Scope of PHP function
27136
Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?
112144
variable-variables in PHP
33464
What is the difference between PHP echo and PHP return in plain English?
66357
What does the function declaration "sub function($$)" mean?
15994
Reference — What does this symbol mean in PHP?
28884
PHP function overloading
44241
Can I create a PHP function that I can call without parentheses?
126853
Access PHP variable in JavaScript
71641
PHP: Static and non Static functions and Objects
136242
Undefined Reference to a function
108661
In php, is 0 treated as empty?
91194
How to set global variable in functions.php
123728
Singular or Plural setting to a variable. PHP
113247
scope of local variables of a function in C
45785
The scope of variable in inner anonymous method
134684
Variable's scope in a switch case
100563
PHP: Right way to declare variable before use in loop