Divide an array into a desired number of split lists

columns-partition.php

<?php

/**
 * Divide an array into a desired number of split lists
 * @author Azspot
 * @link http://www.php.net/manual/en/function.array-chunk.php#75022
 * @param array $list The Array
 * @param integer $size Partition Size
 * @return array Output array
 */
function columnsPartition ( array $list, $size )
{
	$listlen = count( $list );
	
	if ( !$listlen || $size < 1)
	{
		return array ();
	}
	
	$partlen = floor( $listlen / $size );
	$partrem = $listlen % $size;
	$partition = [];
	$mark = 0;
	
	for ($px = 0; $px < $size; $px++)
	{
		$incr = ($px < $partrem)
			? $partlen + 1
			: $partlen;
		
		$partition[$px] = array_slice( $list, $mark, $incr );
		$mark += $incr;
	}
	
	return $partition;
}

?>