有谁研究过 Invision Power Board 吗?请教个问题. ' ==> &#39 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我看过里面的函数已经把&替换成 &了,但就是当输入' 的时候,&就不会变成&了,查不到是在哪里替换的,用来很多的preg_replace函数,但全部注释掉也没有用.. function txt_htmlspecialchars($t="") { // Use forward look up to only convert & not { $t = preg_replace("/&(?!#[0-9]+;)/s", '&', $t ); $t = str_replace( "<", "<" , $t ); $t = str_replace( ">", ">" , $t ); $t = str_replace( '"', """, $t ); return $t; // A nice cup of? }请问这里的正则是什么意思??$t = preg_replace("/&(?!#[0-9]+;)/s", '&', $t ); function clean_value($val) { global $ibforums; if ($val == "") { return ""; } $val = str_replace( " ", " ", $val ); if ( $ibforums->vars['strip_space_chr'] ) { $val = str_replace( chr(0xCA), "", $val ); //Remove sneaky spaces } $val = str_replace( "&" , "&" , $val ); $val = str_replace( "<!--" , "<!--" , $val ); $val = str_replace( "-->" , "-->" , $val ); $val = preg_replace( "/<script/i" , "<script" , $val ); $val = str_replace( ">" , ">" , $val ); $val = str_replace( "<" , "<" , $val ); $val = str_replace( "\"" , """ , $val ); $val = preg_replace( "/\n/" , "<br>" , $val ); // Convert literal newlines $val = preg_replace( "/\\\$/" , "$" , $val ); $val = preg_replace( "/\r/" , "" , $val ); // Remove literal carriage returns $val = str_replace( "!" , "!" , $val ); $val = str_replace( "'" , "'" , $val ); // IMPORTANT: It helps to increase sql query safety. // Ensure unicode chars are OK if ( $this->allow_unicode ) { $val = preg_replace("/&#([0-9]+);/s", "&#\\1;", $val ); } // Strip slashes if not already done so. if ( $this->get_magic_quotes ) { $val = stripslashes($val); } // Swop user inputted backslashes $val = preg_replace( "/\\\(?!&#|\?#)/", "\", $val ); return $val; } php总是报错,大家帮我看下代码 smarty 关于php邮件发送问题 怎样实现两个表排序? 同一段代码,本地和服务器上运行结果不同!急 iis 重写的问题, 急,在线等 用php怎么写一歌选课系统? 流行的URL加密参数的方法是什么?PHP的 请教:RewriteRule 急急!!!在线等待。。。(php中url传递参数?) 各位大侠能不能推荐一些面向对象的经典php项目? 请教关于正则一问
{
// Use forward look up to only convert & not {
$t = preg_replace("/&(?!#[0-9]+;)/s", '&', $t );
$t = str_replace( "<", "<" , $t );
$t = str_replace( ">", ">" , $t );
$t = str_replace( '"', """, $t );
return $t; // A nice cup of?
}
请问这里的正则是什么意思??
$t = preg_replace("/&(?!#[0-9]+;)/s", '&', $t );
{
global $ibforums;
if ($val == "")
{
return "";
}
$val = str_replace( " ", " ", $val );
if ( $ibforums->vars['strip_space_chr'] )
{
$val = str_replace( chr(0xCA), "", $val ); //Remove sneaky spaces
}
$val = str_replace( "&" , "&" , $val );
$val = str_replace( "<!--" , "<!--" , $val );
$val = str_replace( "-->" , "-->" , $val );
$val = preg_replace( "/<script/i" , "<script" , $val );
$val = str_replace( ">" , ">" , $val );
$val = str_replace( "<" , "<" , $val );
$val = str_replace( "\"" , """ , $val );
$val = preg_replace( "/\n/" , "<br>" , $val ); // Convert literal newlines
$val = preg_replace( "/\\\$/" , "$" , $val );
$val = preg_replace( "/\r/" , "" , $val ); // Remove literal carriage returns
$val = str_replace( "!" , "!" , $val );
$val = str_replace( "'" , "'" , $val ); // IMPORTANT: It helps to increase sql query safety.
// Ensure unicode chars are OK
if ( $this->allow_unicode )
{
$val = preg_replace("/&#([0-9]+);/s", "&#\\1;", $val );
}
// Strip slashes if not already done so.
if ( $this->get_magic_quotes )
{
$val = stripslashes($val);
}
// Swop user inputted backslashes
$val = preg_replace( "/\\\(?!&#|\?#)/", "\", $val );
return $val;
}