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Check if delete_transient() exists to avoid error when upgrading from releases that don't define it. 

git-svn-id: http://svn.automattic.com/wordpress/trunk@11356 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2009-05-16 04:56:13 +00:00
parent 2dab570b8b
commit 2854da3b5e
1 changed files with 4 additions and 1 deletions
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5
wp-admin/includes/update-core.php
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@ -250,7 +250,10 @@ function update_core($from, $to) {
$wp_filesystem->delete($from, true);
// Force refresh of update information
delete_transient('update_core');
if ( function_exists('delete_transient') )
delete_transient('update_core');
else
delete_option('update_core');
// Remove maintenance file, we're done.
$wp_filesystem->delete($maintenance_file);