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<?php

namespace Docker;

use Docker\Exception;

/**

* Docker\PortCollection

*/

class PortCollection implements PortSpecInterface

{

/**

* @var array

*/

private $ports;

/**

* @param integer|string ...$ports

*/

public function __construct()

{

$args = func_get_args();

foreach ($args as $port) {

if ($port instanceof Port) {

$this->add($port);

} elseif (is_string($port) || is_integer($port)) {

$this->add(new Port($port));

} else {

throw new Exception('Invalid port definition "('.gettype($port).') '.var_export($port, true).'"');

}

}

}

/**

* @return array

*/

public function toSpec()

{

$spec = [];

foreach ($this->ports as $port) {

$spec = array_merge($spec, $port->toSpec());

}

return $spec;

}

/**

* @return array

*/

public function toExposedPorts()

{

$exposed = [];

foreach ($this->ports as $port) {

$exposed = array_merge($exposed, $port->toExposedPorts());

}

return $exposed;

}

/**

* @param Docker\Port

*

* @return PortCollection

*/

public function add(Port $port)

{

$this->ports[] = $port;

return $this;

}

/**

* @return array

*/

public function all()

{

return $this->ports;

}

}