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); } ?>

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)
8.3.60.0150.00616.50
8.3.50.0120.01021.87
8.3.40.0090.00618.84
8.3.30.0110.00319.16
8.3.20.0000.00720.34
8.3.10.0000.00823.56
8.3.00.0050.00320.61
8.2.180.0090.00616.38
8.2.170.0080.01122.96
8.2.160.0130.00722.17
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00322.15
8.2.110.0060.00322.13
8.2.100.0080.00417.78
8.2.90.0030.00618.97
8.2.80.0050.00317.97
8.2.70.0000.01017.38
8.2.60.0050.00317.91
8.2.50.0040.00718.07
8.2.40.0080.00019.39
8.2.30.0000.00717.98
8.2.20.0050.00217.41
8.2.10.0000.00717.54
8.2.00.0040.00417.44
8.1.280.0030.01325.92
8.1.270.0040.00423.89
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0040.00423.79
8.1.230.0060.00619.22
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0080.00317.23
8.1.190.0060.00317.26
8.1.180.0080.00018.10
8.1.170.0040.00418.50
8.1.160.0000.00721.95
8.1.150.0070.00018.51
8.1.140.0040.00417.29
8.1.130.0030.00317.75
8.1.120.0000.00717.31
8.1.110.0040.00417.16
8.1.100.0040.00417.28
8.1.90.0000.00717.30
8.1.80.0000.00717.34
8.1.70.0030.00317.25
8.1.60.0050.00317.46
8.1.50.0080.00017.38
8.1.40.0070.00017.42
8.1.30.0030.00517.52
8.1.20.0040.00417.36
8.1.10.0070.00017.42
8.1.00.0000.01117.21
8.0.300.0070.00018.77
8.0.290.0000.00717.03
8.0.280.0070.00018.20
8.0.270.0070.00017.13
8.0.260.0000.00716.71
8.0.250.0040.00416.80
8.0.240.0030.00316.90
8.0.230.0000.00816.84
8.0.220.0080.00016.69
8.0.210.0000.00716.77
8.0.200.0030.00316.75
8.0.190.0000.00916.81
8.0.180.0040.00416.72
8.0.170.0040.00416.81
8.0.160.0000.00716.65
8.0.150.0040.00416.70
8.0.140.0040.00416.66
8.0.130.0030.00313.20
8.0.120.0000.00816.71
8.0.110.0040.00416.80
8.0.100.0040.00416.83
8.0.90.0070.00016.81
8.0.80.0090.00616.76
8.0.70.0040.00416.76
8.0.60.0040.00416.73
8.0.50.0060.00316.73
8.0.30.0120.00716.98
8.0.20.0070.01117.40
8.0.10.0040.00416.78
8.0.00.0120.00616.70
7.4.330.0050.00015.00
7.4.320.0030.00316.47
7.4.300.0030.00316.51
7.4.290.0030.00316.39
7.4.280.0000.00716.47
7.4.270.0070.00016.54
7.4.260.0000.00716.40
7.4.250.0050.00216.45
7.4.240.0040.00416.50
7.4.230.0040.00416.39
7.4.220.0110.01116.36
7.4.210.0070.00716.51
7.4.200.0000.00716.39
7.4.190.0070.00016.43
7.4.160.0130.00316.27
7.4.150.0140.00317.40
7.4.140.0120.00517.86
7.4.130.0060.01116.42
7.4.120.0160.00416.35
7.4.110.0050.01216.45
7.4.100.0140.00916.40
7.4.90.0150.00616.38
7.4.80.0070.01016.39
7.4.70.0140.00316.48
7.4.60.0100.00716.34
7.4.50.0090.00016.45
7.4.40.0030.01022.77
7.4.30.0070.01016.45
7.4.00.0120.00314.73
7.3.330.0000.00513.18
7.3.320.0050.00013.14
7.3.310.0030.00316.06
7.3.300.0030.00316.19
7.3.290.0090.01016.25
7.3.280.0090.00816.19
7.3.270.0120.00617.40
7.3.260.0130.01016.19
7.3.250.0070.01616.31
7.3.240.0100.00616.11
7.3.230.0090.00616.39
7.3.210.0120.00616.30
7.3.200.0060.01219.39
7.3.190.0100.01316.28
7.3.180.0080.00716.07
7.3.170.0090.00616.27
7.3.160.0130.00316.19
7.3.120.0000.01814.84
7.2.330.0110.00716.53
7.2.320.0120.00616.21
7.2.310.0090.00916.29
7.2.300.0030.02016.52
7.2.290.0060.01316.41
7.2.00.0030.01218.80
7.1.100.0060.00918.04
7.1.70.0000.00916.75
7.1.60.0070.01719.29
7.1.50.0100.01316.74
7.1.00.0000.08022.28
7.0.200.0090.00516.68
7.0.140.0030.07322.10
7.0.60.0100.07321.71
7.0.50.0000.05717.90
7.0.40.0130.06320.11
7.0.30.0430.04720.21
7.0.20.0270.07720.05
7.0.10.0030.07020.15
