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<?
# imgdir.php ver 0.09
#
# browse image directory function
#
# generates html table with images and
# links to the actual filenames
#
# jan/2001 - mauricio portasio - portasio@zaz.com.br
# pls keep this header block when using these funcs
# no support is provided, but please send
# suggestions or bug reports.
# tested on:
# Apache/1.3.14 (Win98 4.1) PHP/4.04
# Apache/1.3.12 (Unix) PHP/4.0.3pl1
# load html tag definitions
# require ("htmldefs.inc");
# suggestion: move defines below to htmldefs.inc and uncomment line above
define ("LINE_BREAK", "<br>");
define ("TABLE_START", "<table width=600>n");
define ("TABLE_END", "</table>n");
define ("ROW_START", " <tr>n");
define ("ROW_END", " </tr>n");
define ("COL_START", " <td align=center>n ");
define ("COL_END", "n </td>n");
define ("IMG_START", "<img src=");
define ("IMG_END", ">");
define ("IMG_WIDTH", " width=");
define ("IMG_HEIGHT", " height=");
define ("A_START", '<a href="');
define ("A_CLOSE", '">');
define ("A_END", "</a>");
# dirToArray
#
# directory to array extractor
# $browsedir (string - path name)
# $extentions (array - extensions to be listed)
function dirToArray ($browsedir, $extensions)
{
$MAXDIRSIZE = 200;
$nextensions = sizeof ($extensions);
$idirectory = 0;
$directory = dir ($browsedir);
while ($entry = $directory->read())
{
for ($i=1; $i<=$nextensions; $i++)
{
$compare = stristr ($entry, $extensions[$i]);
if (strlen($compare) == strlen($extensions[$i]))
{
$adirectory[++$idirectory] = $entry;
break;
}
}
}
$directory->close();
return $adirectory;
}
# showDir
#
# show table with images and links
# $browsedir (string - path name)
# $adirectory (array - filenames w/o path)
function showDir ($adirectory)
{
global $browsedir;
# change layout options here - should be parameters actually...
$maxcols = 4;
$imagemaxwidth = 80;
$imagemaxheight = 60;
$imagemaxratio = $imagemaxwidth / $imagemaxheight;
$ndirectory = sizeof ($adirectory);
echo (TABLE_START);
for ($i=0; $i<=$ndirectory;)
{
echo (ROW_START);
for ($icols=1; $icols<=$maxcols; $icols++)
{
echo (COL_START);
$imagefilename = $adirectory[++$i];
if (strlen($imagefilename)>0)
{
$imagepath = $browsedir."/".$imagefilename;
$imagesize = GetImageSize ($imagepath);
if ($imagesize)
{
$imagewidth = $imagesize[0];
$imageheight = $imagesize[1];
$imageratio = $imagewidth / $imageheight;
if ($imageratio > $imagemaxratio)
{
$imageoutputwidth = $imagemaxwidth;
$imageoutputheight = ceil ($imagemaxwidth/$imagewidth*$imageheight);
}
else if ($imageratio < $imagemaxratio)
{
$imageoutputheight = $imagemaxheight;
$imageoutputwidth = ceil ($imagemaxheight/$imageheight*$imagewidth);
} else
{
$imageoutputwidth = $imagemaxwidth;
$imageoutputheight = $imagemaxheight;
}
echo (A_START.$imagepath.A_CLOSE);
echo (IMG_START.$imagepath.IMG_WIDTH.$imageoutputwidth.IMG_HEIGHT.$imageoutputheight.IMG_END);
echo (LINE_BREAK.$adirectory[$i]);
echo (A_END);
}
echo (COL_END);
}
}
echo (ROW_END);
}
echo (TABLE_END);
}
# main - test
# list allowed extensions here
$extensions[1] = "jpeg";
$extensions[2] = "jpg";
$extensions[3] = "gif";
# directory to be browsed
$browsedir = "images";
showDir ( dirToArray ($browsedir, $extensions) );
?>
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