3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * マルチバイト文字列、英数字の混じった文字列を1文字ずつ配列に分割 * 参考:http://detail.chiebukuro.yahoo.co.jp/qa/question_detail/q1417635014# * mb_split, str_split, preg_splitことごとく使えない。 */ function mbStringToArray($string, $encoding = 'UTF-8') { $arrayResult = array(); while ($iLen = mb_strlen($string, $encoding)) { array_push($arrayResult, mb_substr($string, 0, 1, $encoding)); $string = mb_substr($string, 1, $iLen, $encoding); } return $arrayResult; } /** * 編集距離(レーベンシュタイン距離)を求める(マルチバイト文字対応) * @param $str1 * @param $str2 * @param $encoding * @param $costReplace * @return 数値(距離),かぶっていた文字の数 */ function LevenshteinDistance($str1, $str2, $costReplace = 2, $encoding = 'UTF-8') { $count_same_letter = 0; $d = array(); $mb_len1 = mb_strlen($str1, $encoding); $mb_len2 = mb_strlen($str2, $encoding); $mb_str1 = mbStringToArray($str1, $encoding); $mb_str2 = mbStringToArray($str2, $encoding); for ($i1 = 0; $i1 <= $mb_len1; $i1++) { $d[$i1] = array(); $d[$i1][0] = $i1; } for ($i2 = 0; $i2 <= $mb_len2; $i2++) { $d[0][$i2] = $i2; } for ($i1 = 1; $i1 <= $mb_len1; $i1++) { for ($i2 = 1; $i2 <= $mb_len2; $i2++) { // $cost = ($str1[$i1 - 1] == $str2[$i2 - 1]) ? 0 : 1; if ($mb_str1[$i1 - 1] === $mb_str2[$i2 - 1]) { $cost = 0; $count_same_letter++; } else { $cost = $costReplace; //置換 } $d[$i1][$i2] = min($d[$i1 - 1][$i2] + 1, //挿入 $d[$i1][$i2 - 1] + 1, //削除 $d[$i1 - 1][$i2 - 1] + $cost); } } //return $d[$mb_len1][$mb_len2]; return array('distance' => $d[$mb_len1][$mb_len2], 'count_same_letter' => $count_same_letter); } echo LevenshteinDistance("aaa","aax"); ?>

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)
8.3.60.0070.01416.75
8.3.50.0120.00321.99
8.3.40.0040.01118.76
8.3.30.0070.00719.04
8.3.20.0080.00020.33
8.3.10.0050.00323.65
8.3.00.0040.00422.44
8.2.180.0100.00616.63
8.2.170.0040.01422.96
8.2.160.0140.00022.20
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00622.11
8.2.110.0070.00321.10
8.2.100.0060.00618.16
8.2.90.0050.00319.17
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0000.00818.05
8.2.50.0000.00818.28
8.2.40.0040.00420.59
8.2.30.0000.00722.14
8.2.20.0050.00317.60
8.2.10.0000.00717.74
8.2.00.0000.00717.75
8.1.280.0060.00925.92
8.1.270.0040.00423.91
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.72
8.1.230.0100.00020.40
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0030.00617.36
8.1.190.0000.00917.22
8.1.180.0030.00718.10
8.1.170.0000.00818.51
8.1.160.0000.00918.74
8.1.150.0000.00720.00
8.1.140.0000.00717.45
8.1.130.0000.00817.83
8.1.120.0000.00817.37
8.1.110.0000.00717.47
8.1.100.0040.00417.45
8.1.90.0000.00917.35
8.1.80.0040.00417.37
8.1.70.0040.00417.33
8.1.60.0040.00417.66
8.1.50.0000.00917.46
8.1.40.0050.00217.59
8.1.30.0040.00417.65
8.1.20.0060.00317.77
8.1.10.0040.00417.68
8.1.00.0000.00717.51
8.0.300.0040.00418.77
8.0.290.0000.00816.88
