?? UTF-8 BOM ??? ??
PHP5? ???? ??? ???? ?? HTML? ???? ??? ?? ???? BOM(Byte Order Mark)? Firefox ???? ???? ???? ?? ???? ???? ???????.
BOM? ????? ? ? ??? ??:
if (substr($t, 0, 3) == b'\xef\xbb\xbf') {
$t = substr($t, 3);
}
?? BOM ??? ??? ?????. ??? Firefox?? ???? ????? BOM? ?? ????? ???? ???.
BOM ??? ?? ?? ??
?? UTF-8 BOM ???? ????? , ?? ??? ?????.
function remove_utf8_bom($text)
{
$bom = pack('H*','EFBBBF');
$text = preg_replace("/^$bom/", '', $text);
return $text;
}
?? Code
- pack('H*','EFBBBF'): ? ?? UTF-8 BOM? ?? ??? ??? ?????.
- preg_replace("/^ $bom/", '', $text): ? ?? ???? ???? ??? ?? ???? BOM ???? ?? ??? ???? ?????(^? ???? ?? ??).
? ??? ???? ??? ??? ???? ????? Firefox?? ??? ??? ?????.
? ??? PHP ??? ???? ?? UTF-8 BOM ???? ????? ????? ??? ?? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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