php合併兩個二維數組，二維數組按鍵名排序，刪除二維數組元素，二維數組按相同字段合併）

1、兩個二維數組的合併php $a=Array(0 => Array("id" => 66,"class_name" => "www.iiwnet.com"),1 => Array("id" => 67,"class_name" => "linux" )); $b=Array(0 => Array("class_count"=> 8),1 => Array("class_count" => 2))

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