1. Go to this page and download the library: Download bdelespierre/php-kmeans 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/ */
bdelespierre / php-kmeans example snippets
// prepare 50 points of 2D space to be clustered
$points = [
[80,55],[86,59],[19,85],[41,47],[57,58],
[76,22],[94,60],[13,93],[90,48],[52,54],
[62,46],[88,44],[85,24],[63,14],[51,40],
[75,31],[86,62],[81,95],[47,22],[43,95],
[71,19],[17,65],[69,21],[59,60],[59,12],
[15,22],[49,93],[56,35],[18,20],[39,59],
[50,15],[81,36],[67,62],[32,15],[75,65],
[10,47],[75,18],[13,45],[30,62],[95,79],
[64,11],[92,14],[94,49],[39,13],[60,68],
[62,10],[74,44],[37,42],[97,60],[47,73],
];
// create a 2-dimentions space
$space = new KMeans\Space(2);
// add points to space
foreach ($points as $i => $coordinates) {
$space->addPoint($coordinates);
}
// cluster these 50 points in 3 clusters
$clusters = $space->solve(3);
// display the cluster centers and attached points
foreach ($clusters as $num => $cluster) {
$coordinates = $cluster->getCoordinates();
printf(
"Cluster %s [%d,%d]: %d points\n",
$num,
$coordinates[0],
$coordinates[1],
count($cluster)
);
}