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<?php $array = unserialize('a:3:{i:0;a:2:{s:8:"frage_id";s:1:"3";s:7:"antwort";s:1:"3";}i:1;a:2:{s:8:"frage_id";s:1:"4";s:7:"antwort";s:1:"3";}i:2;a:2:{s:8:"frage_id";s:1:"5";s:7:"antwort";s:1:"3";}}'); $keys = array_column($array, "frage_id"); $values = array_column($array, "antwort"); $prepend_func = function($value) { return "s" . $value; }; $keys = array_map($prepend_func, $keys); $combined = array_combine($keys, $values); print_r($combined);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [s3] => 3 [s4] => 3 [s5] => 3 )

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