Is a Variable Local or a Global?
27136
Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?
92587
Surprised that global variable has undefined value in JavaScript
99196
How can I access local scope dynamically in javascript?
83432
Order of local variable allocation on the stack
112947
$GLOBALS['wp_the_query'] vs global $wp_query
142412
How to get/set local variables of a function (from outside) in Python?
134363
Why does the global variable exist here, where it was declared only in Module?
88160
What happens to global variables declared in a DLL?
80225
Why is my global variable shadowed before the local declaration?
12738
Correct Use Of Global Variables In Python 3
58982
to Global Variables inside functions
116576
Why must local variables, including primitives, always be initialized in Java?
110433
Locally declared variables can not be inspected
121787
What is the difference between local and .local in ubuntu?
128203
Python global variable scoping
142130
PHP global in functions
121668
How to avoid global variables in JavaScript?