织梦之Unicode转utf8_PHP教程_编程技术
2013-12-25 09:44:48
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//Unicode转utf8
function u2utf8($c) {
for ($i = 0;$i < count($c);$i++)
$str = "";
if ($c < 0x80) {
$str .= $c;
} else if ($c < 0x800) {
$str .= (0xC0 | $c >> 6);
$str .= (0x80 | $c & 0x3F);
} else if ($c < 0x10000) {
$str .= (0xE0 | $c >> 12);
$str .= (0x80 | $c >> 6 & 0x3F);
$str .= (0x80 | $c & 0x3F);
} else if ($c < 0x200000) {
$str .= (0xF0 | $c >> 18);
$str .= (0x80 | $c >> 12 & 0x3F);
$str .= (0x80 | $c >> 6 & 0x3F);
$str .= (0x80 | $c & 0x3F);
}
return $str;
}
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