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<?php
class OpmlManager
{
public static function load($file)
{
if (!file_exists($file)) {
throw new Exception('OPML file not found!');
}
$opml = new Opml();
//Remove BOM if needed
$BOM = '/^/';
$fileContent = file_get_contents($file);
$fileContent = preg_replace($BOM, '', $fileContent, 1);
//Parse
$opml->parse($fileContent);
return $opml;
}
/**
* @param Opml $opml
* @param string $file
*/
public static function save($opml, $file)
{
$out = '<?xml version="1.0"?>'."\n";
$out.= '<opml version="2.0">'."\n";
$out.= '<head>'."\n";
$out.= '<title>'.htmlspecialchars($opml->getTitle()).'</title>'."\n";
$out.= '<dateCreated>'.gmdate('c').'</dateCreated>'."\n";
$out.= '<dateModified>'.gmdate('c').'</dateModified>'."\n";
if ($opml->ownerName != '') {
$out.= '<ownerName>'.htmlspecialchars($opml->ownerName).'</ownerName>'."\n";
}
if ($opml->ownerEmail != '') {
$out.= '<ownerEmail>'.htmlspecialchars($opml->ownerEmail).'</ownerEmail>'."\n";
}
if ($opml->ownerId != '') {
$out.= '<ownerId>'.htmlspecialchars($opml->ownerId).'</ownerId>'."\n";
}
$out.= '<docs>http://opml.org/spec2.opml</docs>'."\n";
$out.= '</head>'."\n";
$out.= '<body>'."\n";
foreach ($opml->entries as $person) {
$out .= sprintf(
'<outline text="%s" htmlUrl="%s" xmlUrl="%s" isDown="%s" />',
htmlspecialchars($person['name'], ENT_QUOTES),
htmlspecialchars($person['website'], ENT_QUOTES),
htmlspecialchars($person['feed'], ENT_QUOTES),
htmlspecialchars($person['isDown'] ?? '', ENT_QUOTES)
) . "\n";
}
$out.= '</body>'."\n";
$out.= '</opml>';
file_put_contents($file, $out);
}
public static function backup($file)
{
copy($file, $file.'.bak');
}
}
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