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<?php $input = [ 'sort' => 'a', 'page' => 'b', 'goo' => 'c', //'search' => 'd', 'topic' => 'e', 'foo' => 'f', 'lng' => 'g', 'poo' => 'h', ]; $lookup = [ 'lng' => 5, 'topic' => 4, 'page' => 3, 'sort' => 2, 'search' => 1, // do not declare a key with a zero value ]; uksort( $input, function($a, $b) use($lookup) { return ($lookup[$b] ?? 0) <=> ($lookup[$a] ?? 0); } ); var_export($input);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'lng' => 'g', 'topic' => 'e', 'page' => 'b', 'sort' => 'a', 'goo' => 'c', 'foo' => 'f', 'poo' => 'h', )

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