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<?php $vars = array(11, '11', '11.0', '11e1', '11f1', '11e0', '11f0', '11e2', '11f2'); $size = count($vars); for($ii = 0; $ii < $size - 1; $ii++) { for($jj = $ii + 1; $jj < $size; $jj++) { if ($vars[$ii] == $vars[$jj]) { echo "$vars[$ii] == $vars[$jj]\n"; } } } var_dump($vars);
Output for git.master, git.master_jit, rfc.property-hooks
11 == 11 11 == 11.0 11 == 11e0 11 == 11.0 11 == 11e0 11.0 == 11e0 array(9) { [0]=> int(11) [1]=> string(2) "11" [2]=> string(4) "11.0" [3]=> string(4) "11e1" [4]=> string(4) "11f1" [5]=> string(4) "11e0" [6]=> string(4) "11f0" [7]=> string(4) "11e2" [8]=> string(4) "11f2" }

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