What is PHP 5 in CGI mode?

I'm finally biting the bullet and trying to learn PHP.  My Dolphin application is on a shared server using PHP 4, but many of the tutorials I am reading suggest learning on PHP 5.   I asked my host about this, and they said they recently bought a PHP 5 server, and offered to transfer my applications.  I have a few questions about this.   If they transfer my D6.1 site to this new server, will it still work even thought it was written in PHP 4?   Will the new D7 - if it is ever released, work better on a PHP 5 server?  Also, they told me they are using PHP  5.2.8 installed in CGI mode - what exactly does that mean?  Is that good or bad?  I have no clue.

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Rob

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p.s.  If anyone has any good resources they can suggest for learning PHP I would like to know that also.

Quote · 28 Apr 2009
 
 
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