Online PHP editor | output for f9cin

@ 2016-02-17T13:14:13Z

<?php
	function romToDec ($dec) {
		$return = '';
		
		while ($dec >= 1000) {
			$dec -= 1000;
			$return .= 'M';
		}
		
		if ($dec >= 900) {
			$dec -= 900;
			$return .= 'CM';
		}
		
		if ($dec >= 500) {
			$dec -= 500;
			$return .= 'D';
		}
		
		if ($dec >= 400) {
			$dec -= 400;
			$return .= 'CD';
		}
		
		while ($dec >= 100) {
			$dec -= 100;
			$return .= 'C';
		}
		
		if ($dec >= 90) {
			$dec -= 90;
			$return .= 'XC';
		}
		
		if ($dec >= 50) {
			$dec -= 50;
			$return .= 'L';
		}
		
		if ($dec >= 40) {
			$dec -= 40;
			$return .= 'XL';
		}
		
		while ($dec >= 10) {
			$dec -= 10;
			$return .= 'X';
		}
		
		if ($dec == 9) {
			$dec = 0;
			$return .= 'IX';
		}
		
		if ($dec >= 5) {
			$dec -= 5;
			$return .= 'V';
		}
		
		if ($dec == 4) {
			$dec = 0;
			$return .= 'IV';
		}
		
		while ($dec >= 1) {
			$dec -= 1;
			$return .= 'I';
		}
		
		return $return;
	}
	
	
	
	$tests = array(1, 999, 2016, 23458, 104696);
	foreach ($tests as $test) {
		echo $test.' → '.romToDec($test)."\n";
	}
?>

Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 1 → I 999 → CMXCIX 2016 → MMXVI 23458 → MMMMMMMMMMMMMMMMMMMMMMMCDLVIII 104696 → MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDCXCVI
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1 → I 999 → CMXCIX 2016 → MMXVI 23458 → MMMMMMMMMMMMMMMMMMMMMMMCDLVIII 104696 → MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDCXCVI

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