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<?php
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/**
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* QuickSkin Extension nvl
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* Insert a default value if variable is empty
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*
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* Usage Example:
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* Content: $template->assign('PREVIEW1', 'picture_21.gif');
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* Template: <img src="{nvl:PREVIEW1,'not_available.gif'}"> / <img src="{nvl:PREVIEW2,'not_available.gif'}">
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* Result: <img src="picture_21.gif"> / <img src="not_available.gif">
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*
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* @author Andy Prevost andy@codeworxtech.com - original by Philipp v. Criegern philipp@criegern.de
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*/
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function qx_nvl ( $param, $default ) {
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if (strlen($param)) {
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return ( $param );
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} else {
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return ( $default );
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}
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}
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?>
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