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Implement __isset() magic method #26

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Implement __isset() magic method #26

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13 changes: 13 additions & 0 deletions src/Moltin/Cart/Item.php
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,19 @@ public function __get($param)

return array_key_exists($param, $this->data) ? $this->data[$param] : null;
}

/**
* Return the existence of protected methods
*
* @param any $param
* @return mixed
*/
public function __isset($param)
{
if ($param == 'identifier') return true;

return array_key_exists($param, $this->data) ? true : false;
}

/**
* Update data array using set magic method
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