'1', "b" => '2', "c" => '3', "d" => '4'); 将他变成 $arr2=array ( "a" => '1', "b" => '2', "c" => '3', "d" => '4', "f" ">
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PHP如何在键值对数组的后面追加多一对键值对

如何在键值对数组的后面追加多一对键值对
比如
$arr1= array (
"a" => '1',
"b" => '2',
"c" => '3',
"d" => '4');
将他变成
$arr2=array (
"a" => '1',
"b" => '2',
"c" => '3',
"d" => '4',
"f" => '5',);
要怎么样做。才能在键值对数组里面添加新的键值对.


回复讨论(解决方案)

直接赋值不可以么!!!这么easy

直接 $array['f'] = $数组;