File: /www/wwwroot/shenzhouhuazhang.com/wp-content/plugins/wp-seo-tdk/seo-functions.php
<?php
// 准备好一个字符串处理函数
function seo_clear_code($string) {
if(!$string)
return '';
$string = str_replace("\r\n",' ',$string);//清除换行符
$string = str_replace("\n",' ',$string);//清除换行符
$string = str_replace("\t",' ',$string);//清除制表符
$pattern = array("/> *([^ ]*) *</","/[\s]+/","/<!--[^!]*-->/","/\" /","/ \"/","'/\*[^*]*\*/'","/\[(.*)\]/");
$replace = array(">\\1<"," ","","\"","\"","","");
return preg_replace($pattern,$replace,$string);
}
function seo_quota_encode($value) {
$value = str_replace('"','"',$value);
$value = str_replace("'",''',$value);
return $value;
}
function seo_strimwidth($str ,$start , $width ,$trimmarker ){
if(function_exists('mb_strimwidth'))
{
return mb_strimwidth( $str ,$start , $width ,$trimmarker );
}
else
{
$output = preg_replace('/^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$start.'}((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$width.'}).*/s','\1',$str);
return $output.$trimmarker;
}
}
function seo_get($key) {
$value = get_option('seo_'.$key);
$value = stripslashes($value);
return $value;
}
function seo_set($key,$value) {
$value = strip_tags($value);
$value = seo_clear_code($value);
update_option('seo_'.$key,$value) OR add_option('seo_'.$key,$value);
}
function seo_get_post_meta($post_id,$key) {
$value = get_post_meta($post_id,$key,true);
$value = stripslashes($value);
return $value;
}
function seo_get_term_meta($term_id,$key) {
$value = get_term_meta($term_id,$key,true);
$value = stripslashes($value);
return $value;
}
function seo_get_meta($id,$key,$type = 'post') {
$function = 'seo_get_'.$type.'_meta';
if(function_exists($function)) {
return $function($id,$key);
}
else {
return '';
}
}
function seo_get_category_parents($term_id) {
$chain = _seo_get_category_parents($term_id);
if($chain)
{
$chain = substr($chain,0,-1);
}
return $chain;
}
function _seo_get_category_parents( $term_id, $separator = ',', $visited = array()) {
$chain = '';
$term = get_term( $term_id, 'category' );
if ( is_wp_error( $term ) )
return $term;
if ( $term->parent && ( $term->parent != $term->term_id ) && !in_array( $term->parent, $visited ) ) {
$visited[] = $term->parent;
$chain .= _seo_get_category_parents( $term->parent, $separator, $visited );
}
$chain .= $chain.$separator;
return $chain;
}