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file_finder: Determines if a given image exists and shows it

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2006-11-05 (9 years ago) RSS 2.0 feedNot enough user ratingsTotal: 1,898 All time: 2,002 This week: 1,134Up
Version License Categories
file_find 1.0GNU General Publi...HTML, Graphics
Description Author

A class that handles all operations required to check if a pic file exists, calculates appropiate width/height to fit a required area and generates the <img> tag

Picture of Carlos Falo Hervás
Name: Carlos Falo Hervás <contact>
Classes: 10 packages by
Country: Spain Spain
Age: 41
All time rank: 331 in Spain Spain
Week rank: 736 Down24 in Spain Spain Down
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Nominee: 1x

Details
===== BASIC DOCUMENTATION FOR FILE_FINDER CLASS =====

0.- INTRODUCTION AND EXTENTS

I implemented this class due to a necessity on a website where the users
could upload pictures and those pictures had to be shown and scaled to fit
into general site design...

It handles all operations required to determine wether a pic exists (checks for
different img types if not specified), scales accordingly to aspect ratio to fit
on a fixed space and echoes <img> tag

1.- BASICS OF OPERATION

The class works on 2 basic functions

PUBLIC INTERFACE:

  function file_find($imgdir="images") ;

    The constructor:

	$imgdir-> string with full path to your web img directory (from WEB ROOT DIR)
  i.e.:
      ROOTDIR = "../" (ROOTDIR IS DETERMINED AUTOMATICALLY BY THE CLASS ALWAYS 
                       RELATIVE TO CURRENT SCRIPT PATH!!)
      imgdir = "images" This will mean to get an image you can state "../images"
                        or "/images" Relative path used on file_find ops

  function get_file($fname,$alttext,$maxw=0,$maxh=0,$altimg)
  
    Finds the file and echoes <img>
    
    $fname -> the name of the img file (can have .ext or not... if not stated 
              cycles through .gif, .jpg, .png in that order)
    $alttext -> ALT text for the img tag
    $maxw -> Max Width for the pic
    $maxh -> Max Height for the pic
    $altimg -> Determines substitute for the pic (recursive get_file)
               useful for a default img i.e.
  
2.- Future releases and WIP

  I don't think i'll work much on this class, but any new release will be posted 
  at http://phpclasses.upperdesign.com

  Any suggestions are wellcome

3.- Contact information

  Carlos Falo Hervás
  slainte@jet.es
  Files folder image Files  
File Role Description
Plain text file file_finder_class.php Class Base class file
Accessible without login Plain text file README_EN Doc. Documentation (english)

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