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PHPExcel-1.8-aleluya/Classes/PHPExcel/Calculation/Functions.php.bk-aleluya

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<?php
/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
/**
* @ignore
*/
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}
/** MAX_VALUE */
define('MAX_VALUE', 1.2e308);
/** 2 / PI */
define('M_2DIVPI', 0.63661977236758134307553505349006);
/** MAX_ITERATIONS */
define('MAX_ITERATIONS', 256);
/** PRECISION */
define('PRECISION', 8.88E-016);
/**
* PHPExcel_Calculation_Functions
*
* Copyright (c) 2006 - 2015 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Calculation
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
class PHPExcel_Calculation_Functions
{
/** constants */
const COMPATIBILITY_EXCEL = 'Excel';
const COMPATIBILITY_GNUMERIC = 'Gnumeric';
const COMPATIBILITY_OPENOFFICE = 'OpenOfficeCalc';
const RETURNDATE_PHP_NUMERIC = 'P';
const RETURNDATE_PHP_OBJECT = 'O';
const RETURNDATE_EXCEL = 'E';
/**
* Compatibility mode to use for error checking and responses
*
* @access private
* @var string
*/
protected static $compatibilityMode = self::COMPATIBILITY_EXCEL;
/**
* Data Type to use when returning date values
*
* @access private
* @var string
*/
protected static $returnDateType = self::RETURNDATE_EXCEL;
/**
* List of error codes
*
* @access private
* @var array
*/
protected static $errorCodes = array(
'null' => '#NULL!',
'divisionbyzero' => '#DIV/0!',
'value' => '#VALUE!',
'reference' => '#REF!',
'name' => '#NAME?',
'num' => '#NUM!',
'na' => '#N/A',
'gettingdata' => '#GETTING_DATA'
);
/**
* Set the Compatibility Mode
*
* @access public
* @category Function Configuration
* @param string $compatibilityMode Compatibility Mode
* Permitted values are:
* PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL 'Excel'
* PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC 'Gnumeric'
* PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc'
* @return boolean (Success or Failure)
*/
public static function setCompatibilityMode($compatibilityMode)
{
if (($compatibilityMode == self::COMPATIBILITY_EXCEL) ||
($compatibilityMode == self::COMPATIBILITY_GNUMERIC) ||
($compatibilityMode == self::COMPATIBILITY_OPENOFFICE)) {
self::$compatibilityMode = $compatibilityMode;
return true;
}
return false;
}
/**
* Return the current Compatibility Mode
*
* @access public
* @category Function Configuration
* @return string Compatibility Mode
* Possible Return values are:
* PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL 'Excel'
* PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC 'Gnumeric'
* PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc'
*/
public static function getCompatibilityMode()
{
return self::$compatibilityMode;
}
/**
* Set the Return Date Format used by functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object)
*
* @access public
* @category Function Configuration
* @param string $returnDateType Return Date Format
* Permitted values are:
* PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC 'P'
* PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT 'O'
* PHPExcel_Calculation_Functions::RETURNDATE_EXCEL 'E'
* @return boolean Success or failure
*/
public static function setReturnDateType($returnDateType)
{
if (($returnDateType == self::RETURNDATE_PHP_NUMERIC) ||
($returnDateType == self::RETURNDATE_PHP_OBJECT) ||
($returnDateType == self::RETURNDATE_EXCEL)) {
self::$returnDateType = $returnDateType;
return true;
}
return false;
}
/**
* Return the current Return Date Format for functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object)
*
* @access public
* @category Function Configuration
* @return string Return Date Format
* Possible Return values are:
* PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC 'P'
* PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT 'O'
* PHPExcel_Calculation_Functions::RETURNDATE_EXCEL 'E'
*/
public static function getReturnDateType()
{
return self::$returnDateType;
}
/**
* DUMMY
*
* @access public
* @category Error Returns
* @return string #Not Yet Implemented
*/
public static function DUMMY()
{
return '#Not Yet Implemented';
}
/**
* DIV0
*
* @access public
* @category Error Returns
* @return string #Not Yet Implemented
*/
public static function DIV0()
{
return self::$errorCodes['divisionbyzero'];
}
/**
* NA
*
* Excel Function:
* =NA()
*
* Returns the error value #N/A
* #N/A is the error value that means "no value is available."
*
* @access public
* @category Logical Functions
* @return string #N/A!
*/
public static function NA()
{
return self::$errorCodes['na'];
}
/**
* NaN
*
* Returns the error value #NUM!
*
* @access public
* @category Error Returns
* @return string #NUM!
*/
public static function NaN()
{
return self::$errorCodes['num'];
}
/**
* NAME
*
* Returns the error value #NAME?
