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 Andersen'; $search = [ 'Niels Andersen', 'Niels Faurskov', 'Niels Faurskov Andersen', 'Nils Faurskov Andersen', 'Nils Andersen', 'niels faurskov', 'niels Faurskov', 'niffddels Faurskov' ]; $checker = new Similarity($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)
8.3.60.0140.00418.43
8.3.50.0210.01021.33
8.3.40.0080.00819.04
8.3.30.0070.00720.31
8.3.20.0040.00420.21
8.3.10.0080.00021.96
8.3.00.0040.00422.52
8.2.180.0090.00616.75
8.2.170.0120.00322.96
8.2.160.0100.00322.12
8.2.150.0050.00524.18
8.2.140.0030.00624.66
8.2.130.0070.01126.16
8.2.120.0000.00820.82
8.2.110.0060.00320.35
8.2.100.0040.00718.16
8.2.90.0040.00419.33
8.2.80.0030.00517.97
8.2.70.0000.00817.88
8.2.60.0060.00319.90
8.2.50.0080.00018.10
8.2.40.0000.00920.52
8.2.30.0040.00419.50
8.2.20.0080.00017.83
8.2.10.0040.00417.92
8.2.00.0030.00617.90
8.1.280.0180.00425.92
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.29
8.1.230.0000.01118.08
8.1.220.0050.00517.79
8.1.210.0000.00818.77
8.1.200.0000.01017.61
8.1.190.0080.00017.48
8.1.180.0060.00318.10
8.1.170.0030.00518.89
8.1.160.0000.00822.24
8.1.150.0000.01218.83
8.1.140.0000.00817.69
8.1.130.0040.00417.84
8.1.120.0040.00417.65
8.1.110.0050.00317.54
8.1.100.0030.00617.63
8.1.90.0000.00717.65
8.1.80.0040.00417.68
8.1.70.0000.00717.64
8.1.60.0090.00017.72
8.1.50.0080.00017.68
8.1.40.0040.00417.77
8.1.30.0000.00817.86
8.1.20.0040.00417.85
8.1.10.0000.00817.73
8.1.00.0030.00717.73
8.0.300.0040.00418.77
8.0.290.0000.00817.00
8.0.280.0040.00418.47
8.0.270.0040.00417.38
8.0.260.0000.00718.50
8.0.250.0030.00317.02
8.0.240.0060.00317.14
8.0.230.0040.00417.20
8.0.220.0000.00716.95
8.0.210.0070.00017.07
8.0.200.0080.00017.13
8.0.190.0030.00617.14
8.0.180.0070.00017.13
8.0.170.0000.00817.03
8.0.160.0000.00717.05
8.0.150.0000.00717.11
8.0.140.0040.00417.04
8.0.130.0000.01013.55
8.0.120.0080.00017.02
8.0.110.0060.00316.96
8.0.100.0040.00417.14
8.0.90.0040.00417.08
8.0.80.0090.00617.01
8.0.70.0030.00517.02
8.0.60.0040.00417.03
8.0.50.0050.00317.09
8.0.30.0080.01117.49
8.0.20.0100.01017.40
8.0.10.0040.00417.16
8.0.00.0130.01017.14
7.4.330.0040.00415.00
7.4.320.0000.00716.76
7.4.300.0060.00016.82
7.4.290.0040.00416.75
7.4.280.0040.00416.84
7.4.270.0000.00716.84
7.4.260.0050.00013.56
7.4.250.0080.00016.80
7.4.240.0020.00516.77
7.4.230.0000.00816.64
7.4.220.0120.00916.90
7.4.210.0080.00716.75
7.4.200.0040.00416.66
7.4.190.0000.00716.70
7.4.160.0140.00616.83
7.4.150.0040.01817.40
7.4.140.0130.00817.86
7.4.130.0130.00816.66
7.4.120.0060.01316.77
7.4.110.0090.00916.84
7.4.100.0100.01216.78
7.4.90.0130.00416.66
7.4.80.0150.00619.39
7.4.70.0050.01116.63
7.4.60.0060.01116.74
7.4.50.0060.00316.52
7.4.40.0030.01022.77
7.4.30.0100.00616.72
7.4.00.0070.01015.24
7.3.330.0050.00013.42
7.3.320.0000.00513.36
7.3.310.0000.00816.63
7.3.300.0000.00716.44
