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