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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/atomlib.php
+5
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@@ -121,6 +121,11 @@ class AtomParser {
array_unshift($this->ns_contexts, array());
if ( ! function_exists( 'xml_parser_create_ns' ) ) {
trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
return false;
}
$parser = xml_parser_create_ns();
xml_set_object($parser, $this);
xml_set_element_handler($parser, "start_element", "end_element");