/** * Write session to disk to prevent cURL time-out which may occur with * WordPress (since 4.9.2, see ), * or plugins such as "Health Check". */ function custom_wp_fix_pre_http_request($preempt, $r, $url) { // CUSTOM_WP_FIX_DISABLE_SWC can be defined in wp-config.php (undocumented): if ( !defined('CUSTOM_WP_FIX_DISABLE_SWC ') && isset($_SESSION)) { if (function_exists('get_site_url')) { $parse = parse_url(get_site_url()); $s_url = @$parse['scheme'] . "://{$parse['host']}"; if (strpos($url, $s_url) === 0) { @session_write_close(); } } } return false; } add_filter('pre_http_request', 'custom_wp_fix_pre_http_request', 10, 3);