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<?php
namespace Illuminate\Support\Traits;
use Closure;
use BadMethodCallException;
trait Macroable
{
/**
* The registered string macros.
*
* @var array
*/
protected static $macros = [];
/**
* Register a custom macro.
*
* @param string $name
* @param callable $macro
* @return void
*/
public static function macro($name, callable $macro)
{
static::$macros[$name] = $macro;
}
/**
* Checks if macro is registered.
*
* @param string $name
* @return bool
*/
public static function hasMacro($name)
{
return isset(static::$macros[$name]);
}
/**
* Dynamically handle calls to the class.
*
* @param string $method
* @param array $parameters
* @return mixed
*
* @throws \BadMethodCallException
*/
public static function __callStatic($method, $parameters)
{
if (! static::hasMacro($method)) {
throw new BadMethodCallException("Method {$method} does not exist.");
}
if (static::$macros[$method] instanceof Closure) {
return call_user_func_array(Closure::bind(static::$macros[$method], null, static::class), $parameters);
}
return call_user_func_array(static::$macros[$method], $parameters);
}
/**
* Dynamically handle calls to the class.
*
* @param string $method
* @param array $parameters
* @return mixed
*
* @throws \BadMethodCallException
*/
public function __call($method, $parameters)
{
if (! static::hasMacro($method)) {
throw new BadMethodCallException("Method {$method} does not exist.");
}
if (static::$macros[$method] instanceof Closure) {
return call_user_func_array(static::$macros[$method]->bindTo($this, static::class), $parameters);
}
return call_user_func_array(static::$macros[$method], $parameters);
}
}
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