How to get a variable name as a string in PHP?
Use variable name as a string to get the variable name. There are many ways to solve this problem some of them are discussed below:
Method 1: Using $GLOBALS: It is used to reference all variables available in global scope. It is an associative array which contains the reference of all variables which are currently defined in the global scope.
Example: This example uses $GLOBAL reference to get the variable name as a string.
Method 2: Using $$ Operator: The $$var_name is known as reference variable where $var_name is a normal variable. The $$var_name used to refer to the variable with the name as value of the variable $var_name.
Example: This example uses $$ operator to get the variable name as a string.
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