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woocommerce
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delete_version_transients in blocks of 1000 to prevent timeouts 

Uses cron. @claudiosmweb  Closes #8431
This commit is contained in:
Mike Jolley 2015-07-15 15:12:52 +01:00
parent b38fbed7c4
commit 9f703b96db
1 changed files with 10 additions and 2 deletions
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12
includes/class-wc-cache-helper.php
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@ -22,6 +22,7 @@ class WC_Cache_Helper {
add_action( 'template_redirect', array( __CLASS__, 'geolocation_ajax_redirect' ) );
add_action( 'before_woocommerce_init', array( __CLASS__, 'prevent_caching' ) );
add_action( 'admin_notices', array( __CLASS__, 'notices' ) );
add_action( 'delete_version_transients', array( __CLASS__, 'delete_version_transients' ) );
}
/**
@ -102,10 +103,17 @@ class WC_Cache_Helper {
*
* @since 2.3.10
*/
private static function delete_version_transients( $version ) {
public static function delete_version_transients( $version = '' ) {
if ( ! wp_using_ext_object_cache() && ! empty( $version ) ) {
global $wpdb;
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s;", "\_transient\_%" . $version ) );
$limit = 1000;
$affected = $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s ORDER BY option_id LIMIT %d;", "\_transient\_%" . $version, $limit ) );
// If affected rows is equal to limit, there are more rows to delete. Delete in 10 secs.
if ( $affected === $limit ) {
wp_schedule_single_event( time() + 10, 'delete_version_transients', array( $version ) );
}
}
}