MySQL和push查询数组在一起
我这里有这个密码MySQL和push查询数组在一起,mysql,sql,arrays,array-push,Mysql,Sql,Arrays,Array Push,我这里有这个密码 $sql_array = array(); if($result['user_id'] == 'OA'){ $sql = "select distinct id, FirstName, LastName from table_one ti left join table_two sp on (sp.user_id = ti.id) or (sp.user_id = ti.id)"; $query = $this-&
$sql_array = array();
if($result['user_id'] == 'OA'){
$sql = "select distinct id, FirstName, LastName from table_one ti left join table_two sp on (sp.user_id = ti.id) or (sp.user_id = ti.id)";
$query = $this->db->query($sql);
$results_array = $query->result_array();
$sql_array = array_push($sql_array, $results_array);
}
elseif($result['user_id'] == 'SH'){
$sql = "select distinct id, first_name, last_name from table_three teo left join table_two sp on sp.user_id = teo.id";
$query = $this->db->query($sql);
$results_array = $query->result_array();
$sql_array = array_push($sql_array, $results_array);
}elseif($result['user_id'] == 'OF'){
$sql = "select distinct id, first_name, last_name from table_four os left join table_two sp on sp.user_id = os.id";
$query = $this->db->query($sql);
$results_array = $query->result_array();
$sql_array = array_push($sql_array, $results_array);
}elseif($result['user_id'] == 'US'){
$sql = "select distinct ID, substring_index(display_name, ' ', 1) as 'FirstName', substring_index(display_name, ' ', -1) as 'LastName' from table_five tu left join table_two sp on sp.user_id = tu.id";
$query = $this->db->query($sql);
$results_array = $query->result_array();
$sql_array = array_push($sql_array, $results_array);
}
它将遍历所有$result['user\u id'],并根据$result['user\u id']是什么来查看要运行的查询字符串……通过上面的代码,我得到了一个错误array\u push()期望参数1是数组,给定整数
我做错了什么,或者有更好的方法吗
谢谢,
为什么不使用[]语法呢
if($result['user_id'] == 'OA'){
$sql = "select distinct id, FirstName, LastName from table_one ti left join table_two sp on (sp.user_id = ti.id) or (sp.user_id = ti.id)";
$query = $this->db->query($sql);
$results_array = $query->result_array();
$sql_array[] = $results_array;
}
关于错误原因,这是因为您影响了
array\u push
返回数组变量。问题是array\u push
返回一个整数,因此在循环的第二圈,您将尝试传递一个整数作为array\u push
的第一个参数,您正在用整数值覆盖数组
array\u push()
返回数组中新的元素数
在第一次遇到:
$sql\u array=array\u push($sql\u array,$results\u array)代码>
$sql\u数组
将具有整数值
根据我收集的信息,您希望使用array\u merge()