function epub_get_item in Epub 8

Same name and namespace in other branches

1. 7 epub.module \epub_get_item()

2 calls to epub_get_item()

EpubCoverImage::viewElements in src/Plugin/Field/FieldFormatter/EpubCoverImage.php

Builds a renderable array for a field value.

template_preprocess_epub_formatter_default in ./epub.field.inc

Prepares variables for epub default templates.

File

./epub.module, line 120

Code

function epub_get_item($dir, $id) {
  $file = epub_get_opf($dir);
  if ($file) {
    $opfXML = simplexml_load_file($file);
    $opfXML
      ->registerXPathNamespace('opf', 'http://www.idpf.org/2007/opf');
    $element = $opfXML
      ->xpath('//opf:item[@id="' . $id . '"]');
    if (empty($element)) {
      return false;
    }
    else {
      $attributes = $element[0]
        ->attributes();
      $href = (string) $attributes['href'];
      $filename = pathinfo($href);
      $scan = file_scan_directory($dir, '/.*' . $filename['basename'] . '$/');
      return array_shift($scan)->uri;
    }
  }
  else {
    return false;
  }
}