3v4l.org

run code in 300+ PHP versions simultaneously
<?php //http://stackoverflow.com/questions/653157/a-better-similarity-ranking-algorithm-for-variable-length-strings class StringMatch{ public static function compare($a, $b){ $pairsA = self::wordLetterPairs($a); $pairsB = self::wordLetterPairs($b); $union = count($pairsA) + count($pairsB); $intersect = count(array_intersect($pairsA, $pairsB)); return 2*$intersect/$union; } public static function letterPairs($str){ $pairCount = strlen($str)-1; //don't compute every time in if $pairs = array(); for($i = 0; $i < $pairCount; $i++){ $pairs[] = substr($str, $i, 2); } return $pairs; } public static function wordLetterPairs($str){ $allPairs = array(); $str = explode(" ", $str); //get pairs in each word foreach($str as $w){ $pairs = self::letterPairs($w); //make sure, no doubled pairs are included foreach($pairs as $p){ $allPairs[$p] = $p; } } return array_values($allPairs); } } var_dump(StringMatch::compare("GutenTag Frau Fickerin", "Ficker Herr GutenTag"));

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)
8.3.60.0140.00718.31
8.3.50.0100.01022.12
8.3.40.0100.01018.80
8.3.30.0110.00319.21
8.3.20.0040.00420.16
8.3.10.0040.00421.85
8.3.00.0080.00019.38
8.2.180.0150.00318.03
8.2.170.0070.01122.96
8.2.160.0030.01020.23
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0110.00326.16
8.2.120.0080.00019.49
8.2.110.0040.00421.12
8.2.100.0060.00617.63
8.2.90.0040.00419.36
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0080.00018.22
8.2.30.0040.00418.07
8.2.20.0000.00817.72
8.2.10.0080.00018.14
8.2.00.0080.00017.71
8.1.280.0110.00425.92
8.1.270.0040.00418.88
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0100.01022.14
8.1.230.0040.00717.48
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00420.38
8.1.160.0000.00722.11
8.1.150.0080.00018.84
8.1.140.0060.00317.48
8.1.130.0050.00317.86
8.1.120.0070.00317.43
8.1.110.0000.00817.44
8.1.100.0000.00717.48
8.1.90.0040.00417.38
8.1.80.0040.00417.48
8.1.70.0040.00417.45
8.1.60.0060.00317.62
8.1.50.0080.00017.60
8.1.40.0030.00517.43
8.1.30.0030.00517.66
8.1.20.0050.00217.62
8.1.10.0040.00417.56
8.1.00.0030.00617.56
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.55
8.0.270.0030.00317.29
8.0.260.0000.00617.27
8.0.250.0000.00717.02
8.0.240.0000.00617.03
8.0.230.0040.00416.97
8.0.220.0030.00316.90
8.0.210.0040.00416.99
8.0.200.0000.00716.92
8.0.190.0080.00316.98
8.0.180.0050.00216.95
8.0.170.0030.00616.99
8.0.160.0040.00416.97
8.0.150.0000.00716.85
8.0.140.0000.00816.78
8.0.130.0000.00613.31
8.0.120.0000.00816.87
8.0.110.0000.00716.90
8.0.100.0040.00416.98
8.0.90.0070.00016.91
8.0.80.0060.01616.83
