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PHP code example of motley / hopcroft-karp

1. Go to this page and download the library: Download motley/hopcroft-karp library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

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

/* Start to develop here. Best regards https://php-download.com/ */

motley / hopcroft-karp example snippets


    $matching = HopcroftKarp::matching([
        ['left1', ['right2', 'right3']],
        ['left2', ['right1']],
        ['left3', ['right2']],
        ['left4', ['right2']],
        ['left4', ['right4']],
    ]);


$matching->toArray(); // [['left1', 'right3'], ['left2', 'right1'], ['left3', 'right2'], ['left4', 'right4']]
$matching->getRightByLeft('left2'); // 'right1'
$matching->getRightByLeft('unmatched'); // null
$matching->getLeftByRight('right2'); // 'left3'
$matching->getAllLeft(); // ['left1', 'left2', 'left3', 'left4']
$matching->getAllRight(); // ['right3', 'right1', 'right2', 'right4']


$previousMatching = new Matching([
    new Edge('left1', 'right1'),
    new Edge('left2', 'right2'),
    new Edge('left3', 'right4'),
    new Edge('left4', 'right3'),
]);

$matching = HopcroftKarp::matching([
    ['left1', ['right1', 'left2', 'right3']],
    ['left2', ['right1', 'left2', 'right3', 'right4']],
    ['left3', ['left2', 'right3', 'right4']],
    ['left4', ['right1', 'right2', 'right3', 'right4']],
], $previousMatching);