gistfile1.php

<?php

require_once 'vendor/autoload.php';

$localTable = [
    [ "A", "new_column_2" ],
    [ "dfdf", null ],
    [ null, null ],
    [ "xxx", null ],
    [ "yyy", null ],
    [ null, null ],
    [ "fd", null ],
    [ "f", null ],
    [ "d", null ],
    [ "fdf", null ],
    [ null, null ],
    [ 4, null ],
    [ 545, null ],
    [ 4, null ],
    [ 5, null ],
    [ 4, null ],
    [ 5, null ],
    [ 45, null ],
    [ 4, null ],
    [ 54, null ],
    [ 5, null ],
    [ null, null ],
    [ null, null ],
    [ null, null ],
    [ null, null ],
    [ null, null ],
    [ 454, null ],
    [ null, null ],
    [ null, null ],
    [ 4, null ],
    [ 5, null ]
];

$remoteTable = [
    [ "A", "new_column_2" ],
    [ "dfdf", null ],
    [ null, null ],
    [ "fd", null ],
    [ "fd", null ],
    [ null, null ],
    [ "fd", null ],
    [ "f", null ],
    [ "d", null ],
    [ "fdf", null ],
    [ null, null ],
    [ 4, null ],
    [ 545, null ],
    [ 4, null ],
    [ 5, null ],
    [ 4, null ],
    [ 5, null ],
    [ 45, null ],
    [ 4, null ],
    [ 54, null ],
    [ 5, null ],
    [ null, null ],
    [ null, null ],
    [ null, null ],
    [ null, null ],
    [ null, null ],
    [ 454, null ],
    [ null, null ],
    [ null, null ],
    [ 4, null ],
    [ 5, null ]
];

$localTableView  = new \coopy_PhpTableView($localTable);
$remoteTableView = new \coopy_PhpTableView($remoteTable);

$compareView = \coopy_Coopy::compareTables($localTableView, $remoteTableView);

// compute aligment
$alignment = $compareView->align();

// produce the diff
$tableDiffData = [];
$tableDiffView = new \coopy_PhpTableView($tableDiffData);

$flags = new \coopy_CompareFlags();
$flags->always_show_order = true;
$flags->never_show_order = false;

$highlighter = new \coopy_TableDiff($alignment, $flags);
$highlighter->hilite($tableDiffView);


$htmlDiffRender = new \coopy_DiffRender();
$htmlDiffRender->usePrettyArrows(false);
$htmlDiffRender->render($tableDiffView);

echo $htmlDiffRender->html();