Getting no matching results for query mysql php -


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i trying find matching results query in database , put in table form made, no matching results back. ran query in phpmyadmin , got desired output. used var_dump on $result variable , following: resource(4) of type (mysql result). here code:

<?php function rendersearchform($search, $search_by, $search_by, $error){ ?> <!doctype html5> <head>     <title>search query</title> </head> <body> <?php //display errors     if($error != ''){         echo '<div style="padding:4px; border:1px solid red; color:red;">' . $error . '</div>';     } ?>  <form action="" method="post"> <div> <p>search for:</p> <strong>name: *</strong> <input type="text" name="search" value="<?php echo $search; ?>" /><br/> <p>search by:</p> <input type="radio" name="search_by" <?php if (isset($search_by) && $search_by=="firstname") echo "checked";?> value="firstname"/>firstname* <input type="radio" name="search_by" <?php if (isset($search_by) && $search_by=="surname") echo "checked";?> value="surname"/>surname* <br><br> <input type="submit" name="submit" value="submit"> <p>* required</p> </div> </form> </body> </html> <?php }  //connect db include('connect_db.php');  //check if submitted if (isset($_post['submit'])) {     $search = mysql_real_escape_string(htmlspecialchars($_post['search']));     $search_by = mysql_real_escape_string(htmlspecialchars($_post['search_by']));      //check if search empty     if (empty($_post["search"])) {          $error = "error: name required";           //error, display form          rendersearchform($search, $search_by, $search_by, $error);          }            elseif          // check if name contains letters , whitespace           (!preg_match("/^[a-za-z ]*$/",$search)) {            $error = "error: letters , white space allowed";           //error, display form          rendersearchform($search, $search_by, $search_by, $error);          }           //check if radio button selected          elseif (empty($_post["search_by"])) {          $error = "error: search_by required";           //error, display form          rendersearchform($search, $search_by, $search_by, $error);          }else{             //save data             $query =  "select * members '$search_by' '%$search%'";             $result = mysql_query($query)             or die(mysql_error());             var_dump($result);              //display data db             echo "<table border='1' cellpadding='10'>";             echo "<tr> <th>id</th> <th>firstname</th> <th>surname</th> <th>telephone</th> <th>cell</th> <th>address</th> <th></th> <th></th> </tr>";              //loop through results of db , display in table             while ($row = mysql_fetch_array($result)) {                 //echo contents in table                 echo "<tr>";                 echo "<td>" . $row['id'] . "</td>";                 echo "<td>" . $row['firstname'] . "</td>";                 echo "<td>" . $row['surname'] . "</td>";                 echo "<td>" . $row['telephone'] . "</td>";                 echo "<td>" . $row['cellphone'] . "</td>";                 echo "<td>" . $row['address'] . "</td>";                 echo "<td><a href='edit.php?id=" . $row['id'] . "'>edit</a></td>";                 echo "<td><a href='delete.php?id=" . $row['id'] . "'>delete</a></td>";                 echo "</tr>";              }               echo "</table>";               //this counts number or results              $anymatches=mysql_num_rows($result);                if ($anymatches == 0)  {                echo "sorry, can not find entry match query<br><br>";                }              //and remind them searched              echo "<b>searched for:</b> " .$search. "<b> in: </b>" .$search_by;                 }  }else{     //if form not submitted, display form     rendersearchform('','','',''); } ?>

you need remove single quotes between $search_by. try this:

"select * members $search_by '%$search%'"

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