könnt ihr mir bitte erklären was php und co sind

[Bildsetzer]

<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img001.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img002.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img003.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img004.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img005.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img006.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img007.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img008.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img009.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img010.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img011.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img012.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img013.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img014.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img015.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img016.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img017.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img018.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img019.gif" border=0 alt="">
<img src="http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/img020.gif" border=0 alt="">

source: http://wwwx.cs.unc.edu/Courses/comp118/members/smithp/presentation/php/index.htm

:-)