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<?php $filteredZips='[ { "id": 21, "distance": "0" }, { "id": 20, "distance": "3.9399923305414037" }, { "id": 29, "distance": "8.33045537474091" } ]'; $filteredZipsarr = json_decode($filteredZips,true); $id = array_column($filteredZipsarr, "id"); Var_dump($id);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(21) [1]=> int(20) [2]=> int(29) }

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