The last line doesn't need a comma ,
$sqlCommand = "CREATE TABLE products (
id INT(11) NOT NULL auto_increment,
product_name VARCHAR(255) NOT NULL,
price VARCHAR(64) NOT NULL,
details text NOT NULL,
category varchar(64) NOT NULL,
date_added date NOT NULL,
PRIMARY KEY(id),
UNIQUE KEY product_name(product_name)
)";
I tried out this code in phpMyAdmin first and found that error ^