*
* @access public
* @category Error Returns
* @return string #NAME?
*/
public static function NAME()
{
return self::$errorCodes['name'];
}
/**
* REF
*
* Returns the error value #REF!
*
* @access public
* @category Error Returns
* @return string #REF!
*/
public static function REF()
{
return self::$errorCodes['reference'];
}
/**
* NULL
*
* Returns the error value #NULL!
*
* @access public
* @category Error Returns
* @return string #NULL!
*/
public static function NULL()
{
return self::$errorCodes['null'];
}
/**
* VALUE
*
* Returns the error value #VALUE!
*
* @access public
* @category Error Returns
* @return string #VALUE!
*/
public static function VALUE()
{
return self::$errorCodes['value'];
}
public static function isMatrixValue($idx)
{
return ((substr_count($idx, '.') <= 1) || (preg_match('/\.[A-Z]/', $idx) > 0));
}
public static function isValue($idx)
{
return (substr_count($idx, '.') == 0);
}
public static function isCellValue($idx)
{
return (substr_count($idx, '.') > 1);
}
public static function ifCondition($condition)
{
$condition = PHPExcel_Calculation_Functions::flattenSingleValue($condition);
if (!isset($condition{0})) {
$condition = '=""';
}
if (!in_array($condition{0}, array('>', '<', '='))) {
if (!is_numeric($condition)) {
$condition = PHPExcel_Calculation::wrapResult(strtoupper($condition));
}
return '=' . $condition;
} else {
preg_match('/([<>=]+)(.*)/', $condition, $matches);
list(, $operator, $operand) = $matches;
if (!is_numeric($operand)) {
$operand = str_replace('"', '""', $operand);
$operand = PHPExcel_Calculation::wrapResult(strtoupper($operand));
}
return $operator.$operand;
}
}
/**
* ERROR_TYPE
*
* @param mixed $value Value to check
* @return boolean
*/
public static function ERROR_TYPE($value = '')
{
$value = self::flattenSingleValue($value);
$i = 1;
foreach (self::$errorCodes as $errorCode) {
if ($value === $errorCode) {
return $i;
}
++$i;
}
return self::NA();
}
/**
* IS_BLANK
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_BLANK($value = null)
{
if (!is_null($value)) {
$value = self::flattenSingleValue($value);
}
return is_null($value);
}
/**
* IS_ERR
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_ERR($value = '')
{
$value = self::flattenSingleValue($value);
return self::IS_ERROR($value) && (!self::IS_NA($value));
}
/**
* IS_ERROR
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_ERROR($value = '')
{
$value = self::flattenSingleValue($value);
if (!is_string($value)) {
return false;
}
return in_array($value, array_values(self::$errorCodes));
}
/**
* IS_NA
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_NA($value = '')
{
$value = self::flattenSingleValue($value);
return ($value === self::NA());
}
/**
* IS_EVEN
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_EVEN($value = null)
{
$value = self::flattenSingleValue($value);
if ($value === null) {
return self::NAME();
} elseif ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value)))) {
return self::VALUE();
}
return ($value % 2 == 0);
}
/**
* IS_ODD
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_ODD($value = null)
{
$value = self::flattenSingleValue($value);
if ($value === null) {
return self::NAME();
} elseif ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value)))) {
return self::VALUE();
}
return (abs($value) % 2 == 1);
}
/**
* IS_NUMBER
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_NUMBER($value = null)
{
$value = self::flattenSingleValue($value);
if (is_string($value)) {
return false;
}
return is_numeric($value);
}
/**
* IS_LOGICAL
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_LOGICAL($value = null)
{
$value = self::flattenSingleValue($value);
return is_bool($value);
}
/**
* IS_TEXT
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_TEXT($value = null)
{
$value = self::flattenSingleValue($value);
return (is_string($value) && !self::IS_ERROR($value));
}
/**
* IS_NONTEXT
*
* @param mixed $value Value to check
* @return boolean
*/
public static function IS_NONTEXT($value = null)
{
return !self::IS_TEXT($value);
}
/**
* VERSION
*
* @return string Version information
*/
public static function VERSION()
{
return 'PHPExcel ##VERSION##, ##DATE##';
}
/**
* N
*
* Returns a value converted to a number
*
* @param value The value you want converted
* @return number N converts values listed in the following table
* If value is or refers to N returns
* A number That number
* A date The serial number of that date
* TRUE 1
* FALSE 0
