PHP替換文章內鏈的函數 php關鍵字替換(含屏蔽還原原始連結功能)-php教程-PHP中文網

PHP替換文章內鏈的函數 php關鍵字替換(含屏蔽還原原始連結功能)

WBOY

發布： 2016-07-25 08:57:39

原創

1426 人瀏覽過

/*
* PHP替换文章内链
* by bbs.it-home.org
*/
function _base64_encode($t,$str) {
return $t.""".base64_encode($str).""";
}
function _base64_decode($t,$str) {
return $t.""".base64_decode($str).""";
}
function _keylinks($txt, $replacenum = '',$link_mode = 1) {
/* 屏蔽原始的 a */
$replace_a = "_base64_encode('ori_a=','

')";

$replace1_a = "stripslashes(base64_decode(''))";

$search_a = "/.*?/isxe";

$search1_a = "/ori_a=(".*?")/isxe";

$txt = preg_replace($search_a, $replace_a, $txt);

/* 屏蔽alt title src */

$search = "/(alts*=s*|titles*=s*|srcs*=s*) # find (["'])?(.*?) # find single or double quote

(?(2)|s+?) # if quote found, match up to next matching

# quote, otherwise match up to next space

/isxe";

$replace = "_base64_encode('','')";

$replace1 = "_base64_decode('','')";

$txt = preg_replace($search, $replace, $txt);

echo $txt;

echo "
http://bbs.it-home.org/

";

$keywords = $this->data['keywords'];

if($keywords) $keywords = strpos(',',$keywords) === false ? explode(' ',$keywords) : explode(',',$keywords);

if($link_mode && !empty($keywords)) {

foreach($keywords as $keyword) {

$linkdatas[] = $keyword;

}

} else {

$linkdatas = getcache('keylink','commons');

}

if($linkdatas) {

$word = $replacement = array();

foreach($linkdatas as $v) {

if($link_mode && $keywords) {

$word1[] = '/'.preg_quote($v, '/').'/';

$word2[] = $v;

$replacement[] = ''.$v.'';

} else {

$word1[] = '/'.preg_quote($v[0], '/').'/';

$word2[] = $v[0];

$replacement[] = ''.$v[0].'';

}

if($replacenum != '') {

$txt = preg_replace($word1, $replacement, $txt, $replacenum);

} else {

$txt = str_replace($word2, $replacement, $txt);

}

/* 还原原始 a */

$txt = preg_replace($search1_a, $replace1_a, $txt);

/* 还原alt title src */

$txt = preg_replace($search, $replace1, $txt);

echo $txt;

return $txt;

}

$con = "

　　性生活过度伤害前列腺。和谐美满的性生活，是男女生理的天然需要，是夫妻感情的粘合剂之一，是夫妻生活必不少的重要组成部分。但是有此想法的夫妻可要注意了。因为做x爱时间并非越长越好，夫妻的性生活的和谐与美满也不由性xai时间的长短来决定。反而，超时性XZ爱，还会影响到夫妻的健康，甚至引发各种疾病。

性生活过度伤害前列腺

_keylinks($con);

复制代码