pdo - how to fix Allowed memory size PHP -

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• fatal error: allowed memory size of 134217728 bytes exhausted (tried allocate 87 bytes) 5 answers

i following error: fatal error: allowed memory size of 134217728 bytes exhausted (tried allocate 65488 bytes).

<?php session_start();  require'class/db.php';  $db = new clsdb();    $getrows = $db->getrows("select * category");  echo "<form method=\"post\" action=\"category.php\">         <table>";  while($row = $getrows->fetch()){       ?>     <tr><td><input type="checkbox" name="checkbox[]" value="<?php echo $row['catid'] ?>"><?php echo $row['catname'];?></td>          <br />     </tr>      <?php   } ?>         </table>          <input type="submit" name="delete" value="delete">         </form>         <?php if(isset($_post['delete'])) {      foreach ($_post['checkbox'] $check) {         //$deleterow = $db->deleterow("delete category catid ='" . $check . "' ");         $deleterow = $db->deleterow("delete category catid = ? ", $check);     }  }  ?> 

this line got error

public function deleterow($query, $params = []){         $this->deleterow($query, $params);     } 

the line db class

i don't know how fix problem please leave helpful

you can adjust memory limit:

ini_set('memory_limit', '128m'); 

change size per requirement