function addslashes_str($str){
$str=addslashes($str);
$str=str_replace($str,";",';');
return $str;
}
function stripslashes_str($str){
$str=stripslashes($str);
$str=str_replace($str,';',";");
return $str;
}
?>
chop(); //除去字符串右边空格
trim(); //除去字符串中所有空格
ltrim(); //除去字符串左边空格
htmlspecialchars(); //转换'$','"',''为相应的html实体
htmlentities(); //转换所有html标记为相应的html实体
array explode(string separator, string str); //分割字符串
string implode(string separator, array arr); //连接字符串
strtoupper(); strtolower(); //转换大小写
ucfirst(); //只转换第一个字符为大写
ucwords(); //转换每个words的第一个字母为大写
iconv()
php内码转换函数,同上
因为iconv()在转换gb2312时的bug,所以要这样处理
iconv( "utf-8", "gb2312//ignore" , $str)
mb_convert_encoding()
php的内码转换函数
版本(php 4 >= 4.0.6, php 5)
这个函数可以将各种编码互相转换
mb_convert_encoding($str,"gb2312", "utf-8");
mysql教程_real_escape_string()
定义:函数转义 sql 语句中使用的字符串中的特殊字符。
语法: mysql_real_escape_string(string,connection)
说明:本函数将 string 中的特殊字符转义,并考虑到连接的当前字符集,因此可以安全用于 mysql_query()。
?>

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