amnuts · October 16, 2023 18:43
diff --git a/aspect-ratio.php b/aspect-ratio.php
 <?php

 function ratio($a, $b)
 {
    $gcd = function($a, $b) use (&$gcd) {
        return ($a % $b) ? $gcd($b, $a % $b) : $b;
    };
    $g = $gcd($a, $b);
    return $a/$g . ':' . $b/$g;
 }

 echo ratio(1920, 1080);  // 16:9
 echo "\n";
 echo ratio(640, 480); // 4:3
	<?php

	function ratio($a, $b)
	{
	$gcd = function($a, $b) use (&$gcd) {
	return ($a % $b) ? $gcd($b, $a % $b) : $b;
	};
	$g = $gcd($a, $b);
	return $a/$g . ':' . $b/$g;
	}

	echo ratio(1920, 1080); // 16:9
	echo "\n";
	echo ratio(640, 480); // 4:3