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XML-RPC: Avoid a PHP notice in `::pingback_ping()` if page title was not found. 

Props RedSand.
Fixes #36727.

git-svn-id: https://develop.svn.wordpress.org/trunk@38620 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2016-09-18 14:25:13 +00:00
parent bc0a601889
commit e7def1dae2
1 changed files with 4 additions and 3 deletions
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7
src/wp-includes/class-wp-xmlrpc-server.php
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@ -6323,9 +6323,10 @@ class wp_xmlrpc_server extends IXR_Server {
$remote_source = preg_replace( "/<\/*(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $remote_source );
preg_match( '|<title>([^<]*?)</title>|is', $remote_source, $matchtitle );
$title = $matchtitle[1];
if ( empty( $title ) )
return $this->pingback_error( 32, __('We cannot find a title on that page.' ) );
$title = isset( $matchtitle[1] ) ? $matchtitle[1] : '';
if ( empty( $title ) ) {
return $this->pingback_error( 32, __( 'We cannot find a title on that page.' ) );
}
$remote_source = strip_tags( $remote_source, '<a>' ); // just keep the tag we need