显示表仅获取表的姓氏

Question

I'm trying to show the name of table in my database. I write this code :

   function affiche_liste()
{   
$db=new PDO('mysql:host=localhost;dbname=testf','root','');
    $result = $db->query("SHOW TABLES");
       foreach($result->fetch(PDO::FETCH_NUM) as $data) {
            $tableList = $data[0];
        }
        return $tableList;
}

It give to me only the last table ?

Answer 1

For a simple query without parameters and the SQL hard coded you can use a generic function passing the connection and SQL to the function. The following function () returns an array containing all rows in the result set.

function queryAll($db,$query){  
    $sth = $db->query($query);
    $result = $sth->fetchAll(PDO::FETCH_NUM);
    return $result;
}

For a simple query without parameters and the SQL hard coded you can use a generic function passing the connection and SQL to the function. The following function () returns an array containing all rows in the result set.

function queryAll($db,$query){  
    $sth = $db->query($query);
    $result = $sth->fetchAll(PDO::FETCH_NUM);
    return $result;
}

$db=new PDO('mysql:host=localhost;dbname=testf','root',''); 
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = "SHOW TABLES";
$tables = queryAll($db,$query);
print_r($tables);   

Answer 2

Each time you are looping through the results, your are overwriting the variable tableList . Instead, you need to append to an array of results.

function affiche_liste()
{   
    $db=new PDO('mysql:host=localhost;dbname=testf','root','');
    $result = $db->query("SHOW TABLES");
    $tableList = array();
    foreach($result->fetch(PDO::FETCH_NUM) as $data) {
        array_push($tableList, $data[0]);
    }
    return $tableList;
}

Answer 3

try this `

function affiche_liste()
{$db=new PDO('mysql:host=localhost;dbname=testf','root','');
    $result = $db->query("SHOW TABLES");
       foreach($result->fetch(PDO::FETCH_NUM) as $data) {
            $tableList[] = $data[0];
        }
        return $tableList;
}

`

i hope it'll work... here your array is overwitting every time...that's the reason you were getting the last table name....so you need to append to the existing array...