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qingdao PHP introduction板、simple插stores a variable-length data list. each node contains a data item and a pointer to the next node. the stack follows the principle of first-in and later-out, similar to a function call...this site VIP
stores a variable-length data list. each node contains a data item and a pointer to the next node. the stack follows the principle of first-in and later-out, similar to a function call...
