Seo yaparken kullandığım fonksiyon kodu.

<?php

function make_url_friendly($url)
{
    $url = trim($url);
    $url = strtolower($url);

    $find = array('<b>', '</b>');
    $url = str_replace ($find, '', $url);

    $url = preg_replace('/<(\/{0,1})img(.*?)(\/{0,1})\>/', 'image', $url);

    $find = array(' ', '&quot;', '&amp;', '&', '\r\n', '\n', '/', '\\', '+', '<', '>');
    $url = str_replace ($find, '-', $url);

    $find = array('é', 'è', 'ë', 'ê', 'É', 'È', 'Ë', 'Ê');
    $url = str_replace ($find, 'e', $url);

    $find = array('í', 'ý', 'ì', 'î', 'ï', 'I', 'Ý', 'Í', 'Ì', 'Î', 'Ï');
    $url = str_replace ($find, 'i', $url);

    $find = array('ó', 'ö', 'Ö', 'ò', 'ô', 'Ó', 'Ò', 'Ô');
    $url = str_replace ($find, 'o', $url);

    $find = array('á', 'ä', 'â', 'à', 'â', 'Ä', 'Â', 'Á', 'À', 'Â');
    $url = str_replace ($find, 'a', $url);

    $find = array('ú', 'ü', 'Ü', 'ù', 'û', 'Ú', 'Ù', 'Û');
    $url = str_replace ($find, 'u', $url);

    $find = array('ç', 'Ç');
    $url = str_replace ($find, 'c', $url);

    $find = array('þ', 'Þ');
    $url = str_replace ($find, 's', $url);

    $find = array('ð', 'Ð');
    $url = str_replace ($find, 'g', $url);

    $find = array('/[^a-z0-9\-<>]/', '/[\-]+/', '/<[^>]*>/');

    $repl = array('', '-', '');

    $url = preg_replace ($find, $repl, $url);
    $url = str_replace ('--', '-', $url);

    return $url;
}

?>

seo.php olarak kaydedin

kullanımı ;
seo yu yapacağınız sayfaya include edin

echo (".make_url_friendly($seoyapılacaksorgu).") ;