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Functions | |
main () | |
This function outputs various values of variables to demonstrate usage of variables, arrays, scope of variables in PHP. | |
Variables | |
$global1 = 'This is global' | |
This variable is declared just to demonstrate that global variables can be accessed in function by declaring them as global. | |
$global2 = 'This is global too' | |
This variable is declared to show that we cannot use global variables unless they are declared using global keyword. |
Definition in file index.php.
main | ( | ) |
$global1 = 'This is global' |
$global2 = 'This is global too' |