写的两个函数,对比提交的文本段落里面重复的有无,发现一些问题:
(1)in_array()检测中文有的时候会有问题,明明存在却提示不存在,长文本的时候概率更高
(2)有时候短段落重复3~4次是允许的,但是如果用similar_text作对比就导致只要有一次重复就拒绝用户提交了。如何改进才更好
(3)还有没有更好的方法,求~function hasSimilarText($string)
{
$lineArr = explode("\n",$string);
$arrStr = $arrLen = array();
foreach($lineArr as $k => $v)
{
$arrLen[] = strlen($v);
$arrStr[] = $v;
} foreach($arrStr as $k1 => $v1)
{
foreach($arrStr as $k2 => $v2)
{
if($k1 == $k2) continue;
if($arrLen[$k2] < 30 || abs($arrLen[$k2] - $arrLen[$k1]) > 100) continue;
similar_text($v1, $v2, $pct);
if($pct > 90) return true;
}
}
return false;
}
/* 重复段落检测 */
function hasRepeatLine($string)
{
$string = str_replace(array("\t"," ","@","#","。",",",".",","),'',$string);
//$string = str_replace("\r","\n",$string);
$lineArr = explode("\n",$string);
$countShort = $countMiddle = $countLong = 0;
$arr = array(); foreach($lineArr as $lineString)
{
$length = strlen( $lineString );
if($length < 1) continue;
if(in_array($lineString,$arr))
{
if($length < 13)
{
$countShort++;
if($countShort > 4) return true;//5次
} elseif($length>12 && $length < 51) {
$countMiddle++;
if($countMiddle > 3) return true; //4次
} elseif($length>50 && $length < 101) {
$countLong++;
if($countLong > 2) return true; //3次
} else {
return true;
}
}
$arr[] = $lineString;
}
return false;
}
(1)in_array()检测中文有的时候会有问题,明明存在却提示不存在,长文本的时候概率更高
(2)有时候短段落重复3~4次是允许的,但是如果用similar_text作对比就导致只要有一次重复就拒绝用户提交了。如何改进才更好
(3)还有没有更好的方法,求~function hasSimilarText($string)
{
$lineArr = explode("\n",$string);
$arrStr = $arrLen = array();
foreach($lineArr as $k => $v)
{
$arrLen[] = strlen($v);
$arrStr[] = $v;
} foreach($arrStr as $k1 => $v1)
{
foreach($arrStr as $k2 => $v2)
{
if($k1 == $k2) continue;
if($arrLen[$k2] < 30 || abs($arrLen[$k2] - $arrLen[$k1]) > 100) continue;
similar_text($v1, $v2, $pct);
if($pct > 90) return true;
}
}
return false;
}
/* 重复段落检测 */
function hasRepeatLine($string)
{
$string = str_replace(array("\t"," ","@","#","。",",",".",","),'',$string);
//$string = str_replace("\r","\n",$string);
$lineArr = explode("\n",$string);
$countShort = $countMiddle = $countLong = 0;
$arr = array(); foreach($lineArr as $lineString)
{
$length = strlen( $lineString );
if($length < 1) continue;
if(in_array($lineString,$arr))
{
if($length < 13)
{
$countShort++;
if($countShort > 4) return true;//5次
} elseif($length>12 && $length < 51) {
$countMiddle++;
if($countMiddle > 3) return true; //4次
} elseif($length>50 && $length < 101) {
$countLong++;
if($countLong > 2) return true; //3次
} else {
return true;
}
}
$arr[] = $lineString;
}
return false;
}
12345
123123
dsdsd12312as
dasdsad1
dasdsad
算两个段落?2 重复是以何种概念来界定的?完全匹配?相似度大于xx%?看你用了similar_text,应该是计算相似度的。
3 不连续的重复算不算重复?
自己写了另外一个。similar_text