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Description

Copies a directory from one location to another via the WordPress Filesystem Abstraction.

Assumes that WP_Filesystem() has already been called and setup. This is a temporary function for the 3.1 -> 3.2 upgrade, as well as for those upgrading to

1. +

Usage

$mixed = _copy_dir( $from, $to, $skip_list );

Parameters

$from

( string ) required – source directory

$to

( string ) required – destination directory

$skip_list

( array ) optional – a list of files/folders to skip copying

Returns

mixed WP_Error on failure, True on success.

Source

File name: wordpress/wp-admin/includes/update-core.php
Lines:

1 to 47 of 47

function _copy_dir( $from, $to, $skip_list = array() ) {
  global $wp_filesystem;

  $dirlist = $wp_filesystem->dirlist( $from );

  $from = trailingslashit( $from );
  $to   = trailingslashit( $to );

  foreach ( (array) $dirlist as $filename => $fileinfo ) {
    if ( in_array( $filename, $skip_list ) ) {
      continue;
    }

    if ( 'f' == $fileinfo['type'] ) {
      if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) {
        // If copy failed, chmod file to 0644 and try again.
        $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );
        if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) {
          return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename );
        }
      }
    } elseif ( 'd' == $fileinfo['type'] ) {
      if ( ! $wp_filesystem->is_dir( $to . $filename ) ) {
        if ( ! $wp_filesystem->mkdir( $to . $filename, FS_CHMOD_DIR ) ) {
          return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename );
        }
      }

      /*
			 * Generate the $sub_skip_list for the subdirectory as a sub-set
			 * of the existing $skip_list.
			 */
      $sub_skip_list = array();
      foreach ( $skip_list as $skip_item ) {
        if ( 0 === strpos( $skip_item, $filename . '/' ) ) {
          $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
        }
      }

      $result = _copy_dir( $from . $filename, $to . $filename, $sub_skip_list );
      if ( is_wp_error( $result ) ) {
        return $result;
      }
    }
  }
  return true;
}
 

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