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$_POST['button'] not working inside if statement [closed]
if($moviename == NULL AND $directorname!=NULL){
    $sql="SELECT DISTINCT director FROM titles WHERE Director LIKE '%$directorname%'";
    echo $sql;
    $result=mysql_query($sql);
    while ($row=mysql_fetch_row($result)){
          //echo "yes";
          $directorList=$directorList . $row[0] . "<input type='radio' name='new_director' value='$row[0]'></br>";
           //echo $row[0];

    }
    //echo $directorList;


    if(isset($_POST['director_select'])){
        echo "hello world";
        $new_director=$_POST['new_director'];
        $dbIdResult=mysql_query($sql2);
        $recordCount=0;
        while($row=mysql_fetch_row($dbIdResult)) {
            $sql="SELECT COUNT(products.dbid) FROM titles,products
            WHERE titles.dbid=products.dbid AND titles.dbid='$row[0]'";
            $countResult=mysql_query($sql);
            $countResult=mysql_fetch_array($countResult);
            $number=$countResult[0];
            $sql="SELECT * FROM titles,products
        WHERE titles.dbid=products.dbid AND titles.dbid='$row[0]'";
            //echo $sql;
            $result=mysql_query($sql);
            for ($i=0;$i<$number;$i++){
                $filmarray[$recordCount] = array_merge((array)$filmarray[$recordCount],    (array)mysql_fetch_row($result));

                if ($i<1){
                    //Creates the different search result divs related to each database match
                $filmdivs = $filmdivs. '<div id="filmArray'.$recordCount.'">
                title:'.$filmarray[$recordCount][4].'
                <span class="expand" onClick="createDiv(this.parentNode.id)">+</span></div>';
            }
        }
     $recordCount++;
   }
}}

<form name="directormenu" method="POST" action="movies1.php">
<input type="submit" name="director_select" value="Select Director">

ini_set('display_errors',1);
error_reporting(E_ALL);

<form name="directormenu" method="POST" action="movies1.php">
<input type="hidden" name="director_select" value="true">
<input type="submit" name="submit" value="Select Director">