8.0.280.0040.00418.39
8.0.270.0050.00217.20
8.0.260.0000.00716.83
8.0.250.0000.00717.01
8.0.240.0070.00017.08
8.0.230.0000.00717.04
8.0.220.0000.00816.94
8.0.210.0100.00016.84
8.0.200.0040.00416.89
8.0.190.0000.00816.97
8.0.180.0030.00516.98
8.0.170.0050.00216.98
8.0.160.0000.00716.93
8.0.150.0040.00416.92
8.0.140.0000.00816.94
8.0.130.0000.00613.42
8.0.120.0040.00416.96
8.0.110.0040.00416.95
8.0.100.0080.00016.83
8.0.90.0000.00717.02
8.0.80.0110.00416.94
8.0.70.0070.00016.83
8.0.60.0040.00416.84
8.0.50.0040.00417.07
8.0.30.0120.00617.17
8.0.20.0120.00717.40
8.0.10.0040.00417.08
8.0.00.0090.01116.63
7.4.330.0050.00015.09
7.4.320.0000.00816.50
7.4.300.0030.00316.51
7.4.290.0030.00316.46
7.4.280.0050.00316.36
7.4.270.0030.00516.62
7.4.260.0070.00416.55
7.4.250.0040.00416.58
7.4.240.0040.00416.54
7.4.230.0030.00516.69
7.4.220.0070.01016.49
7.4.210.0060.00916.64
7.4.200.0070.00016.40
7.4.190.0040.00416.38
7.4.160.0120.00316.58
7.4.150.0110.00717.40
7.4.140.0070.01017.86
7.4.130.0160.00416.59
7.4.120.0120.00616.64
7.4.110.0070.01116.50
7.4.100.0100.01016.64
7.4.90.0150.00316.53
7.4.80.0110.01116.56
7.4.70.0120.00616.59
7.4.60.0090.00616.39
7.4.50.0000.00516.46
7.4.40.0070.01122.77
7.4.30.0120.00416.68
7.4.00.0040.01115.01
7.3.330.0020.00213.21
7.3.320.0000.00613.23
7.3.310.0000.00816.49
7.3.300.0070.00016.43
7.3.290.0060.00916.43
7.3.280.0100.00716.43
7.3.270.0080.00817.40
7.3.260.0160.00016.47
7.3.250.0080.01216.47
7.3.240.0120.00916.64
7.3.230.0030.01316.41
7.3.210.0130.00616.52
7.3.200.0090.00919.39
7.3.190.0120.00916.44
7.3.180.0150.00616.56
7.3.170.0040.01216.42
7.3.160.0060.00916.49
7.3.120.0060.01114.76
7.3.110.0090.00914.85
7.3.100.0070.01114.61
7.3.90.0060.01015.11
7.3.80.0090.00914.81
7.3.70.0030.00614.85
7.3.60.0000.01314.76
7.3.50.0090.00614.86
7.3.40.0030.00514.89
7.3.30.0060.00614.95
7.3.20.0100.00016.59
7.3.10.0030.01016.91
7.3.00.0000.00916.69
7.2.330.0080.00816.88
7.2.320.0070.01116.54
7.2.310.0000.01716.60
7.2.300.0000.01616.65
7.2.290.0100.00716.63
7.2.250.0100.00915.21
7.2.240.0130.00315.08
7.2.230.0090.00614.98
7.2.220.0060.00915.00
7.2.210.0130.00715.06
7.2.200.0110.00015.36
7.2.190.0030.00615.21
7.2.180.0030.01015.35
7.2.170.0060.00915.14
7.2.160.0030.00715.02
7.2.150.0030.00917.04
7.2.140.0030.01417.03
7.2.130.0070.00717.04
7.2.120.0060.00617.04
7.2.110.0060.00917.18
7.2.100.0070.01117.04
7.2.90.0090.00916.80
7.2.80.0110.00816.78
7.2.70.0030.01017.23
7.2.60.0070.00616.97
7.2.50.0000.01516.99
7.2.40.0090.00616.86
7.2.30.0060.00616.93
7.2.20.0090.00017.09
7.2.10.0000.01116.81
7.2.00.0070.00716.88
7.1.330.0090.00615.80
7.1.320.0080.00815.65
7.1.310.0070.01315.77
7.1.300.0060.00615.67
7.1.290.0090.00415.84
7.1.280.0090.00615.91
7.1.270.0070.01015.66
7.1.260.0030.00615.77
7.1.250.0090.00915.84
7.1.240.0120.00615.94
7.1.230.0000.01715.84
7.1.220.0080.00615.77
7.1.210.0060.00615.88
