php中=>和 - >有什么区别？ [重复]

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• Reference — What does this symbol mean in PHP? 18 answers

What is the difference between => and -> in php? and when i should use those ? i know that -> can be use in object like $obj->foo and => is in array is there any other place we can use them ?

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Answer 1

Below link will provide you a full list of symbols and their usage.

Reference - What does this symbol mean in PHP?

Since you have asked, In short

=> is called T_DOUBLE_ARROW and is the separator for associative arrays, the '=>' created key/value pairs.

-> is called "object operator" or T_OBJECT_OPERATOR and it's used when you want to call a method on an instance or access an instance property.