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   1  <?php
   2  
   3  /** PHPExcel root directory */
   4  if (!defined('PHPEXCEL_ROOT')) {
   5      /**
   6       * @ignore
   7       */
   8      define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
   9      require (PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
  10  }
  11  
  12  /**
  13   * PHPExcel_Cell_DefaultValueBinder
  14   *
  15   * Copyright (c) 2006 - 2015 PHPExcel
  16   *
  17   * This library is free software; you can redistribute it and/or
  18   * modify it under the terms of the GNU Lesser General Public
  19   * License as published by the Free Software Foundation; either
  20   * version 2.1 of the License, or (at your option) any later version.
  21   *
  22   * This library is distributed in the hope that it will be useful,
  23   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25   * Lesser General Public License for more details.
  26   *
  27   * You should have received a copy of the GNU Lesser General Public
  28   * License along with this library; if not, write to the Free Software
  29   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  30   *
  31   * @category   PHPExcel
  32   * @package    PHPExcel_Cell
  33   * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
  34   * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
  35   * @version    ##VERSION##, ##DATE##
  36   */
  37  class PHPExcel_Cell_DefaultValueBinder implements PHPExcel_Cell_IValueBinder
  38  {
  39      /**
  40       * Bind value to a cell
  41       *
  42       * @param  PHPExcel_Cell  $cell   Cell to bind value to
  43       * @param  mixed          $value  Value to bind in cell
  44       * @return boolean
  45       */
  46      public function bindValue(PHPExcel_Cell $cell, $value = null)
  47      {
  48          // sanitize UTF-8 strings
  49          if (is_string($value)) {
  50              $value = PHPExcel_Shared_String::SanitizeUTF8($value);
  51          } elseif (is_object($value)) {
  52              // Handle any objects that might be injected
  53              if ($value instanceof DateTime) {
  54                  $value = $value->format('Y-m-d H:i:s');
  55              } elseif (!($value instanceof PHPExcel_RichText)) {
  56                  $value = (string) $value;
  57              }
  58          }
  59  
  60          // Set value explicit
  61          $cell->setValueExplicit($value, self::dataTypeForValue($value));
  62  
  63          // Done!
  64          return true;
  65      }
  66  
  67      /**
  68       * DataType for value
  69       *
  70       * @param   mixed  $pValue
  71       * @return  string
  72       */
  73      public static function dataTypeForValue($pValue = null)
  74      {
  75          // Match the value against a few data types
  76          if ($pValue === null) {
  77              return PHPExcel_Cell_DataType::TYPE_NULL;
  78          } elseif ($pValue === '') {
  79              return PHPExcel_Cell_DataType::TYPE_STRING;
  80          } elseif ($pValue instanceof PHPExcel_RichText) {
  81              return PHPExcel_Cell_DataType::TYPE_INLINE;
  82          } elseif ($pValue{0} === '=' && strlen($pValue) > 1) {
  83              return PHPExcel_Cell_DataType::TYPE_FORMULA;
  84          } elseif (is_bool($pValue)) {
  85              return PHPExcel_Cell_DataType::TYPE_BOOL;
  86          } elseif (is_float($pValue) || is_int($pValue)) {
  87              return PHPExcel_Cell_DataType::TYPE_NUMERIC;
  88          } elseif (preg_match('/^[\+\-]?([0-9]+\\.?[0-9]*|[0-9]*\\.?[0-9]+)([Ee][\-\+]?[0-2]?\d{1,3})?$/', $pValue)) {
  89              $tValue = ltrim($pValue, '+-');
  90              if (is_string($pValue) && $tValue{0} === '0' && strlen($tValue) > 1 && $tValue{1} !== '.') {
  91                  return PHPExcel_Cell_DataType::TYPE_STRING;
  92              } elseif ((strpos($pValue, '.') === false) && ($pValue > PHP_INT_MAX)) {
  93                  return PHPExcel_Cell_DataType::TYPE_STRING;
  94              }
  95              return PHPExcel_Cell_DataType::TYPE_NUMERIC;
  96          } elseif (is_string($pValue) && array_key_exists($pValue, PHPExcel_Cell_DataType::getErrorCodes())) {
  97              return PHPExcel_Cell_DataType::TYPE_ERROR;
  98          }
  99  
 100          return PHPExcel_Cell_DataType::TYPE_STRING;
 101      }
 102  }