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<?php $string = "12&Shoes&28&Jewelry&30&Watch&96&Beauty&98&Kids&Baby"; var_export( preg_match_all( '/(\d+)&([a-z]+(?:&[a-z]+)?)/i', $string, $m ) ? array_combine($m[1], $m[2]) : [] );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 12 => 'Shoes', 28 => 'Jewelry', 30 => 'Watch', 96 => 'Beauty', 98 => 'Kids&Baby', )

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