substr() function Chinese version_PHP tutorial

substr() function Chinese version The ordinary substr() function can obtain a substring of a specified length of a string, but when encountering Chinese, garbled characters may be generated at the end of the new string. The following function converts a string longer than $len into a string with "... "End, and remove the garbled characters.

Usage: $new = getsubstring($old,20);

function getsubstring($str,$len)
{
for($i = 0;$i <$end;$i++)
{
if ($i >=0 AND $i <$end)
{
if(ord(substr($str,$i, 1)) > 0xa1)
$result_str.=substr($str,$i,2);
else
$result_str.=substr($str,$i,1);
}
                                                                                                                                                  🎜>          return $result_str;                                               



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http: //www.bkjia.com/PHPjc/314531.htmlTechArticlesubstr() function Chinese version The ordinary substr() function can obtain the specified length substring of a string, but When encountering Chinese, garbled characters may be generated at the end of the new string. The following function will exceed...