8.0.70.0050.00216.88
8.0.60.0030.00616.80
8.0.50.0030.00516.95
8.0.30.0090.01517.01
8.0.20.0110.00717.40
8.0.10.0040.00417.07
8.0.00.0050.01316.85
7.4.330.0060.00015.20
7.4.320.0000.00716.52
7.4.300.0000.00616.54
7.4.290.0000.00716.52
7.4.280.0050.00716.54
7.4.270.0030.00316.64
7.4.260.0080.00016.56
7.4.250.0070.00016.66
7.4.240.0000.00716.62
7.4.230.0030.00316.37
7.4.220.0150.00316.61
7.4.210.0040.01116.66
7.4.200.0030.00316.61
7.4.160.0100.00616.59
7.4.150.0060.01217.40
7.4.140.0090.01017.86
7.4.130.0060.01216.37
7.4.120.0060.01316.57
7.4.110.0130.01016.61
7.4.100.0110.00716.56
7.4.90.0090.00916.39
7.4.80.0090.00919.39
7.4.70.0110.00616.64
7.4.60.0070.01016.45
7.4.50.0040.00416.50
7.4.40.0090.00916.60
7.4.30.0040.01216.44
7.4.00.0090.00614.95
7.3.330.0040.00313.39
7.3.320.0060.00613.25
7.3.310.0030.00316.21
7.3.300.0030.00316.39
7.3.290.0100.00816.40
7.3.280.0100.00716.42
7.3.270.0160.00017.40
7.3.260.0090.00916.35
7.3.250.0110.00816.58
7.3.240.0130.00816.42
7.3.230.0090.01016.39
7.3.210.0030.01416.58
7.3.200.0160.01019.39
7.3.190.0090.00616.64
7.3.180.0030.01616.46
7.3.170.0110.00616.57
7.3.160.0100.00716.43
7.3.10.0110.00316.23
7.3.00.0200.00316.54
7.2.330.0110.00816.46
7.2.320.0140.00316.56
7.2.310.0060.01616.58
7.2.300.0030.01416.57
7.2.290.0090.00616.80
7.2.130.0100.01316.97
7.2.120.0130.00616.31
7.2.110.0090.00616.50
7.2.100.0090.00916.49
7.2.90.0150.01117.04
7.2.80.0070.01016.39
7.2.70.0100.00616.47
7.2.60.0140.00617.02
7.2.50.0190.00016.27
7.2.40.0070.01116.15
7.2.30.0180.00516.77
7.2.20.0130.00416.35
7.2.10.0120.00616.25
7.2.00.0100.00917.86
7.1.250.0200.00015.15
7.1.200.0080.00815.82
7.1.100.0000.01418.38
7.1.70.0080.00417.33
7.1.60.0070.01719.50
7.1.50.0140.01016.70
7.1.00.0070.07022.30
7.0.200.0700.00714.82
7.0.140.0030.07322.09
7.0.60.0030.06320.03
7.0.50.0070.04017.99
7.0.40.0030.08719.96
7.0.30.0270.03320.34
7.0.20.0270.05320.16
7.0.10.0230.07720.22
7.0.00.0130.08320.22
5.6.280.0000.07720.90
5.6.210.0030.05020.65
5.6.200.0000.08718.14
5.6.190.0130.04320.67
5.6.180.0230.05020.39
5.6.170.0400.05020.48
5.6.160.0070.08320.56
5.6.150.0130.06718.18
5.6.140.0030.06318.14
5.6.130.0070.04018.14
5.6.120.0070.08321.02
5.6.110.0130.08021.12
5.6.100.0130.07721.13
5.6.90.0130.07720.97
5.6.80.0100.06020.41
5.6.70.0230.08020.36
5.5.350.0270.06720.43
5.5.340.0100.03317.97
5.5.330.0070.08320.44
5.5.320.0000.08320.40
5.5.310.0270.07720.26
5.5.300.0100.04317.98
5.5.290.0100.06017.95
5.5.280.0000.04320.81
5.5.270.0100.08320.78
5.5.260.0070.08020.83
5.5.250.0030.08020.80
5.5.240.0200.05720.27
5.4.450.0170.06719.56
5.4.440.0670.06019.47
5.4.430.0700.05319.64
5.4.420.0830.05019.38
5.4.410.0130.05318.81
