无详细内容 无 ?php$stack = new splstack();// lifoecho stack push\n;$stack[] = 'a';$stack-push('b');$stack-push('c');$stack[] = 'd';$stack[] = 'e';foreach($stack as $val) {echo $val. \n;}$stack-pop();echo stack pop\n;foreach($stack as
push('b');$stack->push('c');$stack[] = 'd';$stack[] = 'e';foreach($stack as $val) { echo $val. \n;}$stack->pop();echo stack pop\n;foreach($stack as $val) { echo $val. \n;}?>
