《PHP編程：PHP PDO fetch 模式各種參數的輸出結果一覽》要點：
本文介紹了PHP編程：PHP PDO fetch 模式各種參數的輸出結果一覽，希望對您有用。如果有疑問，可以聯系我們。
PHP編程PDO 的 fetch 模式功能實在是太便利了,但每次要產生想要的結果都要試太麻煩了,這里列出可能的組合.
代碼如下:
<必修php???
$dbAdapter = new PDO("mysql:host=localhost;dbname=test", "root", "1234");???
$dbAdapter->exec("SET NAMES 'utf8';");????
????
$data = $dbAdapter->query("??
?? SELECT id, name, method FROM category??
")->fetchAll(PDO::FETCH_ASSOC);???
???
//var_dump($data);???
/*??
array(??
?? array(??
?????? 'id' => '1',??
?????? 'name' => 'HBO',??
?????? 'method' => 'service',??
?? ),??
?? array(??
?????? 'id' => '2',??
?????? 'name' => '本周新片',??
?????? 'method' => 'movie',??
?? ),??
?? array(??
?????? 'id' => '3',??
?????? 'name' => '熱映中',??
?????? 'method' => 'movie',??
?? ),??
)??
*/???
???
???
???
$data = $dbAdapter->query("??
?? SELECT name, method FROM category??
")->fetchAll(PDO::FETCH_COLUMN);???
???
//var_dump($data);???
/*??
array(??
?? 'HBO',??
?? '本周新片',??
?? '熱映中',??
)??
*/???
???
???
???
$data = $dbAdapter->query("??
?? SELECT id, name, method FROM category??
")->fetchAll(PDO::FETCH_UNIQUE | PDO::FETCH_ASSOC);???
???
//var_dump($data);???
/*??
array(??
?? '1' => array(??
?????? 'name' => 'HBO',??
?????? 'method' => 'service',??
?? ),??
?? '2' => array(??
?????? 'name' => '本周新片',??
?????? 'method' => 'movie',??
?? ),??
?? '3' => array(??
?????? 'name' => '熱映中',??
?????? 'method' => 'movie',??
?? ),??
)??
*/???
???
???
???
$data = $dbAdapter->query("??
?? SELECT method, id, name FROM category??
")->fetchAll(PDO::FETCH_UNIQUE | PDO::FETCH_ASSOC);???
???
//var_dump($data);???
/*??
array(??
?? 'service' => array(??
?????? 'id' => '1',??
?????? 'name' => 'HBO',??
?? ),??
?? 'movie' => array(??
?????? 'id' => '3',??
?????? 'name' => '熱映中',??
?? ),??
)??
*/???
???
???
???
$data = $dbAdapter->query("??
?? SELECT id, name, method FROM category??
")->fetchAll(PDO::FETCH_UNIQUE | PDO::FETCH_COLUMN);???
???
//var_dump($data);???
/*??
array(??
?? '1' => 'HBO',??
?? '2' => '本周新片',??
?? '3' => '熱映中',??
)??
*/???
???
???
???
$data = $dbAdapter->query("??
?? SELECT method, name, id FROM category??
")->fetchAll(PDO::FETCH_UNIQUE | PDO::FETCH_COLUMN);???
???
//var_dump($data);???
/*??
array(??
?? 'service' => 'HBO',??
?? 'movie' => '熱映中',??
)??
*/???
???
???
???
???
$data = $dbAdapter->query("??
?? SELECT method, id, name FROM category??
")->fetchAll( PDO::FETCH_ASSOC | PDO::FETCH_GROUP);???
???
//var_dump($data);???
/*??
array(??
?? 'service' => array(??
?????? array(??
?????????? 'id' => '1'??
?????????? 'name' => 'HBO'??
?????? ),??
?? )??
?? 'movie' => array(??
?????? array(??
???????? 'id' => '2'??
???????? 'name' => '本周新片'??
?????? ),??
?????? array(??
???????? 'id' => '3'??
???????? 'name' => '熱映中'??
?????? ),??
?? )??
)??
*/???
???
???
???
???
$data = $dbAdapter->query("??
?? SELECT method, name, id FROM category??
")->fetchAll(PDO::FETCH_GROUP | PDO::FETCH_COLUMN);???
???
//var_dump($data);???
/*??
array(??
?? 'service' => array(??
?????? 'HBO'??
?? ),??
?? 'movie' => array(??
?????? '本周新片'??
?????? '熱映中'??
?? ),??
)??
*/???
???
???
???
???
???
$data = $dbAdapter->query("??
?? SELECT id, name, method FROM category??
")->fetchAll(PDO::FETCH_OBJ);???
???
//var_dump($data);???
/*??
array(??
?? stdClass{??
?????? public $id = '1';??
?????? public $name = 'HBO';??
?????? public $method = 'service';??
?? },??
?? stdClass{??
?????? public $id = '2';??
?????? public $name = '本周新片';??
?????? public $method = 'movie';??
?? },??
?? stdClass{??
?????? public $id = '3';??
?????? public $name = '熱映中';??
?????? public $method = 'movie';??
?? },??
)??
*/???
???
???
???
???
???
???
???
class Category_1 {}???
???
$data = $dbAdapter->query("??
?? SELECT id, name, method FROM category??
")->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, "Category_1");???
???
//var_dump($data);???
/*??
array(??
?? Category_1{??
?????? public $id = '1';??
?????? public $name = 'HBO';??
?????? public $method = 'service';??
?? },??
?? Category_1{??
?????? public $id = '2';??
?????? public $name = '本周新片';??
?????? public $method = 'movie';??
?? },??
?? Category_1{??
?????? public $id = '3';??
?????? public $name = '熱映中';??
?????? public $method = 'movie';??
?? },??
),??
*/???
???
???
???
???
???
class Category_2 {???
?? public $name;???
?? public $method;???
???
?? public function __construct() {}???
?? public function __set($name, $value ){}???
}???
???
$data = $dbAdapter->query("??
?? SELECT id, name, method FROM category??
")->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, "Category_2");???
???
//var_dump($data);???
/*??
array(??
?? Category_2{??
?????? public $name = 'HBO';??
?????? public $method = 'service';??
?? },??
?? Category_2{??
?????? public $name = '本周新片';??
?????? public $method = 'movie';??
?? },??
?? Category_2{??
?????? public $name = '熱映中';??
?????? public $method = 'movie';??
?? },??
)??
*/??
歡迎參與《PHP編程：PHP PDO fetch 模式各種參數的輸出結果一覽》討論，分享您的想法，維易PHP學院為您提供專業教程。
轉載請注明本頁網址：
http://www.fzlkiss.com/jiaocheng/12810.html
