How do you embeded your sql queries in php scripts (coding-style)?

public function getTasksReport($rmId, $stage, $mmcName) {
    $rmCondition = $rmId ? 'mud.manager_id = :rmId' : 'TRUE';
    $stageCondition = $stage ? 't.stage_id = :stageId' : 'TRUE';
    $mmcCondition = $mmcName ? 'mmcs.username = :mmcName' : 'TRUE';
    $sql = "
            SELECT
                    mmcs.id AS mmc_id,
                    mmcs.username AS mmcname,
                    mud.band_name AS mmc_name,
                    t.id AS task_id,
                    t.name AS task,
                    t.stage_id AS stage,
                    t.role_id,
                    tl.id AS task_log_id,
                    mr.role,
                    u.id AS user_id,
                    u.username AS username,
                    COALESCE(cud.full_name, bud.band_name) AS user_name,
                    DATE_FORMAT(tl.completed_on, '%d-%m-%Y %T') AS completed_on,
                    tl.url AS url,
                    mud.manager_id AS rm_id
            FROM users AS mmcs
            INNER JOIN banduserdetails AS mud ON mud.user_id = mmcs.id
            LEFT JOIN tasks AS t ON 1
            LEFT JOIN task_log AS tl ON tl.task_id = t.id AND tl.mmc_id = mmcs.id
            LEFT JOIN mmc_roles AS mr ON mr.id = t.role_id
            LEFT JOIN users AS u ON u.id = tl.user_id
            LEFT JOIN communityuserdetails AS cud ON cud.user_id = u.id
            LEFT JOIN banduserdetails AS bud ON bud.user_id = u.id
            WHERE mmcs.user_type = 'mmc'
                    AND $rmCondition
                    AND $stageCondition
                    AND $mmcCondition
            ORDER BY mmcs.id, t.stage_id, t.role_id, t.task_order
    ";
    $pdo = new PDO(.....);
    $stmt = $pdo->prepare($sql);
    $rmId and $stmt->bindValue('rmId', $rmId); // (1)
    $stage and $stmt->bindValue('stageId', $stage); // (2)
    $mmcName and $stmt->bindValue('mmcName', $mmcName); // (3)
    $stmt->execute();
    return $stmt->fetchAll();
}

db_exec ("SELECT ...");

$SQL = "SELECT ...";
$result = db_exec ($SQL);

$weblog = new Weblog(); // create an empty object to work with.
    $weblog->Author = 'SchizoDuckie'; // mapped internally to strAuthor.
    $weblog->Title = 'A test weblog';
    $weblog->Story = 'This is a test weblog!';
    $weblog->Posted = date("Y-m-d H:i:s");
    $weblog->Save(); // Checks for any changed values and inserts or updates into DB.
    echo ($weblog->ID) // outputs: 1

$reply = new Reply();
    $reply->Author = 'Some random guy';
    $reply->Reply = 'w000t';
    $reply->Posted = date("Y-m-d H:i:s");
    $reply->IP = '127.0.0.1';
    $reply->Connect($weblog); // auto-saves $reply and connects it to $weblog->ID

$weblog = new Weblog(1); //Fetches the row with primary key 1 from table weblogs and hooks it's values into $weblog;

    echo("<h1>{$weblog->Title}</h1>
    <h3>Posted by {$weblog->Author} @ {$weblog->Posted}</h3>
    <div class='weblogpost'>{$weblog->Story}</div>");

    // now fetch the connected posts. this is the real magic:
    $replies = $weblog->Find("Reply"); // fetches a pre-filled array of Reply objects.
    if ($replies != false)
    {
        foreach($replies as $reply)
        {
            echo("<div class='weblogreply'><h4>By {$reply->Author} @ {$reply->Posted}</h4> {$reply->Reply}</div>");
        }
    }

class Weblog extends dbObject
{
    function __construct($ID=false)
    {
        $this->__setupDatabase('blogs', // database table
        array('ID_Blog' => 'ID',    // database field => mapped object property
            'strPost' => 'Story',    // as you can see, database field strPost is mapped to $this->Story
            'datPosted' => 'Posted',
            'strPoster' => 'Author',
            'strTitle'  => 'Title',
            'ipAddress'  => 'IpAddress',
            'ID_Blog',    // primary table key
            $ID);    // value of primary key to init with (can be false for new empty object / row)
        $this->addRelation('Reaction'); // define a 1:many relation to Reaction

    }
}

$sql = "SELECT tbl1.col1, tbl1.col2, tbl2.col1, tbl2.col2"
        . " FROM Table1 tbl1"
        . " INNER JOIN Table2 tbl2 ON tbl1.id = tbl2.other_id"
        . " WHERE tbl2.id = ?"
        . " ORDER BY tbl2.col1, tbl2.col2"
        . " LIMIT 10, 0";

$sql = (string) View::factory('sql/myfile');

$sql = file_get_contents("myfile.sql");

$query = "SELECT "
       . " foo, "
       . " bar "
       . "FROM "
       . " mytable "
       . "WHERE "
       . " id = $userid";