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@@ -1,18 +1,20 @@
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<?php
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-# Returns the extension of the filename (path or URI) or an empty string
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+/**
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+ * Returns the extension of the filename (path or URI) or an empty string.
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+ * @return string Extension of the filename starting with a dot.
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+ */
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function getExtension($filename, $isURI = false) {
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- # If $filename is an URI, get only the path component
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- if ($isURI)
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- $filename = parse_url($filename, PHP_URL_PATH);
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+ // If $filename is an URI, get only the path component
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+ if ($isURI===true) $filename = parse_url($filename, PHP_URL_PATH);
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$extension = pathinfo($filename, PATHINFO_EXTENSION);
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- if (!empty($extension))
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- $extension = '.' . $extension;
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+ if (empty($extension)===false) $extension = '.' . $extension;
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return $extension;
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+
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}
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?>
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