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<?php $objs = [ ['value'=>2, 'key'=>'a'], ['value'=>3, 'key'=>'b'] ]; print_r($objs); $keys = array_column($objs, 'key'); $index = array_search('a', $keys); if ($index !== false) { $objs[$index]['value'] = 5; } print_r($objs);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [value] => 2 [key] => a ) [1] => Array ( [value] => 3 [key] => b ) ) Array ( [0] => Array ( [value] => 5 [key] => a ) [1] => Array ( [value] => 3 [key] => b ) )

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