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<?php $array = array('abc 1.0','abc 1.1.1','abc 1.1','xyz 1.1','def 2.0'); function fct($a, $b) { list($al, $an) = explode(' ', $a); list($bl, $bn) = explode(' ', $b); if ( $al == $bl ) return version_compare($an, $bn); return strcmp($al, $bl); } usort($array, 'fct'); print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => abc 1.0 [1] => abc 1.1 [2] => abc 1.1.1 [3] => def 2.0 [4] => xyz 1.1 )

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