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<?php function nullifyEmptyArrayValues(array $array, array $keys) { foreach ($keys as $key) { if (array_key_exists($key, $array) && $array[$key] === '') { $array[$key] = null; } } return $array; } $row = [ 'first' => 'foo', 'second' => '', 'third' => '', 'fourth' => 'bar', ]; var_dump(nullifyEmptyArrayValues($row, ['third']));
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { ["first"]=> string(3) "foo" ["second"]=> string(0) "" ["third"]=> NULL ["fourth"]=> string(3) "bar" }

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