In php-> and

Source: Internet
Author: User

"->" (Minus sign, right angle bracket)

Used for functions or objects in the category class, such:

The code is as follows: Copy code
<? Php
Class Test {
Function do_test () {echo "Doing foo .";}}
$ Bar = new Test; $ bar-> do_test ();

"=>" (Equal sign, right angle bracket)

Assign values to an array, for example:

The code is as follows: Copy code
$ Arr = array ("one" => ("1" => 10, "2" => 20), "two" => 2 );

Then $ arr ["one"] ["1"] = 10;

'->' Is similar to C ++ to point to the internal structure or method of the object;
'=>' Is a PHP array with an index element defined.

=> Key-value pairs: keys on the left and values on the right (similar to json key: val)

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