


How does codeigniter update a record and assign a random value to a field?
$arrayName[] = "我们说有些皇子出身卑贱,乃是皇帝和婢女所生。那是皇帝干活干累了,性欲来了,也不管是谁了,顺便来了一发,就导致了这样的后果。我们假设这个宫女出宫去办事,顺便谈了个简短的恋爱,和她的小情郎疯狂地做爱了。等她再回来,刚好皇帝的性欲来了,摁着该宫女来了一发,怀了孕算谁的?"; $arrayName[] = "历朝历代的规矩制定者真的不是弱智,他们充分考虑到了这个问题,将规章制度制定得滴水不漏。清制,妃嫔年老父母数月或一年,在大家的见证下,可与妃嫔见面一次,其余无论是谁一律不得见面。逢年过节,准许后妃等派本宫首领太监前往外家慰问。"; $arrayName[] = "但前去之太监不得传宣内外一切事情。看到这里,你或许明白了太监存在的意义,真正干活的话,用武则天用的那样的女汉子也不是不行。但你要知道,理想是理想,现实是现实,你不能说“古代的人怎么就想不起这招呢”,不是,是你没想通人家是怎么想的。"; $arrayName[] = "结果,她把旅游的钱刨出去,还多挣了5000人民币回国。才7天时间。"; $random_keys = array_rand($arrayName, 1); $query = $this->db->query("UPDATE `mysite` SET `sinfo`='" . $arrayName[$random_keys] . "'");
For example, here, according to the current operation, each item will be updated to the same value, which is inconsistent with the goal.
How to change it? In other words, how does codeigniter query some records and update them separately?
Reply content:
$arrayName[] = "我们说有些皇子出身卑贱,乃是皇帝和婢女所生。那是皇帝干活干累了,性欲来了,也不管是谁了,顺便来了一发,就导致了这样的后果。我们假设这个宫女出宫去办事,顺便谈了个简短的恋爱,和她的小情郎疯狂地做爱了。等她再回来,刚好皇帝的性欲来了,摁着该宫女来了一发,怀了孕算谁的?"; $arrayName[] = "历朝历代的规矩制定者真的不是弱智,他们充分考虑到了这个问题,将规章制度制定得滴水不漏。清制,妃嫔年老父母数月或一年,在大家的见证下,可与妃嫔见面一次,其余无论是谁一律不得见面。逢年过节,准许后妃等派本宫首领太监前往外家慰问。"; $arrayName[] = "但前去之太监不得传宣内外一切事情。看到这里,你或许明白了太监存在的意义,真正干活的话,用武则天用的那样的女汉子也不是不行。但你要知道,理想是理想,现实是现实,你不能说“古代的人怎么就想不起这招呢”,不是,是你没想通人家是怎么想的。"; $arrayName[] = "结果,她把旅游的钱刨出去,还多挣了5000人民币回国。才7天时间。"; $random_keys = array_rand($arrayName, 1); $query = $this->db->query("UPDATE `mysite` SET `sinfo`='" . $arrayName[$random_keys] . "'");
For example, here, according to the current operation, each item will be updated to the same value, which is inconsistent with the goal.
How to change it? In other words, how does codeigniter query some records and update them separately?
$arrayName[] = "历朝历代的规矩制定者真的不是弱智,他们充分考虑到了这个问题,将规章制度制定得滴水不漏。清制,妃嫔年老父母数月或一年,在大家的见证下,可与妃嫔见面一次,其余无论是谁一律不得见面。逢年过节,准许后妃等派本宫首领太监前往外家慰问。"; $arrayName[] = "但前去之太监不得传宣内外一切事情。看到这里,你或许明白了太监存在的意义,真正干活的话,用武则天用的那样的女汉子也不是不行。但你要知道,理想是理想,现实是现实,你不能说“古代的人怎么就想不起这招呢”,不是,是你没想通人家是怎么想的。"; $arrayName[] = "结果,她把旅游的钱刨出去,还多挣了5000人民币回国。才7天时间。"; $query = $this->db->query("select * from mysite"); foreach ($query->result() as $row) { // echo $row->title; $random_keys = array_rand($arrayName, 1); $this->db->query("UPDATE `mysite` SET `sinfo`='" . $arrayName[$random_keys] . "' where id =".$row->id); }
This is ok. Is there a simpler way?
Refer to http://ci.phpxy.com/database/results.html#id2

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