5.4.400.0930.05718.85
5.4.390.0930.06018.70
5.4.380.1000.06018.82
5.4.370.1030.05718.70
5.4.360.1070.05718.78
5.4.350.1030.05718.70
5.4.340.1200.05718.79
5.4.320.1130.05718.75
5.4.310.0970.06018.84
5.4.300.1230.06018.58
5.4.290.1070.07718.71
5.4.280.1230.06718.62
5.4.270.1000.05718.50
5.4.260.1200.06718.72
5.4.250.1070.06318.47
5.4.240.1270.06318.50
5.4.230.0900.06018.71
5.4.220.1000.05718.71
5.4.210.1030.05718.60
5.4.200.1200.05016.57
5.4.190.1130.05318.76
5.4.180.1000.06018.70
5.4.170.0970.05718.75
5.4.160.1000.06018.49
5.4.150.0800.05718.45
5.4.140.1000.05016.30
5.4.130.1070.04016.35
5.4.120.0970.05316.27
5.4.110.0870.05716.27
5.4.100.0970.05316.45
5.4.90.1100.05016.24
5.4.80.1100.05016.30
5.4.70.1230.05316.16
5.4.60.1230.05016.39
5.4.50.1130.05016.29
5.4.40.1230.05316.39
5.4.30.1200.05716.30
5.4.20.1230.05316.28
5.4.10.0830.06316.16
5.4.00.0970.05015.75
5.3.290.0070.05714.83
5.3.280.0100.06014.63
5.3.270.0070.06014.77
5.3.260.0670.06014.62
5.3.250.1730.03714.82
5.3.240.0930.05714.75
5.3.230.1070.05014.71
5.3.220.1270.05314.79
5.3.210.1300.06014.60
5.3.200.1230.05314.76
5.3.190.1270.06314.68
5.3.180.1000.06014.59
5.3.170.1430.06314.60
5.3.160.1400.06014.70
5.3.150.1100.05314.70
5.3.140.1070.04714.60
5.3.130.0970.05714.54
5.3.120.1200.05314.60
5.3.110.1230.07314.71
5.3.100.1200.05014.20
5.3.90.0870.05314.16
5.3.80.0970.05314.13
5.3.70.1030.04714.15
5.3.60.0870.06014.10
5.3.50.1030.04713.99
5.3.40.0930.05314.16
5.3.30.0830.06013.94
5.3.20.1100.05013.91
5.3.10.1230.04013.70
5.3.00.1130.05313.64
5.2.170.0830.04311.17
5.2.160.0870.03711.16
5.2.150.0830.04311.17
5.2.140.0970.04011.23
5.2.130.0770.04711.16
5.2.120.0730.04311.11
5.2.110.0270.05311.16
5.2.100.0370.04011.33
5.2.90.0300.05311.15
5.2.80.0200.05011.23
5.2.70.0230.04711.23
5.2.60.0200.04311.16
5.2.50.0300.05311.07
5.2.40.0300.03711.10
5.2.30.0230.05011.19
5.2.20.0270.03311.01
5.2.10.0300.03711.09
5.2.00.0370.04710.75
5.1.60.0200.03710.05
5.1.50.0200.03710.19
5.1.40.0130.04010.04
5.1.30.0230.03010.44
5.1.20.0200.04310.44
5.1.10.0300.03710.13
5.1.00.0230.05010.09
5.0.50.0330.0278.61
5.0.40.0130.0278.44
5.0.30.0130.0438.29
5.0.20.0200.0208.28
5.0.10.0200.0238.38
5.0.00.0070.0478.28
4.4.90.0170.0205.89
4.4.80.0230.0135.86
4.4.70.0130.0275.85
4.4.60.0130.0335.87
4.4.50.0100.0235.88
4.4.40.0170.0375.91
4.4.30.0170.0235.87
4.4.20.0000.0335.99
4.4.10.0170.0305.95
4.4.00.0070.0475.94
4.3.110.0070.0335.85
4.3.100.0170.0175.82
4.3.90.0100.0235.79
4.3.80.0100.0335.80
4.3.70.0030.0335.87
4.3.60.0100.0335.77
4.3.50.0100.0235.91
4.3.40.0070.0405.78
4.3.30.0070.0274.63
4.3.20.0100.0304.61
4.3.10.0100.0274.49
4.3.00.0130.0236.63

preferences:
55.58 ms | 401 KiB | 5 Q