7.3.290.0060.00816.57
7.3.280.0090.00716.56
7.3.270.0090.00817.40
7.3.260.0040.01516.68
7.3.250.0100.00816.52
7.3.240.0040.01316.58
7.3.230.0030.01316.54
7.3.210.0100.00716.78
7.3.200.0050.01119.39
7.3.190.0040.01816.43
7.3.180.0150.00616.52
7.3.170.0110.00716.65
7.3.160.0120.00616.66
7.3.120.0050.01115.24
7.3.110.0060.01214.90
7.3.100.0060.00915.09
7.3.90.0090.00614.90
7.3.80.0070.01015.04
7.3.70.0070.00715.09
7.3.60.0110.00715.12
7.3.50.0100.00015.09
7.3.40.0090.00615.06
7.3.30.0030.00714.85
7.3.20.0110.00416.96
7.3.10.0100.00717.00
7.3.00.0060.01216.64
7.2.330.0060.01216.93
7.2.320.0100.00716.88
7.2.310.0130.01116.94
7.2.300.0100.00616.90
7.2.290.0090.01217.00
7.2.250.0070.01315.20
7.2.240.0030.01715.37
7.2.230.0080.00415.01
7.2.220.0070.00715.47
7.2.210.0070.01115.42
7.2.200.0070.01015.30
7.2.190.0030.00615.30
7.2.180.0070.01115.34
7.2.170.0100.00715.47
7.2.60.0090.00617.20
7.2.00.0000.01719.49
7.1.330.0060.00616.27
7.1.320.0030.00715.79
7.1.310.0100.00715.63
7.1.300.0060.00615.73
7.1.290.0070.01016.03
7.1.280.0070.01016.12
7.1.270.0070.00315.92
7.1.260.0040.01415.95
7.1.200.0060.00616.02
7.1.100.0060.00618.30
7.1.70.0000.00817.46
7.1.60.0040.02219.32
7.1.50.0070.01517.27
7.1.00.0000.04722.44
7.0.200.0000.00816.98
7.0.140.0070.06722.20
7.0.100.0070.04019.99
7.0.90.0100.07719.97
7.0.80.0070.08319.90
7.0.70.0070.08320.19
7.0.60.0100.07720.02
7.0.50.0330.08020.42
7.0.40.0100.07020.19
7.0.30.0070.08320.04
7.0.20.0170.07020.02
7.0.10.0130.07720.05
7.0.00.0100.08320.17
5.6.280.0030.07021.15
5.6.250.0170.08020.55
5.6.240.0130.08020.75
5.6.230.0070.05320.68
5.6.220.0030.09020.51
5.6.210.0130.05720.68
5.6.200.0070.08321.07
5.6.190.0200.07021.11
5.6.180.0070.07721.05
5.6.170.0130.07720.98
5.6.160.0030.07321.10
5.6.150.0100.04021.12
5.6.140.0070.07721.08
5.6.130.0070.04021.13
5.6.120.0030.05721.19
5.6.110.0170.07020.96
5.6.100.0130.06321.01
5.6.90.0130.05720.95
5.6.80.0200.07020.42
5.6.70.0130.05020.41
5.6.60.0070.07320.49
5.6.50.0070.08020.58
5.6.40.0030.08020.32
5.6.30.0070.06320.46
5.6.20.0070.07020.41
5.6.10.0070.08020.31
5.6.00.0070.08320.38
5.5.380.0100.07720.42
5.5.370.0070.08020.42
5.5.360.0070.08720.43
5.5.350.0100.07020.49
5.5.340.0070.05020.91
5.5.330.0100.07720.80
5.5.320.0130.08320.85
5.5.310.0070.08320.78
5.5.300.0100.08320.94
5.5.290.0070.07720.84
5.5.280.0030.09020.66
5.5.270.0070.08020.74
5.5.260.0030.05320.75
5.5.250.0030.08020.47
5.5.240.0070.08320.27
5.5.230.0030.09020.27
5.5.220.0170.03720.25
5.5.210.0130.07020.23
5.5.200.0070.07320.25
5.5.190.0130.07320.29
5.5.180.0070.08020.01
5.5.160.0100.07320.21
5.5.150.0130.07020.09
5.5.140.0030.07720.20
5.5.130.0170.07019.97
5.5.120.0070.08320.24
5.5.110.0030.04319.99
5.5.100.0170.07320.09
5.5.90.0130.07020.18
5.5.80.0030.08020.18
5.5.70.0030.07320.05
5.5.60.0070.08020.05
5.5.50.0030.04720.10
5.5.40.0070.04720.01
