Second question about PHP
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Today, I find a bewildering and fallacious point.
A class ,named a_dao.class.php, in DAO layer has codes as "require("./DBConnection.class.php")", and another one ,named b_dao.class.php, in DAO layer also has.
When I use both them as defined in another class "require("./dao/a_dao.class.php");require("./dao/b_dao.class.php")", it will say "Fatal error: Cannot redeclare class DBConnection inC:/Program Files/Apache Software Foundation/Apache2.2/htdocs/application/dao/DBConnection.class.php on line3".
I think this will take troubles to use, as we cann't require a class twice or more.
Why doesn't it require a class only once automatically like Java ?
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