PHP implementation code for previous and next articles_PHP tutorial

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Release: 2016-07-13 10:39:41
Original
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Code:

  1. //----Display the previous and next article codes START----
  2. $sql_former = "select * from article where id<$id order by id desc "; //Previous article sql statement. Note that it is in reverse order, because only the first article is used when returning the result set, not the last article
  3. $sql_later = "select * from article where id>$id "; //Next article sql statement
  4. $queryset_former = mysql_query($sql_former); //Execute sql statement
  5. if(mysql_num_rows($queryset_former)){ //Return the number of records and determine whether it is true, and display the results based on this
  6. $result = mysql_fetch_array($queryset_former);
  7. echo "Previous post ". $result [title]."
    "
    ;
  8. } else {echo "Previous post No more
    "
    ;} 
  9. // www.jbxue.com
  10. $queryset_later = mysql_query($sql_later);
  11. if(mysql_num_rows($queryset_later)){
  12. $result = mysql_fetch_array($queryset_later);
  13. echo "Next article ". $result ['title']."
    "
  14. } else {echo "Next article No more
    "
    ;}
  15. ?>

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/729837.htmlTechArticleCode: ?php //----Display previous and next article code START--- - $sql_former = "select*fromarticlewhereid$idorderbyiddesc"; //SQL statement of the previous article. Note that it is in reverse order, because...
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