matrix.php

<?php

/**
 * usage: php matrix.php 4 2 3
*/ 

$m=$argv[1];
$n=$argv[2];
$k=$argv[3];

$f1 = fopen(__DIR__ . '/mat1', 'w');
fwrite($f1, $m . "\n");
$f2 = fopen(__DIR__ . '/mat2', 'w');
fwrite($f2, $k . "\n");

saveMatrix($f1, generateMatrix($m, $n));
saveMatrix($f2, generateMatrix($n, $k));

fclose($f1);
fclose($f2);

function generateMatrix ($rows, $cols)
{
	$matrix = array();
	for ($row=0; $row < $rows; $row++) {
		for ($col=0; $col < $cols; $col++) {
			$matrix [$row][$col] = mt_rand($min = -150, $max = 1024);
		}
	}
	
	return $matrix;
}

function saveMatrix ($fp, $matrix)
{
	foreach ($matrix as $row) {
		fwrite($fp, implode(' ', $row) . "\n");
	}
}