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/JSON应用场景与实战

echo和var_dump的区别

<?php

$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';

$arr =json_decode($json,true);

echo($arr);

?>


请问为什么输出的是Notice: Array to string conversion in /68/1413/DaOD/index.php on line 4

而吧echo换成var_dump就可以了？


newBegining

2016-08-02

源自：JSON应用场景与实战  1-6

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qq_慕神1420022
2022-03-31

立体感超重的~~

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天蝎情
2016-08-02

一个只有输出作用，一个不仅输出还可以查看数据类型！！！

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