Parse version numbers into major/minor/patch values

parse_version_numbers.php

<?php
$versions = array('1.0 RC1', '1.0 RC2', '1.0 RC3', '1.0 RC4', '1.0 RC5', '1.0 RC6', '1.5.0', '1.5.1', '1.5.10', '1.5.11', '1.5.12', '1.5.13', '1.5.14', '1.5.15', '1.5.2', '1.5.3', '1.5.4', '1.5.5', '1.5.6', '1.5.7', '1.5.8', '1.5.9', '1.6.0', '1.6.1', '1.6.2', '1.6.3', '1.6.4', '1.6.5', '1.6.6', '1.6.7', '5.3.5-1ubuntu7.11', '2.14 RC1', '3.12RC5');

foreach($versions as $version) 
{
	$result = preg_match("/^(\d+)\.(\d+)[\. \-]?([a-z0-9\-\.]+)$/i", $version, $matches);

	if($result) 
	{
		$major = (int) $matches[1];
		$minor = (int) $matches[2];
		$patch = $matches[3];
	
		if(is_numeric(substr($patch, 0, 1))) {
			echo "Parsed $version to: $major.$minor.$patch";
		} else {
			echo "Parsed $version to: $major.$minor $patch";
		}
	}
	else echo "!! No match found for $version !!";
	
	echo PHP_EOL;
}