Question

数组$arr = array ('a'=>1,'b'=>2,'c'=>3,'d'=>4,'e'=>5);转换为json如下

{"arr":["a":1,"b":2,"c":3,"d":4,"e":5]
}错在了哪

Answer 1

变量$arr并不是数组的组成部分。正确的应该是
{"a":1,"b":2,"c":3,"d":4,"e":5}