<?php/*@utf-8編碼的字元可能由1~3個位元組組成。
*//*
--------------------------方法一擷取中文字串方法------------------------------
*/function msubstr($str, $start, $len)
else
}return
$tmpstr;}
/*----------------------------第二種方法-----------------------------------
*///
擷取的是utf-8字串
function utf_substr($str, $len
) }
else
}return
join($new_str);//
join()函式把陣列元素組合為乙個字串}/*
-------------------------------------第三種方法(utf-8)--------------------------------
*/function cutstr($string, $length
) }
return
join('', $info[0]);
}$string = "312哈哈，這個組合很難切割哦";
echo cutstr($string, 10);
/*---------------------------------下面是曾經用過的擷取第三個的字串的------------------------------
*///
$name1 = mysql_result($my_rst,0,"name");
// $name = preg_match("/([1-9][0-9]+)/",$name1,$r);
// $name = $r[0];
// if($name == "")'.
// '((?:[\x00-\x7f]|[\xc0-\xff][\x80-\xbf]+)).*#s',
// '$1',$name1);
// }
/*--------------------------------------------第四種方法(utf-8)---------------------------------------------
*/function cut_str($sourcestr, $cutlength
) elseif ($ascnum >= 192)//
如果ascii位高於192
elseif ($ascnum >= 65 && $ascnum
<= 90)//
如果是大寫字母
else
}if ($str_length > $cutlength
)
return
$returnstr;}
/*--------------------第五種方法（utf-8）---------------------------------------------
*/function fsubstr($title, $start, $len = "", $magic = true
)
$start = $i
; }}}
if (strlen($title) <= $len) return
substr($title, $start, $len
);
$alen = 0;
$blen = 0;
$realnum = 0;
$length = 0;
for ($i = $start; $i
< strlen($title); $i++)
} elseif (substr($title, $i, 4) == ">")
} elseif (substr($title, $i, 5) == "&")
} elseif (substr($title, $i, 6) == """)
} elseif (preg_match("/&#(\d+);?/i", substr($title, $i), $match
)) }
} else
} elseif (ord($cur) >= 248)
} elseif (ord($cur) >= 240)
} elseif (ord($cur) >= 224)
} elseif (ord($cur) >= 192)
} elseif (ord($cur) >= 128)
else
else}}
}if ($magic
) else}}
else
}unset($cur
);
unset($alen
);
unset($blen
);
unset($realnum
);
unset($ctype
);
unset($cstep
);
return
substr($title, $start, $length
);}
function utf8substr($str, $from, $len)' .
'((?:[\x00-\x7f]|[\xc0-\xff][\x80-\xbf]+)).*#s',
'$1', $str);}
$title = "你哈珀niad1納斯達wop asdni你愛誰都沒阿斯頓撒旦12ccs- sd";
$title = utf8substr($title, 0, 15);
echo
$title;
?>
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