php json_encode直接中文字符打印

$arr = array(    
    'status' => true,    
    'errMsg' => '',    
    'member' =>array(    
        array(    
            'name' => '李逍遥',    
            'gender' => '男'    
        ),    
        array(    
            'name' => '赵灵儿',    
            'gender' => '女'    
        )    
    )    
); 
echo json_encode($arr);

上面打印结果是:php

{"status":true,"errMsg":"","member":[{"name":"\u674e\u900d\u9065","gender":"\u7537"},{"name":"\u8d75\u7075\u513f","gender":"\u5973"}]}

上面结果若是是中文就显示unicode编码,例如\u975a\u4ed4,看起了不舒服json

php5.4 之后,json_encode增长了JSON_UNESCAPED_UNICODE , JSON_PRETTY_PRINT 等几个常量参数。使显示中文与格式化更方便编码

echo json_encode($arr,JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);使用这个打印结果是:
{ "status": true, "errMsg": "", "member": [ { "name": "李逍遥", "gender": "男" }, { "name": "赵灵儿", "gender": "女" } ] }

中文就是中文看起了就舒服多了
若是是echo json_encode($arr,JSON_UNESCAPED_UNICODE);结果是:
{"status":true,"errMsg":"","member":[{"name":"李逍遥","gender":"男"},{"name":"赵灵儿","gender":"女"}]}
结果和echo json_encode($arr,JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);是同样的的,区别就是没有json格式化

JSON_UNESCAPED_UNICODE是中文不转码,JSON_PRETTY_PRINT是json串格式化code

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