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27 lines
580 B
PHP
27 lines
580 B
PHP
<?php
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/**
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* This function calculates
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* The median value of
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* numbers provided
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*
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* @param decimal $numbers A variable sized number input
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* @return decimal $median Median of provided numbers
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* @throws \Exception
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*/
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function median(...$numbers)
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{
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if (empty($numbers)) {
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throw new \Exception('Please pass values to find mean value');
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}
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sort($numbers);
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$length = count($numbers);
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$middle = ceil($length / 2);
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if ($length % 2 == 0) {
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return ($numbers[$middle] + $numbers[$middle - 1]) / 2;
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}
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return $numbers[$middle - 1];
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}
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