7.0.00.0030.08720.22
5.6.280.0030.07021.11
5.6.210.0100.08020.66
5.6.200.0170.03018.18
5.6.190.0030.04320.52
5.6.180.0330.04020.64
5.6.170.0230.04320.51
5.6.160.0100.08020.50
5.6.150.0100.08018.23
5.6.140.0100.06018.28
5.6.130.0030.07018.18
5.6.120.0030.06021.16
5.6.110.0130.06720.97
5.6.100.0070.08321.02
5.6.90.0130.07721.11
5.6.80.0100.05020.54
5.5.350.0130.03720.39
5.5.340.0100.08018.08
5.5.330.0130.07720.32
5.5.320.0330.06020.37
5.5.310.0230.05020.34
5.5.300.0000.05018.08
5.5.290.0000.07317.96
5.5.280.0070.03720.78
5.5.270.0130.07720.85
5.5.260.0170.07720.80
5.5.250.0130.07720.62
5.5.240.0100.06020.27
5.4.450.0330.04719.64
5.4.440.0200.06019.17
5.4.430.0230.05319.46
5.4.420.0130.06019.44
5.4.410.0200.05318.90
5.4.400.0130.05318.67
5.4.390.0100.05718.57
5.4.380.0070.06018.71
5.4.370.0230.06018.78
5.4.360.0070.06318.52
5.4.350.0200.04718.74
5.4.340.0230.04318.55
5.4.320.0040.04512.51
5.4.310.0050.03912.50
5.4.300.0070.03612.51
5.4.290.0070.03612.51
5.4.280.0090.05212.38
5.4.270.0080.05112.38
5.4.260.0080.05512.38
5.4.250.0100.06612.38
5.4.240.0140.06112.38
5.4.230.0110.06012.37
5.4.220.0130.05712.37
5.4.210.0140.06312.37
5.4.200.0200.07912.38
5.4.190.0130.06912.37
5.4.180.0100.06012.36
5.4.170.0170.06912.38
5.4.160.0120.07312.37
5.4.150.0140.06812.37
5.4.140.0190.08312.05
5.4.130.0090.04812.04
5.4.120.0110.06812.00
5.4.110.0060.04311.99
5.4.100.0110.03912.00
5.4.90.0140.05711.99
5.4.80.0060.06811.99
5.4.70.0110.05411.98
5.4.60.0050.05911.99
5.4.50.0140.05411.99
5.4.40.0270.06511.98
5.4.30.0130.07811.97
5.4.20.0210.08111.98
5.4.10.0210.07711.98
5.4.00.0130.07611.46
5.3.290.0110.03412.80
5.3.280.0200.05812.71
5.3.270.0140.06712.72
5.3.260.0290.10612.72
5.3.250.0070.09812.72
5.3.240.0210.09112.72
5.3.230.0180.07412.71
5.3.220.0170.05312.68
5.3.210.0160.11012.68
5.3.200.0210.09812.68
5.3.190.0210.12212.68
5.3.180.0100.04112.67
5.3.170.0110.04712.66
5.3.160.0080.04612.67
5.3.150.0270.07512.67
5.3.140.0240.06812.66
5.3.130.0250.13512.65
5.3.120.0200.12212.65
5.3.110.0190.11412.66
5.3.100.0290.08712.12
5.3.90.0180.08812.09
5.3.80.0150.07912.07
5.3.70.0350.06312.07
5.3.60.0190.11612.07
5.3.50.0180.09212.01
5.3.40.0210.07412.00
5.3.30.0100.08811.96
5.3.20.0220.07911.75
5.3.10.0230.07811.72
5.3.00.0130.04011.70
5.2.170.0080.0309.20
5.2.160.0110.0459.20
5.2.150.0190.0769.20
5.2.140.0150.0709.20
5.2.130.0150.0589.16
5.2.120.0220.0589.16
5.2.110.0190.0669.16
5.2.100.0160.0819.17
5.2.90.0200.0749.16
5.2.80.0150.0589.16
5.2.70.0090.0439.15
5.2.60.0160.0509.11
5.2.50.0100.0639.09
5.2.40.0060.0489.06
5.2.30.0090.0669.03
5.2.20.0100.0479.02
5.2.10.0100.0388.93
5.2.00.0090.0418.80
5.1.60.0070.0288.09
5.1.50.0080.0478.09
5.1.40.0070.0398.06
5.1.30.0060.0478.41
5.1.20.0140.0458.43
5.1.10.0060.0358.17
5.1.00.0050.0378.17
5.0.50.0060.0226.64
5.0.40.0140.0816.52
5.0.30.0080.0436.32
5.0.20.0060.0316.29
5.0.10.0050.0286.28
5.0.00.0150.0826.27
4.4.90.0050.0294.78
4.4.80.0050.0284.76
4.4.70.0030.0184.75
4.4.60.0050.0184.75
4.4.50.0040.0184.77
4.4.40.0040.0284.71
4.4.30.0030.0204.76
4.4.20.0030.0214.84
4.4.10.0050.0174.85
4.4.00.0060.0254.76
4.3.110.0040.0184.67
4.3.100.0040.0164.67
4.3.90.0040.0164.63
4.3.80.0050.0254.59
4.3.70.0050.0154.63
4.3.60.0030.0184.62
4.3.50.0050.0184.63
4.3.40.0040.0284.54
4.3.30.0030.0233.31
4.3.20.0030.0313.29
4.3.10.0080.0313.26
4.3.00.0100.01313.64

preferences:
57.15 ms | 401 KiB | 5 Q