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<?php $objs = [ ['value'=>2, 'key'=>'a'], ['value'=>3, 'key'=>'b'] ]; $keys = array_column($objs, 'key'); $index = array_search('c', $keys); $objs[$index]['key'] = 5; var_dump($objs);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(2) { ["value"]=> int(2) ["key"]=> int(5) } [1]=> array(2) { ["value"]=> int(3) ["key"]=> string(1) "b" } }

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