StackOverflow2013

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10675256
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2012-05-20T16:40:37.253
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2012-05-20T16:40:37.253
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I don't like to beat a dead horse, but still, I'll weigh in here. I wouldn't consider it an anti-pattern; as @Merijn points out, many native PHP functions accept mixed type parameters. Furthermore, many circumstances as your own, require that for succinctness the function accept an element, or a collection, of a given type instead of splitting it over two functions. Casting to <code>(array)</code> is a quick and easy way to achieve this functionality: <pre><code>function printStuff($stuff) { foreach((array) $stuff as $key => $value) { echo sprintf('%d : %s', $key, $value) . PHP_EOL; } } printStuff("foo"); // 0 : foo printStuff(array("foo", "bar", "qux")); // 0 : foo // 1 : bar // 2 : qux </code></pre> Using <code>$foo = (array) $foo;</code> is better1 than <code>$foo = array($foo);</code> as when <code>$foo</code> is already an array, it won't wrap it again. <hr> Reference <ul> <li><a href="http://php.net/manual/en/language.types.type-juggling.php" rel="nofollow">http://php.net/manual/en/language.types.type-juggling.php</a></li> <li><a href="http://www.php.net/manual/en/language.types.array.php#language.types.array.casting" rel="nofollow">http://www.php.net/manual/en/language.types.array.php#language.types.array.casting</a></li> </ul> <hr> 1 Produces the desired results with scalars; objects produce different results. Objects cast to array will enumerate the properties, so use discretion. 
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1. POIs allowing a PHP function variable to be either string or array a pattern or anti-pattern?
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1. PTAnswer
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1. USDan Lugg
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