7.1.200.0050.00915.68
7.1.190.0080.00315.92
7.1.180.0070.00715.75
7.1.170.0070.00715.59
7.1.160.0040.01115.89
7.1.150.0070.00715.83
7.1.140.0000.00915.88
7.1.130.0070.00415.70
7.1.120.0000.01015.95
7.1.110.0030.01216.00
7.1.100.0040.00716.08
7.1.90.0050.00315.91
7.1.80.0040.00715.70
7.1.70.0030.00616.60
7.1.60.0070.01217.64
7.1.50.0050.01216.26
7.1.40.0060.00615.81
7.1.30.0060.01215.57
7.1.20.0030.00615.71
7.1.10.0060.00615.61
7.1.00.0020.04319.05
7.0.330.0060.00915.63
7.0.320.0070.00715.62
7.0.310.0040.01415.49
7.0.300.0070.00715.44
7.0.290.0040.01115.49
7.0.280.0070.00715.55
7.0.270.0030.00915.46
7.0.260.0070.00715.21
7.0.250.0040.00715.66
7.0.240.0030.00615.55
7.0.230.0070.00315.24
7.0.220.0000.00915.51
7.0.210.0060.00315.59
7.0.200.0030.00716.02
7.0.190.0040.01115.50
7.0.180.0090.00615.43
7.0.170.0090.00315.27
7.0.160.0050.00515.29
7.0.150.0040.00815.29
7.0.140.0020.04518.86
7.0.130.0060.00915.46
7.0.120.0050.00815.64
7.0.110.0030.00915.56
7.0.100.0030.00615.50
7.0.90.0060.00615.35
7.0.80.0030.00615.55
7.0.70.0140.00015.64
7.0.60.0100.03717.87
7.0.50.0030.02716.59
7.0.40.0030.04316.90
7.0.30.0220.03716.97
7.0.20.0190.04916.86
7.0.10.0150.03516.96
7.0.00.0050.05116.91
5.6.400.0110.00314.12
5.6.390.0090.00614.33
5.6.380.0070.00714.47
5.6.370.0040.01414.65
5.6.360.0000.01114.48
5.6.350.0060.00314.55
5.6.340.0030.01314.57
5.6.330.0030.00614.66
5.6.320.0060.00314.29
5.6.310.0060.00614.40
5.6.300.0070.01014.34
5.6.290.0110.00314.87
5.6.280.0000.04117.75
5.6.270.0110.00414.61
5.6.260.0030.01014.52
5.6.250.0040.00714.23
5.6.240.0080.00414.49
5.6.230.0030.01114.42
5.6.220.0070.00714.32
5.6.210.0020.02817.60
5.6.200.0060.04516.22
5.6.190.0040.04217.43
5.6.180.0070.02617.48
5.6.170.0120.04517.47
5.6.160.0070.03317.55
5.6.150.0050.02316.30
5.6.140.0030.03216.22
5.6.130.0050.03716.43
5.6.120.0100.04417.64
5.6.110.0050.05017.78
5.6.100.0050.02517.71
5.6.90.0100.04417.66
5.6.80.0110.03217.47
5.6.70.0180.04517.34
5.6.60.0000.00914.60
5.6.50.0140.00014.27
5.6.40.0100.00314.45
5.6.30.0070.00314.46
5.6.20.0090.00614.28
5.6.10.0090.00914.29
5.6.00.0030.01314.70
5.5.380.0080.00814.16
5.5.370.0030.01214.35
5.5.360.0040.00414.21
5.5.350.0030.02517.54
5.5.340.0090.01916.26
5.5.330.0030.03017.31
5.5.320.0060.04517.48
5.5.310.0100.04417.44
5.5.300.0080.04216.18
5.5.290.0070.04716.15
5.5.280.0080.04317.58
5.5.270.0030.02717.63
5.5.260.0010.02717.57
5.5.250.0070.02417.62
5.5.240.0050.03517.40
5.5.230.0000.01314.19
5.5.220.0060.00914.30
5.5.210.0080.00514.23
5.5.200.0130.00014.61
5.5.190.0040.00814.61
5.5.180.0000.01314.54
5.5.170.0040.01214.13
5.5.160.0000.01314.53
5.5.150.0090.00314.55
5.5.140.0120.00814.47
5.5.130.0040.01214.34
5.5.120.0060.01314.47
5.5.110.0030.00614.39
5.5.100.0030.01014.10
5.5.90.0110.00414.08
5.5.80.0080.00814.42
5.5.70.0090.00614.16
5.5.60.0070.00714.09
5.5.50.0070.01014.24
5.5.40.0030.01014.32
