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<?php
/**
* Class MC4WP_Service_Container
*
* @access private
* @ignore
*/
class MC4WP_Container implements ArrayAccess {
/**
* @var array
*/
protected $services = array();
/**
* @var array
*/
protected $resolved_services = array();
/**
* @param $name
* @return boolean
*/
public function has( $name ) {
return isset( $this->services[ $name ] );
}
/**
* @param $name
*
* @return mixed
* @throws Exception
*/
public function get( $name ) {
if ( ! $this->has( $name ) ) {
throw new Exception( sprintf( 'No service named %s was registered.', $name ) );
}
$service = $this->services[ $name ];
// is this a resolvable service?
if ( is_callable( $service ) ) {
// resolve service if it's not resolved yet
if ( ! isset( $this->resolved_services[ $name ] ) ) {
$this->resolved_services[ $name ] = call_user_func( $service );
}
return $this->resolved_services[ $name ];
}
return $this->services[ $name ];
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Whether a offset exists
* @link http://php.net/manual/en/arrayaccess.offsetexists.php
*
* @param mixed $offset <p>
* An offset to check for.
* </p>
*
* @return boolean true on success or false on failure.
* </p>
* <p>
* The return value will be casted to boolean if non-boolean was returned.
*/
public function offsetExists( $offset ) {
return $this->has( $offset );
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Offset to retrieve
* @link http://php.net/manual/en/arrayaccess.offsetget.php
*
* @param mixed $offset <p>
* The offset to retrieve.
* </p>
*
* @return mixed Can return all value types.
*/
public function offsetGet( $offset ) {
return $this->get( $offset );
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Offset to set
* @link http://php.net/manual/en/arrayaccess.offsetset.php
*
* @param mixed $offset <p>
* The offset to assign the value to.
* </p>
* @param mixed $value <p>
* The value to set.
* </p>
*
* @return void
*/
public function offsetSet( $offset, $value ) {
$this->services[ $offset ] = $value;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Offset to unset
* @link http://php.net/manual/en/arrayaccess.offsetunset.php
*
* @param mixed $offset <p>
* The offset to unset.
* </p>
*
* @return void
*/
public function offsetUnset( $offset ) {
unset( $this->services[ $offset ] );
}
}
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