Files and Directories
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<?php
// Purpose: Find a file in a directory tree.
// Author: Douglas P. Webb
// Revision: 1.0.1
// If you make improvements : Please e-mail dwebb@cetac.com
//
// filefind accepts two parameters:
// $basedirectory : The root of the directory tree to search
// $needle : The file to find
//
// Return Value:
// The fully qualified file name of the target file if it is found,
// if the target file cannot be found then an empty string is returned.
//
// Sample Usage:
// $fullpath = filefind($DOCUMENT_ROOT, "scriptEngine.php");
// if ($fullpath != "")
// { Some processing (presumably involving scriptEngine.php) }
//
// NOTE: The search is case sensitive (because UNIX is)
// This construct is to prevent the same include file from being included more than once,
// lest it bloat the code.
if (!defined("__DLIB_FILEFIND_DEFINED"))
{
define('__DLIB_FILEFIND_DEFINED', TRUE);
function filefind ($basedirectory, $needle)
{
$handle=opendir($basedirectory);
while ($file = readdir($handle))
{
if (($file == ".") || ($file == ".."))
continue;
if (is_dir($basedirectory . '/' . $file))
{
$subDirResult = filefind($basedirectory . '/' . $file, $needle);
if ($subDirResult != "")
{
closedir($handle);
return $subDirResult;
}
} // if (is_dir($file))
if (strcmp($file, $needle) == 0)
{
closedir($handle);
return $basedirectory . '/' . $needle;
}
} // while ($file = readdir($handle))
closedir($handle);
return "";
} // function filefind
}
?>
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Usage Example
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$fullpath = filefind($DOCUMENT_ROOT, "scriptEngine.php");
if ($fullpath != "")
{ Some processing (presumably involving scriptEngine.php) }
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