[t] Change SplQueue to SplDoublyLinkedList
[t] Change SplQueue to SplDoublyLinkedList

rryqszq4/ngx_php7,rryqszq4/ngx_php7,rryqszq4/php7-nginx-module,rryqszq4/ngx_php7,rryqszq4/ngx_php7,rryqszq4/ngx_php7