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<?php
/**
* Support functions for the importImages script
*
* @package MediaWiki
* @subpackage Maintenance
* @author Rob Church <robchur@gmail.com>
*/
/**
* Search a directory for files with one of a set of extensions
*
* @param $dir Path to directory to search
* @param $exts Array of extensions to search for
* @return mixed Array of filenames on success, or false on failure
*/
function findFiles( $dir, $exts ) {
if( is_dir( $dir ) ) {
if( $dhl = opendir( $dir ) ) {
while( ( $file = readdir( $dhl ) ) !== false ) {
if( is_file( $dir . '/' . $file ) ) {
list( $name, $ext ) = splitFilename( $dir . '/' . $file );
if( array_search( strtolower( $ext ), $exts ) !== false )
$files[] = $dir . '/' . $file;
}
}
return $files;
} else {
return false;
}
} else {
return false;
}
}
/**
* Split a filename into filename and extension
*
* @param $filename Filename
* @return array
*/
function splitFilename( $filename ) {
$parts = explode( '.', $filename );
$ext = $parts[ count( $parts ) - 1 ];
unset( $parts[ count( $parts ) - 1 ] );
$fname = implode( '.', $parts );
return array( $fname, $ext );
}
/**
* Given an image hash, check that the structure exists to save the image file
* and create it if it doesn't
*
* @param $hash Part of an image hash, e.g. /f/fd/
*/
function makeHashPath( $hash ) {
global $wgUploadDirectory;
$parts = explode( '/', substr( $hash, 1, strlen( $hash ) - 2 ) );
if( !is_dir( $wgUploadDirectory . '/' . $parts[0] ) )
mkdir( $wgUploadDirectory . '/' . $parts[0] );
if( !is_dir( $wgUploadDirectory . '/' . $hash ) )
mkdir( $wgUploadDirectory . '/' . $hash );
}
?>
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