mysql - My Search engine code in php giving me no result -


i making search engine in php,but receiving no or 0 result. when search keywords in database showed me no result. can please me doing wrong.. below code.

<?php     $k = $_get['k'];     $terms = explode(" ", $k);     $query = ("select * search ");     foreach($terms $each){       $i++;        if($i == 1)          $query.= (" 'keywords' '%$each%' ");        else          $query.= (" or 'keywords' '%$each%' ");     }      //connect db     require("./db.php");      $query = mysql_query($query);     $numrows = mysql_num_rows($query);     if( $numrows>0 ){      while( $row = mysql_fetch_assoc($query) )          $id = $row['id'];         $title = $row['title'];         $description = $row['description'];         $keywords = $row['keywords'];         $link = $row['link'];          echo "<h2><a href = '$link'>$title</a></h2> $description </br> </br>";      }     else         echo "no results found \"<b>$k</b>\"";      //disconnect db     mysql_close();      ?>

as mentioned in comment tadman, need escape input (hints, use mysqli functions , use mysqli_real_escape_string, or perhaps pdo).

with said, think need remove quotes keywords column name so:

if($i == 1)     $query.= (" keywords '%$each%' "); else     $query.= (" or keywords '%$each%' ");

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