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17 lines
233 B
PHP
17 lines
233 B
PHP
<?php
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/**
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* Basic math functions.
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*
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* PHP version 5
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*
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* @category Math
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* @package PHPSkills
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* @author Jeff Moser <jeff@moserware.com>
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* @copyright 2010 Jeff Moser
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*/
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function square($x)
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{
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return $x * $x;
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}
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?>
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