What is the purpose of the PHP statement <$id = $action = "";>?

The purpose of the PHP statement <$id = $action = "";> is to initialize the variables $id and $action with empty values. This is commonly done at the beginning of a script to ensure that the variables are defined and do not contain any previous values that might interfere with the current execution of the script. 

$id = $action = &quot;&quot;;

Keywords

PHP statement variable assignment initialization empty string

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