Instalation issues - Blank page when accessing a hello world controller

[eluser]Unknown[/eluser]
I've recently installed codeigniter for study.

I done the hello world tutorial and when i accessing the controller only a blank page is showed.

I've found here in the forum that this is often an error in php's files.

i've done a new mamp instalation, and figure out that the php.ini file was with "display_errors" set to "Off". When i set it to "On" and reload the page, the problem was shown!

Hope that helps.

Thanks.
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