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@ 2014-01-29T18:22:05Z

<?php

$year = "2008";
$range = "2008-2013";

$regex = "/^(\d{0,4}+(?:-\d{0,4}+)?)$/is";
$matches = array(array());

preg_match($regex, $range, $matches[0], 1);
preg_match($regex, $year, $matches[1], 1);

print_r($matches);

?>

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

41.38 ms | 402 KiB | 5 Q