PHP Split Array Into Somewhat Even Groups

equal-split

<?php

/**
 * File       index.php
 * Created    7/16/14 1:34 AM
 * Author     Matt Thomas | [email protected] | http://betweenbrain.com
 * Support    https://github.com/betweenbrain/
 * Copyright  Copyright (C) 2014 betweenbrain llc. All Rights Reserved.
 * License    GNU GPL v2 or later
 */

$alphabet = array(
	'A' => 'Alpha',
	'B' => 'Bravo',
	'C' => 'Charlie',
	'D' => 'Delta',
	'E' => 'Echo',
	'F' => 'Foxtrot',
	'G' => 'Golf',
	'H' => 'Hotel',
	'I' => 'India',
	'J' => 'Juliet',
	'K' => 'Kilo',
	'L' => 'Lima',
	'M' => 'Mike',
	'N' => 'November',
	'O' => 'Oscar',
	'P' => 'Papa',
	'Q' => 'Quebec',
	'R' => 'Romeo',
	'S' => 'Sierra',
	'T' => 'Tango',
	'U' => 'Uniform',
	'V' => 'Victor',
	'W' => 'Whiskey',
	'X' => 'X-ray',
	'Y' => 'Yankee',
	'Z' => 'Zulu',
);

// Number of groups to create
$splits = 3;

// Calculate divisor for fmod based grouping
$divisor = ceil(count($alphabet) / $splits);

// Zero counter for calculating splits
$index = 0;

echo '<ul>';

foreach ($alphabet as $key => $value)
{
	$index++;

	echo '<li>' . $index . ' ' . $value . '</li>';

	// Check if a split is needed
	if ($index > 0 && fmod($index, $divisor) == 0)
	{
		echo '</ul><ul>';
	}
}

echo '</ul>';