$site    = "https://www.saglikpersoneli.com.tr/bakanlik/son-dakika-genel-mudur-istifa-etti-h1633.html";
$pattern = ('/<div id="detay-metin" class="text" data-text-id="([0-9]+)">(.*)</div>/s');
$str     = file_get_contents($site); 
preg_match_all($pattern, $str, $sonuc);  

echo '<pre>';
if($sonuc && isset($sonuc[0][0])){
    echo htmlspecialchars($sonuc[0][0]);
}  
echo '</pre>';

• http://code.google.com/p/phpquery/
• http://querypath.org/
• http://jquery.hohli.com/
• http://simplehtmldom.sourceforge.net/