AdvancedValueBinder.php

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<?php
if (!defined('PHPEXCEL_ROOT')) {
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
}

require_once PHPEXCEL_ROOT . 'PHPExcel/Cell.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Cell/IValueBinder.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Cell/DefaultValueBinder.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Style/NumberFormat.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/Date.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/String.php';


class PHPExcel_Cell_AdvancedValueBinder extends PHPExcel_Cell_DefaultValueBinder implements PHPExcel_Cell_IValueBinder
{
        public function bindValue(PHPExcel_Cell $cell, $value = null)
        {
                // sanitize UTF-8 strings
                if (is_string($value)) {
                        $value = PHPExcel_Shared_String::SanitizeUTF8($value);
                }

                // Find out data type
                $dataType = parent::dataTypeForValue($value);
                
                // Style logic - strings
                if ($dataType === PHPExcel_Cell_DataType::TYPE_STRING && !$value instanceof PHPExcel_RichText) {
                        // Check for percentage
                        if (preg_match('/^\-?[0-9]*\.?[0-9]*\s?\%$/', $value)) {
                                // Convert value to number
                                $cell->setValueExplicit( (float)str_replace('%', '', $value) / 100, PHPExcel_Cell_DataType::TYPE_NUMERIC);
                                
                                // Set style
                                $cell->getParent()->getStyle( $cell->getCoordinate() )->getNumberFormat()->setFormatCode( PHPExcel_Style_NumberFormat::FORMAT_PERCENTAGE );
                                
                                return true;
                        }
                        
                        // Check for time e.g. '9:45', '09:45'
                        if (preg_match('/^(\d|[0-1]\d|2[0-3]):[0-5]\d$/', $value)) {
                                list($h, $m) = explode(':', $value);
                                $days = $h / 24 + $m / 1440;
                                
                                // Convert value to number
                                $cell->setValueExplicit($days, PHPExcel_Cell_DataType::TYPE_NUMERIC);
                                
                                // Set style
                                $cell->getParent()->getStyle( $cell->getCoordinate() )->getNumberFormat()->setFormatCode( PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME3 );
                                
                                return true;
                        }
                        
                        // Check for date
                        if (strtotime($value) !== false) {
                                // make sure we have UTC for the sake of strtotime
                                $saveTimeZone = date_default_timezone_get();
                                date_default_timezone_set('UTC');
                                
                                // Convert value to Excel date
                                $cell->setValueExplicit( PHPExcel_Shared_Date::PHPToExcel(strtotime($value)), PHPExcel_Cell_DataType::TYPE_NUMERIC);
                                
                                // Set style
                                $cell->getParent()->getStyle( $cell->getCoordinate() )->getNumberFormat()->setFormatCode( PHPExcel_Style_NumberFormat::FORMAT_DATE_YYYYMMDD2 );
                                
                                // restore original value for timezone
                                date_default_timezone_set($saveTimeZone);
                                
                                return true;
                        }
                }
                
                // Style logic - Numbers
                if ($dataType === PHPExcel_Cell_DataType::TYPE_NUMERIC) {
                        // Leading zeroes?
                        if (preg_match('/^\-?[0]+[0-9]*\.?[0-9]*$/', $value)) {
                                // Convert value to string
                                $cell->setValueExplicit( $value, PHPExcel_Cell_DataType::TYPE_STRING);
                                
                                // Set style
                                $cell->getParent()->getStyle( $cell->getCoordinate() )->getNumberFormat()->setFormatCode( PHPExcel_Style_NumberFormat::FORMAT_TEXT );
                                
                                return true;
                        }
                }
                
                // Not bound yet? Use parent...
                return parent::bindValue($cell, $value);
        }
}