澳门新葡萄京官网注册php 截取中文

?php ?php//截取普通话字符串function mysubstr($str, $start, $len卡塔尔 { $tmpstr
= ; $strlen = $start + $len; for($i = 0; $i $strlen; $i++卡塔尔(قطر‎ {
if(ord(substr($str, $i, 1卡塔尔国卡塔尔(قطر‎ 0xa0卡塔尔 { $tmpstr .= substr($str, $i, 2卡塔尔;
$i++; } else $tmpstr .= substr($str, $i, 1卡塔尔国; } return $tmpstr;}?2.
截取utf8编码的多字节字符串?php ?php//截取utf8字符串function
utf8Substr($str, $from, $lenState of Qatar{ return
preg_replace(”#^(?:[x00-x7F]|[xC0-xFF][x80-xBF]+){0,”.$from.”}”.
”((?:[x00-x7F]|[xC0-xFF][x80-xBF]+){0,”.$len.”}).*#s”,
”$1”,$strState of Qatar;}?3. UTF-8、GB2312都接济的方块字截取函数?php
?php/*Utf-8、gb2312都支持的汉字截取函数cut_str(字符串, 截取长度,
开始长度, 编码State of Qatar;编码默感觉 utf-8起头长度默以为 0*/function
cut_str($string, $sublen, $start = 0, $code = ”UTF-8”){ if($code ==
”UTF-8”) { $pa =
/[x01-x7f]|[xc2-xdf][x80-xbf]|xe0[xa0-xbf][x80-xbf]|[xe1-xef][x80-xbf][x80-xbf]|xf0[x90-xbf][x80-xbf][x80-xbf]|[xf1-xf7][x80-xbf][x80-xbf][x80-xbf]/;
preg_match_all($pa, $string, $t_string); if(count($t_string[0]) –
$start $sublen) return join(””, array_slice($t_string[0], $start,
$sublen))….; return join(””, array_slice($t_string[0], $start,

PHP 截取字符串专项论题小编: 不详 来源: 不详1.
截取GB2312汉语字符串?php//截取粤语字符串function mysubstr($str, $start,
$len卡塔尔国 { $tmpstr = ; $strlen = $start + $len; for($i = 0; $i $strlen;
$i++卡塔尔国 { if(ord(substr($str, $i, 1卡塔尔国State of Qatar 0xa0卡塔尔 { $tmpstr .= substr($str, $i,
2卡塔尔(قطر‎; $i++; } else $tmpstr .= substr($str, $i, 1卡塔尔; } return $tmpstr;}?2.
截取utf8编码的多字节字符串?php//截取utf8字符串function utf8Substr($str,
$from, $len卡塔尔{ return
preg_replace(”#^(?:[x00-x7F]|[xC0-xFF][x80-xBF]+){0,”.$from.”}”.
”((?:[x00-x7F]|[xC0-xFF][x80-xBF]+){0,”.$len.”}).*#s”,
”$1”,$str卡塔尔国;}?3.
UTF-8、GB2312都帮助的汉字截取函数?php/*Utf-8、gb2312都扶持的汉字截取函数cut_str(字符串,
截取长度, 初步长度, 编码卡塔尔;编码默感到 utf-8起头长度默以为 0*/function
cut_str($string, $sublen, $start = 0, $code = ”UTF-8”){ if($code ==
”UTF-8”) { $pa =
/[x01-x7f]|[xc2-xdf][x80-xbf]|xe0[xa0-xbf][x80-xbf]|[xe1-xef][x80-xbf][x80-xbf]|xf0[x90-xbf][x80-xbf][x80-xbf]|[xf1-xf7][x80-xbf][x80-xbf][x80-xbf]/;
preg_match_all($pa, $string, $t_string); if(count($t_string[0]) –
$start $sublen) return join(””, array_slice($t_string[0], $start,
$sublen))….; return join(””,

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