is_numeric( mixed $_var ) : bool
is_numeric
Short description
Checks if a variable is a number or a numeric string.
Description of this function
Examples
{%
$_array = {"Id":"100","Name":"Couch Red","Price":"400 €"};
if (array_key_exists("Price", $_array))
{
print("Der Artikel ".$_array["Name"]." kostet ".$_array["Price"]);
}
%}