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General: Check to see that the PHP-XML module is enabled before using XML functions.

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There are a handful of places where we don't check that the XML functions exist before we use them. Ubuntu's PHP 7 packages don't include PHP-XML by default, increasing the chance of this causing issues.

Props kraftbj, markoheijnen.
Fixes #37122.



git-svn-id: https://develop.svn.wordpress.org/trunk@38883 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
pento
2016-10-24 04:44:07 +00:00
parent 1377523033
commit 2e9b3c22d8
5 changed files with 26 additions and 7 deletions
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src/wp-includes/rss.php
+5 -7
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@@ -60,15 +60,13 @@ class MagpieRSS {
*/
function __construct( $source ) {
# if PHP xml isn't compiled in, die
# Check if PHP xml isn't compiled
#
if ( !function_exists('xml_parser_create') )
trigger_error( "Failed to load PHP's XML Extension. https://secure.php.net/manual/en/ref.xml.php" );
if ( ! function_exists('xml_parser_create') ) {
return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
}
$parser = @xml_parser_create();
if ( !is_resource($parser) )
trigger_error( "Failed to create an instance of PHP's XML parser. https://secure.php.net/manual/en/ref.xml.php");
$parser = xml_parser_create();
$this->parser = $parser;