mb_levenshtein

mb_levenshtein php功能

Levenshtein PHP功能具有UTF-8支持。此功能发现两个字符串之间的相似性距离。

• 源代码 @ github
• 作曲家可用 @ Packagist

功能

• Levenshtein距离的回报。 （较小，靠近）

   mb_levenshtein ( string $ str1 , string $ str2 ) : int

   mb_levenshtein ( string $ str1 , string $ str2 , int $ cost_ins , int $ cost_rep , int $ cost_del ) : int

• LEVENSHTEIN比率在0到1之间的回报（较大，接近）

   mb_levenshtein_ratio ( string $ str1 , string $ str2 ) : float

   mb_levenshtein_ratio ( string $ str1 , string $ str2 , int $ cost_ins , int $ cost_rep , int $ cost_del ) : float

用法

 <?php
include_once ( ' ./mb_levenshtein.php ' );

$ query = ' cafe ' ;
$ comps = [
    ' coffee ' ,
    ' café ' ,
    ' tea ' ,
    ' sake ' ,
];

echo " Query word: $ {query}" . PHP_EOL ;

foreach ( $ comps as $ comp ) {
    $ sim = mb_levenshtein ( $ query , $ comp );
    echo "  $ {comp} : $ {sim}" . PHP_EOL ;
}

结果：

$ # The smaller, the closer
$ php ./sample.php
Query word: cafe
  coffee: 3
  café: 1
  tea: 4
  sake: 2 

作曲家

• 使用发布版本：

  composer require keinos/mb_levenshtein

• 使用最新版本：

  composer require keinos/mb_levenshtein:dev-master

 <?php
require_once ( ' vendor/autoload.php ' );

$ query = ' cafe ' ;
$ comps = [
    ' coffee ' ,
    ' café ' ,
    ' tea ' ,
    ' sake ' ,
];

echo " Query word: $ {query}" . PHP_EOL ;

foreach ( $ comps as $ comp ) {
    $ sim = mb_levenshtein ( $ query , $ comp );
    echo "  $ {comp} : $ {sim}" . PHP_EOL ;
}

结果：

$ ls
sample.php
$ composer require keinos/mb_levenshtein
Using version ^1.0 for keinos/mb_levenshtein
./composer.json has been created
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Installing keinos/mb_levenshtein (1.0.0): Downloading (100%)
Writing lock file
Generating autoload files
$ # The smaller, the closer
$ php ./sample.php
Query word: cafe
  coffee: 3
  café: 1
  tea: 4
  sake: 2
$ ls
composer.json   composer.lock   sample.php  vendor
$ cat composer.json
{
    "require": {
        "keinos/mb_levenshtein": "^1.0"
    }
}