0.140.0060.04018.76
7.0.130.0000.01115.64
7.0.120.0070.00715.76
7.0.110.0060.01015.71
7.0.100.0000.01915.54
7.0.90.0000.01215.46
7.0.80.0350.04117.71
7.0.70.0350.04117.93
7.0.60.0250.02517.91
7.0.50.0400.03618.02
7.0.40.0120.03916.76
7.0.30.0080.04216.99
7.0.20.0050.03516.79
7.0.10.0050.02716.81
7.0.00.0020.05016.89
5.6.400.0030.01014.50
5.6.390.0130.00314.73
5.6.380.0060.00914.34
5.6.370.0040.00814.48
5.6.360.0070.00714.85
5.6.350.0040.00414.45
5.6.340.0000.01014.63
5.6.330.0040.00814.77
5.6.320.0070.00314.73
5.6.310.0080.00614.86
5.6.300.0080.00814.11
5.6.290.0060.00914.84
5.6.280.0020.04417.88
5.6.270.0110.00314.85
5.6.260.0110.01114.69
5.6.250.0090.00314.46
5.6.240.0070.00714.63
5.6.230.0080.04717.71
5.6.220.0080.04117.49
5.6.210.0000.03017.62
5.6.200.0110.02817.90
5.6.190.0050.04317.87
5.6.180.0080.04717.72
5.6.170.0050.04817.73
5.6.160.0070.04217.63
5.6.150.0150.03617.74
5.6.140.0050.04717.80
5.6.130.0090.04217.80
5.6.120.0130.04017.92
5.6.110.0070.04517.94
5.6.100.0030.05217.72
5.6.90.0060.04617.81
5.6.80.0070.04517.40
5.6.70.0030.03717.47
5.6.60.0080.03017.28
5.6.50.0070.04917.40
5.6.40.0050.02717.39
5.6.30.0070.02917.45
5.6.20.0070.04217.57
5.6.10.0080.03017.50
5.6.00.0070.02317.46
5.5.380.0070.00714.31
5.5.370.0090.04217.44
5.5.360.0040.03417.43
5.5.350.0050.03317.49
5.5.340.0120.03317.66
5.5.330.0110.03217.62
5.5.320.0110.03617.63
5.5.310.0100.02317.58
5.5.300.0070.04717.62
5.5.290.0130.02517.51
5.5.280.0050.04217.59
5.5.270.0090.04617.73
5.5.260.0080.03317.76
5.5.250.0080.03217.47
5.5.240.0110.03817.32
5.5.230.0090.04417.40
5.5.220.0060.02617.32
5.5.210.0060.02817.26
5.5.200.0070.04617.28
5.5.190.0080.02517.39
5.5.180.0070.04017.17
5.5.170.0040.01214.59
5.5.160.0050.03717.32
5.5.150.0060.04617.29
5.5.140.0050.04417.27
5.5.130.0110.04017.37
5.5.120.0030.03017.30
5.5.110.0070.03917.21
5.5.100.0110.03817.21
5.5.90.0160.03717.36
5.5.80.0050.04617.29
5.5.70.0100.04317.28
5.5.60.0080.03717.34
5.5.50.0130.03717.22
5.5.40.0070.02817.10
5.5.30.0120.03017.14
5.5.20.0110.02417.36
5.5.10.0080.04117.17
5.5.00.0100.04117.15
5.4.450.0100.04315.44
5.4.440.0050.04815.21
5.4.430.0110.04215.09
5.4.420.0120.03915.20
5.4.410.0050.02515.34
5.4.400.0160.03314.86
5.4.390.0030.03115.23
5.4.380.0080.03715.13
5.4.370.0050.02615.10
5.4.360.0020.03615.14
5.4.350.0100.02815.12
5.4.340.0060.03515.12
5.4.330.0050.00511.21
5.4.320.0050.03914.94
5.4.310.0080.04014.76
5.4.300.0050.03014.99
5.4.290.0080.04015.20
