JavaScript
19
Вклад в тег
class Hook {
protected $callbacks;
public function __construct($callbacks = []) {
$this->callbacks = [];
if (!isset($callbacks) || !is_array($callbacks) || sizeof($callbacks)) {
return;
}
foreach ($callbacks as $k => $v) {
if (!is_string($k) || !isset($v) || !is_callable($v)) {
continue;
}
$this->callbacks[$k] = $v;
}
}
public function add($key, $callback) {
if (!isset($key) || !isset($callback) || !is_string($key) || !is_callable($callback)) {
return;
}
$this->callbacks[$key] = $callback;
}
public function remove($key) {
if ($this->exists($key)) {
unset($this->callbacks[$key]);
}
}
public function exists($key) {
return isset($key) && array_key_exists($key, $this->callbacks);
}
public function run($key, ...$args) {
if ($this->exists($key)) {
$func = $this->callbacks[$key];
if (!isset($args) || !is_array($args)) {
$args = [];
}
if (isset($func)) {
$func(...$args);
}
}
}
}
$hook = new Hook();
$hook->add("my_hook", function ($args) {
// todo
});
$hook->run("my_hook");
$hook->run("my_hook", 1, "string", true);<img src="some.svg" alt="svg" /> или в таком духе, ваши события, разумеется, не будут работать, ни в css, ни в js.