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✏️ /home/mien4214/public_html/exter/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Lang.php

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<?php

/**
 * Validates the HTML attribute lang, effectively a language code.
 * @note Built according to RFC 3066, which obsoleted RFC 1766
 */
class HTMLPurifier_AttrDef_Lang extends HTMLPurifier_AttrDef
{

/**
     * @param string $string
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return bool|string
     */
    public function validate($string, $config, $context)
    {
        $string = trim($string);
        if (!$string) {
            return false;
        }

$subtags = explode('-', $string);
        $num_subtags = count($subtags);

if ($num_subtags == 0) { // sanity check
            return false;
        }

// process primary subtag : $subtags[0]
        $length = strlen($subtags[0]);
        switch ($length) {
            case 0:
                return false;
            case 1:
                if (!($subtags[0] == 'x' || $subtags[0] == 'i')) {
                    return false;
                }
                break;
            case 2:
            case 3:
                if (!ctype_alpha($subtags[0])) {
                    return false;
                } elseif (!ctype_lower($subtags[0])) {
                    $subtags[0] = strtolower($subtags[0]);
                }
                break;
            default:
                return false;
        }

$new_string = $subtags[0];
        if ($num_subtags == 1) {
            return $new_string;
        }

// process second subtag : $subtags[1]
        $length = strlen($subtags[1]);
        if ($length == 0 || ($length == 1 && $subtags[1] != 'x') || $length > 8 || !ctype_alnum($subtags[1])) {
            return $new_string;
        }
        if (!ctype_lower($subtags[1])) {
            $subtags[1] = strtolower($subtags[1]);
        }

$new_string .= '-' . $subtags[1];
        if ($num_subtags == 2) {
            return $new_string;
        }

// process all other subtags, index 2 and up
        for ($i = 2; $i < $num_subtags; $i++) {
            $length = strlen($subtags[$i]);
            if ($length == 0 || $length > 8 || !ctype_alnum($subtags[$i])) {
                return $new_string;
            }
            if (!ctype_lower($subtags[$i])) {
                $subtags[$i] = strtolower($subtags[$i]);
            }
            $new_string .= '-' . $subtags[$i];
        }
        return $new_string;
    }
}

// vim: et sw=4 sts=4

Batal

⬅ HTMLPurifier 11 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 CSS	dir	—	27/05/22 16:07	0755	📂
📁 HTML	dir	—	27/05/22 16:07	0755	📂
📁 URI	dir	—	27/05/22 16:07	0755	📂
🐘 CSS.php	php	4.2 KB	27/05/22 16:07	0644	✏️ ⬇
🐘 Clone.php	php	872 B	27/05/22 16:07	0644	✏️ ⬇
🐘 Enum.php	php	2.2 KB	27/05/22 16:07	0644	✏️ ⬇
🐘 Integer.php	php	2.5 KB	27/05/22 16:07	0644	✏️ ⬇
🐘 Lang.php	php	2.4 KB	27/05/22 16:07	0644	✏️ ⬇
🐘 Switch.php	php	1.3 KB	27/05/22 16:07	0644	✏️ ⬇
🐘 Text.php	php	430 B	27/05/22 16:07	0644	✏️ ⬇
🐘 URI.php	php	2.6 KB	27/05/22 16:07	0644	✏️ ⬇

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