5.4.280.0070.03915.16
5.4.270.0050.02715.07
5.4.260.0080.03014.88
5.4.250.0050.04415.00
5.4.240.0060.04315.08
5.4.230.0050.04715.02
5.4.220.0080.03915.05
5.4.210.0070.03215.02
5.4.200.0040.02415.04
5.4.190.0040.04514.99
5.4.180.0050.04614.95
5.4.170.0100.03714.98
5.4.160.0080.03215.07
5.4.150.0120.04015.03
5.4.140.0070.04213.73
5.4.130.0110.03513.56
5.4.120.0070.04213.60
5.4.110.0100.03713.65
5.4.100.0100.01713.61
5.4.90.0070.03013.78
5.4.80.0120.03913.64
5.4.70.0080.03313.55
5.4.60.0050.04013.56
5.4.50.0050.04013.62
5.4.40.0120.03613.80
5.4.30.0050.04213.76
5.4.20.0070.04013.69
5.4.10.0060.04313.83
5.4.00.0050.04313.50
5.3.290.0080.03612.46
5.3.280.0070.03212.43
5.3.270.0070.03812.45
5.3.260.0020.04312.54
5.3.250.0050.04212.43
5.3.240.0080.03112.51
5.3.230.0030.04312.43
5.3.220.0050.04012.43
5.3.210.0030.02712.51
5.3.200.0050.02812.49
5.3.190.0050.04012.46
5.3.180.0080.03612.54
5.3.170.0080.03712.45
5.3.160.0110.03312.49
5.3.150.0100.03812.49
5.3.140.0070.03812.45
5.3.130.0050.04212.49
5.3.120.0120.03312.43
5.3.110.0050.03712.47
5.3.100.0030.02812.22
5.3.90.0070.03812.22
5.3.80.0030.04012.23
5.3.70.0030.02712.14
5.3.60.0050.04112.12
5.3.50.0070.03812.19
5.3.40.0050.04012.17
5.3.30.0050.03712.13
5.3.20.0030.03911.98
5.3.10.0090.03511.98
5.3.00.0070.03712.00
5.2.170.0070.06011.84
5.2.160.0070.06011.84
5.2.150.0030.06311.84
5.2.140.0070.05311.84
5.2.130.0070.04311.84
5.2.120.0030.05711.84
5.2.110.0070.06011.84
5.2.100.0070.05011.84
5.2.90.0070.03711.84
5.2.80.0070.05711.84
5.2.70.0130.05011.84
5.2.60.0070.03311.84
5.2.50.0130.04711.84
5.2.40.0030.06711.84
5.2.30.0030.06011.84
5.2.20.0070.06311.84
5.2.10.0000.05011.84
5.2.00.0070.05711.84
5.1.60.0000.06011.84
5.1.50.0030.05311.84
5.1.40.0100.04311.84
5.1.30.0000.06011.84
5.1.20.0070.04011.84
5.1.10.0000.06011.84
5.1.00.0030.04311.84
5.0.50.0070.03311.84
5.0.40.0000.03011.84
5.0.30.0070.06311.84
5.0.20.0030.03711.84
5.0.10.0100.03711.84
5.0.00.0030.05711.84
4.4.90.0000.03011.84
4.4.80.0070.03011.84
4.4.70.0030.03711.84
4.4.60.0000.03311.84
4.4.50.0030.03311.84
4.4.40.0000.06011.84
4.4.30.0030.02311.84
4.4.20.0030.03711.84
4.4.10.0000.03011.84
4.4.00.0070.04711.84
4.3.110.0000.03711.84
4.3.100.0000.03711.84
4.3.90.0100.02711.84
4.3.80.0000.05711.84
4.3.70.0030.02711.84
4.3.60.0070.03011.84
4.3.50.0030.03311.84
4.3.40.0000.05311.84
4.3.30.0070.02011.84
4.3.20.0000.02711.84
4.3.10.0030.02711.84
4.3.00.0070.03011.84

preferences:
38.14 ms | 401 KiB | 5 Q