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<?php
namespace Palmtree\Csv\Util;
class StringUtil
{
const BOM_UTF8 = "\xEF\xBB\xBF";
const BOM_UTF16_BE = "\xFE\xFF";
const BOM_UTF16_LE = "\xFF\xFE";
const BOM_UTF32_BE = "\x00\x00\xFE\xFF";
const BOM_UTF32_LE = "\xFF\xFE\x00\x00";
/**
* Returns whether the given string starts with the given Byte Order Mark.
*
* @param string $input
* @param string $bom
* @return bool
*/
public static function hasBom($input, $bom)
return \strpos($input, $bom) === 0;
}
* Strips a Byte Order Mark from the beginning of a string if it is present.
* @param string $input Data to be stripped of its BOM.
* @return string The stripped input string.
public static function stripBom($input, $bom)
if (self::hasBom($input, $bom)) {
return \substr($input, \strlen($bom));
return $input;
palmtreephp /
csv
