what is declaration below function

Question

if(isset($_POST['login']))
{
$Uid=trim($_POST['uid']);

Answer 1

Hello, Prashanth Goud !
See it ↓
https://www.techflirt.com/scalar-type-declarations-in-php-7

https://stackoverflow.com/questions/1384006/php-how-to-avoid-redeclaring-functions

https://www.quora.com/What-is-the-difference-between-function-definition-function-declaration-and-function-prototyping

Answer 2

Thanks Alexander