[Cialug] RE: Using conditional logic within PHP

[Andrew Lietzow]

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Hello LAMP brainiacs. I Need help with "if then else" logic in with PHP and HTML. 

Here is a page that lists some plants. 
http://hostahaven.com/pages/whatsnew/HH_ID.php

For some of the items, I have a photo while for others, I have not at present.  I'd like to add a conditional statement that checks for the existence of the jpg file in the appropriate directory, and if it doesn't exist, print the text "No Photo" rather than "Click for Photo". 

I assume I can do some kind of file checking, like 
$file=fopen("foo","r") or die("Error!"); 
but I'm a bit lost on the foo and the r.   In place of foo, could I put  "http://domain.com/photos/"+$HH_ID+'.jpg'     ? where HH_ID is item number to the left of the .jpg?   

This tutorial gets me close to an answer (e.g. http://www.htmlgoodies.com/php/p11filesystem.html) but doesn't clarify how I check for a file in a particular directory.  

Hints would be greatly appreciated.   
  
Andrew Lietzow

     


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