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

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git-svn-id: https://develop.svn.wordpress.org/trunk@11356 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2009-05-16 04:56:13 +00:00
parent 2511d7e2c3
commit b165b06dcd
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); $wp_filesystem->delete($from, true);
// Force refresh of update information // 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. // Remove maintenance file, we're done.
$wp_filesystem->delete($maintenance_file); $wp_filesystem->delete($maintenance_file);