错误信息是:
FATAL ERROR Uncaught Error: Cannot unpack array with string keys
我知道可以简单地运行 fetch()
方法两次并传递 ['q']
和 ['bind']
,但我正试图掌握使用新的 ...
解包值的方法。我想这样传递这些值:
(string) SQL, (Array) Bind Values
但我认为它试图解包绑定值数组以及来自fetch()
方法的响应数组。是否可能解包此数组?
它看起来像这样:
array(2) {
["q"] => string(7) "example"
["bind"] => array(1) {
["example"] => string(3) "one"
}
}
这是整个代码,如果您需要查看如何配合使用,请参考:
class ModelController {
public static function execute($sql, $vals) {
var_dump($vals);
}
}
class ModelContainer {
private $queries = [];
public function add_model(Model $model, $name) {
$this->queries[$name] = $model;
return $this;
}
public function exec_all() {
foreach($this->queries as $q) {
ModelController::execute(...$q->fetch());
}
}
public function exec($name) {
}
}
class Model {
private $sql;
private $vals = [];
public function set_q($statement) {
$this->sql = $statement;
return $this;
}
public function bind($vals = []) {
$this->vals = $vals;
return $this;
}
public function fetch() {
return ['q' => (string)$this->sql,
'bind' => $this->vals ];
}
}
$m = new ModelContainer();
$m->add_model((new Model)->set_q('example SQL content here')->bind(['example' => 'example value here']), 'one');
$m->exec_all();
$values = array_values($q->fetch()); ModelController::execute(...$values)
- apokryfosarray_values()
与解包有什么关系吗?感谢@apokryfos。 - Jaquarh