[PHP] Reguläre Ausdrücke , Eigenschaften ersetzen

[omata]

Code:

$html = '<img src="bild.jpg" width="1024" height="768" alt="" />';

$height = '100';
$width = '75';
$expression = '(<img.*width=)"[0-9]*"(.*height=)"[0-9]*"(.*/>)';
$replace = '\\1"' . $height . '"\\2"' . $width . '"\\3';
echo ereg_replace($expression, $replace, $html);