$c=array("a"=>"blue","b"=>"green");
array_push($c,$c["d"]="red");
print_r($c);
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此代码将键添加到数组中.但它也将索引键添加到相同的键/值对.如何避免这个索引键?输出:
Array
(
[a] => blue
[b] => green
[d] => red
[0] => red
)
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