function _advagg_url_to_filename_filter

Given a URL output a filtered filename.

Paramètres

string $url: The url.

string $strict: If FALSE then slashes will be kept.

Return value

string The filename.

1 call to _advagg_url_to_filename_filter()

advagg_url_to_filename dans ./advagg.module

Given a URL output a filename.

Fichier

./advagg.module, line 6229

Code

function _advagg_url_to_filename_filter($url, $strict = TRUE) {
    // URL Decode if needed.
    $decoded1 = $url;
    $decoded2 = rawurldecode($decoded1);
    while ($decoded1 != $decoded2) {
        $decoded1 = rawurldecode($decoded2);
        $decoded2 = rawurldecode($decoded1);
    }
    $url = $decoded1;
    // Replace url spaces with a dash.
    $filename = str_replace(array(
        '%20',
        '+',
    ), '-', $url);
    // Remove file system reserved characters
    // https://en.wikipedia.org/wiki/Filename#Reserved_characters_and_words
    // Remove control charters
    // http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247%28v=vs.85%29.aspx
    // Remove non-printing characters DEL, NO-BREAK SPACE, SOFT HYPHEN
    // Remove URI reserved characters
    // https://tools.ietf.org/html/rfc3986#section-2.2
    // Remove URL unsafe characters
    // https://www.ietf.org/rfc/rfc1738.txt
    if ($strict) {
        $filename = preg_replace('~[<>:"/\\|?*]|[\\x00-\\x1F]|[\\x7F\\xA0\\xAD]|[#\\[\\]@!$&\'()+,;=%]|[{}^\\~`]~x', '-', $filename);
    }
    else {
        $filename = preg_replace('~[<>:"\\|?*]|[\\x00-\\x1F]|[\\x7F\\xA0\\xAD]|[#\\[\\]@!$&\'()+,;=%]|[{}^\\~`]~x', '-', $filename);
    }
    // Replce all white spaces with a dash.
    $filename = preg_replace('/[\\r\\n\\t -]+/', '-', $filename);
    // Avoid ".", ".." or ".hiddenFiles".
    $filename = ltrim($filename, '.-');
    // Compress spaces in a file name and replace with a dash.
    // Compress underscores in a file name and replace with a dash.
    // Compress dashes in a file name and replace with a dash.
    $filename = preg_replace(array(
        '/ +/',
        '/_+/',
        '/-+/',
    ), '-', $filename);
    // Compress dashes and dots in a file name and replace with a dot.
    $filename = preg_replace(array(
        '/-*\\.-*/',
        '/\\.{2,}/',
    ), '.', $filename);
    // Lowercase for windows/unix interoperability
    // http://support.microsoft.com/kb/100625.
    $filename = mb_strtolower($filename, 'UTF-8');
    // Remove ? \ ..
    $filename = str_replace(array(
        '?',
        '\\',
        '..',
    ), '', $filename);
    // ".file-name.-" becomes "file-name".
    $filename = trim($filename, '.-');
    return $filename;
}