5.5.30.0000.01514.05
5.5.20.0040.01114.48
5.5.10.0090.00013.99
5.5.00.0090.00713.98
5.4.450.0480.02715.79
5.4.440.0150.03715.71
5.4.430.0070.03215.85
5.4.420.0120.03015.79
5.4.410.0050.03515.54
5.4.400.0070.03015.36
5.4.390.0080.02715.35
5.4.380.0030.03415.45
5.4.370.0170.02715.31
5.4.360.0150.02515.43
5.4.350.0090.03215.37
5.4.340.0120.02915.40
5.4.330.0040.01112.11
5.4.320.0060.02212.31
5.4.310.0080.02712.31
5.4.300.0080.02212.31
5.4.290.0060.02412.31
5.4.280.0120.03212.25
5.4.270.0070.03712.24
5.4.260.0050.02512.24
5.4.250.0080.02312.24
5.4.240.0150.02612.24
5.4.230.0050.02612.24
5.4.220.0040.02912.24
5.4.210.0040.02512.24
5.4.200.0090.02912.24
5.4.190.0070.02512.24
5.4.180.0080.02712.24
5.4.170.0060.02912.24
5.4.160.0110.02812.24
5.4.150.0080.03012.24
5.4.140.0250.02612.08
5.4.130.0080.02812.07
5.4.120.0100.05012.05
5.4.110.0050.02712.05
5.4.100.0070.02612.05
5.4.90.0110.03012.05
5.4.80.0070.03512.05
5.4.70.0090.03312.05
5.4.60.0090.02012.05
5.4.50.0090.02412.04
5.4.40.0110.02012.04
5.4.30.0040.02712.04
5.4.20.0070.02212.04
5.4.10.0040.02512.04
5.4.00.0060.02511.78
5.3.290.0040.03012.45
5.3.280.0040.02612.40
5.3.270.0050.02912.42
5.3.260.0120.03312.41
5.3.250.0080.03312.41
5.3.240.0090.03012.41
5.3.230.0040.02812.41
5.3.220.0070.03612.39
5.3.210.0110.03212.39
5.3.200.0090.03612.39
5.3.190.0050.02412.39
5.3.180.0100.03012.39
5.3.170.0070.02412.39
5.3.160.0120.03612.39
5.3.150.0120.03512.39
5.3.140.0070.04412.38
5.3.130.0090.02812.38
5.3.120.0120.03812.38
5.3.110.0050.03412.38
5.3.100.0070.03812.11
5.3.90.0080.04712.10
5.3.80.0080.02712.09
5.3.70.0140.03512.09
5.3.60.0100.04012.08
5.3.50.0060.03012.06
5.3.40.0100.03112.06
5.3.30.0180.02512.04
5.3.20.0060.03011.93
5.3.10.0090.04211.91
5.3.00.0050.03311.91
5.2.170.0150.0799.20
5.2.160.0120.0709.20
5.2.150.0100.0549.21
5.2.140.0140.0589.20
5.2.130.0180.0699.16
5.2.120.0170.0619.16
5.2.110.0150.0629.16
5.2.100.0220.0719.16
5.2.90.0130.0689.16
5.2.80.0090.0449.16
5.2.70.0150.0739.16
5.2.60.0120.0439.11
5.2.50.0090.0559.09
5.2.40.0090.0429.06
5.2.30.0090.0369.03
5.2.20.0120.0339.02
5.2.10.0080.0308.93
5.2.00.0160.0748.80
5.1.60.0070.0248.09
5.1.50.0020.0298.09
5.1.40.0070.0278.07
5.1.30.0100.0268.41
5.1.20.0070.0298.44
5.1.10.0060.0298.17
5.1.00.0080.0288.17
5.0.50.0080.0296.65
5.0.40.0070.0196.52
5.0.30.0040.0346.32
5.0.20.0070.0196.30
5.0.10.0080.0186.27
5.0.00.0040.0336.27
4.4.90.0020.0194.78
4.4.80.0020.0194.75
4.4.70.0040.0174.76
4.4.60.0040.0164.76
4.4.50.0020.0194.77
4.4.40.0050.0274.71
4.4.30.0080.0144.76
4.4.20.0060.0154.85
4.4.10.0010.0204.85
4.4.00.0040.0274.76
4.3.110.0050.0174.67
4.3.100.0030.0184.67
4.3.90.0060.0144.64
4.3.80.0060.0244.58
4.3.70.0020.0184.63
4.3.60.0040.0164.63
4.3.50.0050.0154.63
4.3.40.0030.0274.54
4.3.30.0100.0443.32
4.3.20.0080.0213.30
4.3.10.0000.0223.27
4.3.00.0100.01013.64

preferences:
50.73 ms | 400 KiB | 5 Q