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Edit File: BuiltIn.php
<?php class PHPExcel_Reader_Excel5_Color_BuiltIn { protected static $map = array( 0x00 => '000000', 0x01 => 'FFFFFF', 0x02 => 'FF0000', 0x03 => '00FF00', 0x04 => '0000FF', 0x05 => 'FFFF00', 0x06 => 'FF00FF', 0x07 => '00FFFF', 0x40 => '000000', // system window text color 0x41 => 'FFFFFF', // system window background color ); /** * Map built-in color to RGB value * * @param int $color Indexed color * @return array */ public static function lookup($color) { if (isset(self::$map[$color])) { return array('rgb' => self::$map[$color]); } return array('rgb' => '000000'); } }