maintenance/importImages.inc.php

   1 <?php
   2
   3 /**
   4  * Support functions for the importImages script
   5  *
   6  * @package MediaWiki
   7  * @subpackage Maintenance
   8  * @author Rob Church <robchur@gmail.com>
   9  */
  10
  11 /**
  12  * Search a directory for files with one of a set of extensions
  13  *
  14  * @param $dir Path to directory to search
  15  * @param $exts Array of extensions to search for
  16  * @return mixed Array of filenames on success, or false on failure
  17  */
  18 function findFiles( $dir, $exts ) {
  19         if( is_dir( $dir ) ) {
  20                 if( $dhl = opendir( $dir ) ) {
  21                         while( ( $file = readdir( $dhl ) ) !== false ) {
  22                                 if( is_file( $dir . '/' . $file ) ) {
  23                                         list( /* $name */, $ext ) = splitFilename( $dir . '/' . $file );
  24                                         if( array_search( strtolower( $ext ), $exts ) !== false )
  25                                                 $files[] = $dir . '/' . $file;
  26                                 }
  27                         }
  28                         return $files;
  29                 } else {
  30                         return false;
  31                 }
  32         } else {
  33                 return false;
  34         }
  35 }
  36
  37 /**
  38  * Split a filename into filename and extension
  39  *
  40  * @param $filename Filename
  41  * @return array
  42  */
  43 function splitFilename( $filename ) {
  44         $parts = explode( '.', $filename );
  45         $ext = $parts[ count( $parts ) - 1 ];
  46         unset( $parts[ count( $parts ) - 1 ] );
  47         $fname = implode( '.', $parts );
  48         return array( $fname, $ext );
  49 }
  50
  51 /**
  52  * Given an image hash, check that the structure exists to save the image file
  53  * and create it if it doesn't
  54  *
  55  * @param $hash Part of an image hash, e.g. /f/fd/
  56  */
  57 function makeHashPath( $hash ) {
  58         global $wgUploadDirectory;
  59         $parts = explode( '/', substr( $hash, 1, strlen( $hash ) - 2 ) );
  60         if( !is_dir( $wgUploadDirectory . '/' . $parts[0] ) )
  61                 mkdir( $wgUploadDirectory . '/' . $parts[0] );
  62         if( !is_dir( $wgUploadDirectory . '/' . $hash ) )
  63                 mkdir( $wgUploadDirectory . '/' . $hash );
  64 }
  65
  66
  67 ?>