5.5.30.0000.08020.04
5.5.20.0070.06720.07
5.5.10.0030.04720.05
5.5.00.0100.04020.02
5.4.450.0070.07719.23
5.4.440.0030.07719.36
5.4.430.0170.08319.27
5.4.420.0100.07719.43
5.4.410.0170.07319.07
5.4.400.0070.07718.88
5.4.390.0130.06018.95
5.4.380.0100.07319.21
5.4.370.0070.06019.14
5.4.360.0100.07319.12
5.4.350.0100.07019.14
5.4.340.0170.06719.05
5.4.320.0030.07719.09
5.4.310.0030.04018.94
5.4.300.0100.06719.18
5.4.290.0030.08018.87
5.4.280.0030.08719.04
5.4.270.0130.06319.21
5.4.260.0030.08319.02
5.4.250.0130.07019.09
5.4.240.0130.06719.15
5.4.230.0070.08318.99
5.4.220.0000.08319.06
5.4.210.0070.07318.87
5.4.200.0170.06718.87
5.4.190.0030.07018.88
5.4.180.0070.07018.95
5.4.170.0030.05318.94
5.4.160.0130.04319.07
5.4.150.0170.04018.86
5.4.140.0000.08016.45
5.4.130.0030.07716.35
5.4.120.0070.06716.40
5.4.110.0070.06716.52
5.4.100.0000.05716.52
5.4.90.0130.06316.45
5.4.80.0030.07016.36
5.4.70.0130.06716.28
5.4.60.0070.04016.35
5.4.50.0070.07016.33
5.4.40.0030.07716.36
5.4.30.0100.04016.34
5.4.20.0070.07016.49
5.4.10.0100.05716.41
5.4.00.0070.05715.79
5.3.290.0030.04714.71
5.3.280.0170.04014.54
5.3.270.0100.04014.73
5.3.260.0070.07314.62
5.3.250.0070.08314.75
5.3.240.0130.06714.67
5.3.230.0100.07014.53
5.3.220.0030.07314.63
5.3.210.0030.06314.52
5.3.200.0130.07014.68
5.3.190.0070.06314.49
5.3.180.0100.06714.53
5.3.170.0000.05014.55
5.3.160.0070.05314.66
5.3.150.0070.07714.49
5.3.140.0100.07714.59
5.3.130.0100.06714.53
5.3.120.0200.06714.57
5.3.110.0130.07014.50
5.3.100.0030.07714.07
5.3.90.0070.06714.11
5.3.80.0030.07014.11
5.3.70.0100.06313.91
5.3.60.0000.08014.11
5.3.50.0030.04014.02
5.3.40.0000.04713.87
5.3.30.0030.05713.84
5.3.20.0130.06313.75
5.3.10.0070.06313.80
5.3.00.0070.07713.64
5.2.170.0030.03311.21
5.2.160.0070.06311.18
5.2.150.0030.06311.14
5.2.140.0100.05011.08
5.2.130.0030.06311.11
5.2.120.0070.05311.14
5.2.110.0130.05311.25
5.2.100.0100.06311.22
5.2.90.0030.05311.14
5.2.80.0030.06311.16
5.2.70.0070.04710.98
5.2.60.0070.06010.92
5.2.50.0170.05311.04
5.2.40.0070.05310.99
5.2.30.0070.03010.91
5.2.20.0130.02710.99
5.2.10.0100.05310.89
5.2.00.0070.06010.83
5.1.60.0070.05010.09
5.1.50.0000.03710.11
5.1.40.0000.03710.09
5.1.30.0070.05310.27
5.1.20.0000.06310.42
5.1.10.0030.05710.07
5.1.00.0030.06010.19
5.0.50.0000.0409.11
5.0.40.0100.0379.11
5.0.30.0070.0609.11
5.0.20.0030.0439.11
5.0.10.0030.0409.11
5.0.00.0070.0639.11
4.4.90.0000.0339.11
4.4.80.0000.0379.11
4.4.70.0030.0339.11
4.4.60.0030.0309.11
4.4.50.0000.0339.11
4.4.40.0030.0539.11
4.4.30.0000.0379.11
4.4.20.0030.0339.11
4.4.10.0070.0279.11
4.4.00.0030.0509.11
4.3.110.0030.0339.11
4.3.100.0000.0379.11
4.3.90.0070.0309.11
4.3.80.0030.0379.11
4.3.70.0030.0339.11
4.3.60.0100.0239.11
4.3.50.0030.0339.11
4.3.40.0000.0539.11
4.3.30.0000.0209.11
4.3.20.0000.0339.11
4.3.10.0000.0339.11
4.3.00.0030.0239.11

preferences:
46.97 ms | 401 KiB | 5 Q