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<?php namespace PhpOffice\PhpSpreadsheet\Calculation\Statistical; use PhpOffice\PhpSpreadsheet\Calculation\Functions; class Counts extends AggregateBase { /** * COUNT. * * Counts the number of cells that contain numbers within the list of arguments * * Excel Function: * COUNT(value1[,value2[, ...]]) * * @param mixed ...$args Data values * * @return int */ public static function COUNT(...$args) { $returnValue = 0; // Loop through arguments $aArgs = Functions::flattenArrayIndexed($args); foreach ($aArgs as $k => $arg) { $arg = self::testAcceptedBoolean($arg, $k); // Is it a numeric value? // Strings containing numeric values are only counted if they are string literals (not cell values) // and then only in MS Excel and in Open Office, not in Gnumeric if (self::isAcceptedCountable($arg, $k)) { ++$returnValue; } } return $returnValue; } /** * COUNTA. * * Counts the number of cells that are not empty within the list of arguments * * Excel Function: * COUNTA(value1[,value2[, ...]]) * * @param mixed ...$args Data values * * @return int */ public static function COUNTA(...$args) { $returnValue = 0; // Loop through arguments $aArgs = Functions::flattenArrayIndexed($args); foreach ($aArgs as $k => $arg) { // Nulls are counted if literals, but not if cell values if ($arg !== null || (!Functions::isCellValue($k))) { ++$returnValue; } } return $returnValue; } /** * COUNTBLANK. * * Counts the number of empty cells within the list of arguments * * Excel Function: * COUNTBLANK(value1[,value2[, ...]]) * * @param mixed ...$args Data values * * @return int */ public static function COUNTBLANK(...$args) { $returnValue = 0; // Loop through arguments $aArgs = Functions::flattenArray($args); foreach ($aArgs as $arg) { // Is it a blank cell? if (($arg === null) || ((is_string($arg)) && ($arg == ''))) { ++$returnValue; } } return $returnValue; } }