* An error value The error value
* Anything else 0
*/
public static function N($value = null)
{
while (is_array($value)) {
$value = array_shift($value);
}
switch (gettype($value)) {
case 'double':
case 'float':
case 'integer':
return $value;
case 'boolean':
return (integer) $value;
case 'string':
// Errors
if ((strlen($value) > 0) && ($value{0} == '#')) {
return $value;
}
break;
}
return 0;
}
/**
* TYPE
*
* Returns a number that identifies the type of a value
*
* @param value The value you want tested
* @return number N converts values listed in the following table
* If value is or refers to N returns
* A number 1
* Text 2
* Logical Value 4
* An error value 16
* Array or Matrix 64
*/
public static function TYPE($value = null)
{
$value = self::flattenArrayIndexed($value);
if (is_array($value) && (count($value) > 1)) {
end($value);
$a = key($value);
// Range of cells is an error
if (self::isCellValue($a)) {
return 16;
// Test for Matrix
} elseif (self::isMatrixValue($a)) {
return 64;
}
} elseif (empty($value)) {
// Empty Cell
return 1;
}
$value = self::flattenSingleValue($value);
if (($value === null) || (is_float($value)) || (is_int($value))) {
return 1;
} elseif (is_bool($value)) {
return 4;
} elseif (is_array($value)) {
return 64;
} elseif (is_string($value)) {
// Errors
if ((strlen($value) > 0) && ($value{0} == '#')) {
return 16;
}
return 2;
}
return 0;
}
/**
* Convert a multi-dimensional array to a simple 1-dimensional array
*
* @param array $array Array to be flattened
* @return array Flattened array
*/
public static function flattenArray($array)
{
if (!is_array($array)) {
return (array) $array;
}
$arrayValues = array();
foreach ($array as $value) {
if (is_array($value)) {
foreach ($value as $val) {
if (is_array($val)) {
foreach ($val as $v) {
$arrayValues[] = $v;
}
} else {
$arrayValues[] = $val;
}
}
} else {
$arrayValues[] = $value;
}
}
return $arrayValues;
}
/**
* Convert a multi-dimensional array to a simple 1-dimensional array, but retain an element of indexing
*
* @param array $array Array to be flattened
* @return array Flattened array
*/
public static function flattenArrayIndexed($array)
{
if (!is_array($array)) {
return (array) $array;
}
$arrayValues = array();
foreach ($array as $k1 => $value) {
if (is_array($value)) {
foreach ($value as $k2 => $val) {
if (is_array($val)) {
foreach ($val as $k3 => $v) {
$arrayValues[$k1.'.'.$k2.'.'.$k3] = $v;
}
} else {
$arrayValues[$k1.'.'.$k2] = $val;
}
}
} else {
$arrayValues[$k1] = $value;
}
}
return $arrayValues;
}
/**
* Convert an array to a single scalar value by extracting the first element
*
* @param mixed $value Array or scalar value
* @return mixed
*/
public static function flattenSingleValue($value = '')
{
while (is_array($value)) {
$value = array_pop($value);
}
return $value;
}
}
//
// There are a few mathematical functions that aren't available on all versions of PHP for all platforms
// These functions aren't available in Windows implementations of PHP prior to version 5.3.0
// So we test if they do exist for this version of PHP/operating platform; and if not we create them
//
if (!function_exists('acosh')) {
function acosh($x)
{
return 2 * log(sqrt(($x + 1) / 2) + sqrt(($x - 1) / 2));
} // function acosh()
}
if (!function_exists('asinh')) {
function asinh($x)
{
return log($x + sqrt(1 + $x * $x));
} // function asinh()
}
if (!function_exists('atanh')) {
function atanh($x)
{
return (log(1 + $x) - log(1 - $x)) / 2;
} // function atanh()
}
//
// Strangely, PHP doesn't have a mb_str_replace multibyte function
// As we'll only ever use this function with UTF-8 characters, we can simply "hard-code" the character set
//
if ((!function_exists('mb_str_replace')) &&
(function_exists('mb_substr')) && (function_exists('mb_strlen')) && (function_exists('mb_strpos'))) {
function mb_str_replace($search, $replace, $subject)
{
if (is_array($subject)) {
$ret = array();
foreach ($subject as $key => $val) {
$ret[$key] = mb_str_replace($search, $replace, $val);
}
return $ret;
}
foreach ((array) $search as $key => $s) {
if ($s == '' && $s !== 0) {
continue;
}
$r = !is_array($replace) ? $replace : (array_key_exists($key, $replace) ? $replace[$key] : '');
$pos = mb_strpos($subject, $s, 0, 'UTF-8');
while ($pos !== false) {
$subject = mb_substr($subject, 0, $pos, 'UTF-8') . $r . mb_substr($subject, $pos + mb_strlen($s, 'UTF-8'), 65535, 'UTF-8');
$pos = mb_strpos($subject, $s, $pos + mb_strlen($r, 'UTF-8'), 'UTF-8');
}
}
return $subject;
}
}