<?php
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namespace PhpOffice\PhpSpreadsheet\Calculation\Statistical;
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use PhpOffice\PhpSpreadsheet\Calculation\Functions;
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use PhpOffice\PhpSpreadsheet\Calculation\Information\ErrorValue;
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class Maximum extends MaxMinBase
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{
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/**
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* MAX.
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*
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* MAX returns the value of the element of the values passed that has the highest value,
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* with negative numbers considered smaller than positive numbers.
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*
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* Excel Function:
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* MAX(value1[,value2[, ...]])
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*
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* @param mixed ...$args Data values
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*/
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public static function max(mixed ...$args): float|int|string
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{
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$returnValue = null;
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// Loop through arguments
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$aArgs = Functions::flattenArray($args);
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foreach ($aArgs as $arg) {
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if (ErrorValue::isError($arg)) {
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$returnValue = $arg;
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break;
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}
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// Is it a numeric value?
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if ((is_numeric($arg)) && (!is_string($arg))) {
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if (($returnValue === null) || ($arg > $returnValue)) {
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$returnValue = $arg;
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}
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}
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}
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if ($returnValue === null) {
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return 0;
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}
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return $returnValue;
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}
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/**
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* MAXA.
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*
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* Returns the greatest value in a list of arguments, including numbers, text, and logical values
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*
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* Excel Function:
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* MAXA(value1[,value2[, ...]])
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*
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* @param mixed ...$args Data values
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*/
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public static function maxA(mixed ...$args): float|int|string
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{
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$returnValue = null;
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// Loop through arguments
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$aArgs = Functions::flattenArray($args);
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foreach ($aArgs as $arg) {
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if (ErrorValue::isError($arg)) {
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$returnValue = $arg;
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break;
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}
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// Is it a numeric value?
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if ((is_numeric($arg)) || (is_bool($arg)) || ((is_string($arg) && ($arg != '')))) {
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$arg = self::datatypeAdjustmentAllowStrings($arg);
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if (($returnValue === null) || ($arg > $returnValue)) {
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$returnValue = $arg;
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}
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}
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}
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if ($returnValue === null) {
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return 0;
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}
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return $returnValue;
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}
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}
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