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33 lines
715 B
PHP
33 lines
715 B
PHP
<?php
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namespace DesignPatterns\Creational\StaticFactory;
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/**
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* Note1: Remember, static => global => evil
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* Note2: Cannot be subclassed or mock-upped or have multiple different instances.
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*/
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class StaticFactory
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{
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/**
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* the parametrized function to get create an instance.
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*
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* @param string $type
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*
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* @static
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*
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* @throws \InvalidArgumentException
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*
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* @return FormatterInterface
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*/
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public static function factory($type)
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{
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$className = __NAMESPACE__.'\Format'.ucfirst($type);
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if (!class_exists($className)) {
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throw new \InvalidArgumentException('Missing format class.');
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}
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return new $className();
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}
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}
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