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PATH: home / letacommog / letaweb / admin / classes / htmlpurifier / library / HTMLPurifier / AttrTransform

<?php

// must be called POST validation

/**
 * Transform that supplies default values for the src and alt attributes
 * in img tags, as well as prevents the img tag from being removed
 * because of a missing alt tag. This needs to be registered as both
 * a pre and post attribute transform.
 */
class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform
{
    public function transform($attr, $config, $context)
    {
        $src = true;
        if (!isset($attr['src'])) {
            if ($config->get('Core.RemoveInvalidImg')) {
                return $attr;
            }
            $attr['src'] = $config->get('Attr.DefaultInvalidImage');
            $src = false;
        }

if (!isset($attr['alt'])) {
            if ($src) {
                $alt = $config->get('Attr.DefaultImageAlt');
                if ($alt === null) {
                    // truncate if the alt is too long
                    $attr['alt'] = substr(basename($attr['src']), 0, 40);
                } else {
                    $attr['alt'] = $alt;
                }
            } else {
                $attr['alt'] = $config->get('Attr.DefaultInvalidImageAlt');
            }
        }

return $attr;
    }
}

// vim: et sw=4 sts=4

[+] ..
[-] Border.php [edit]
[-] SafeObject.php [edit]
[-] BoolToCSS.php [edit]
[-] ScriptRequired.php [edit]
[-] Lang.php [edit]
[-] Name.php [edit]
[-] ImgRequired.php [edit]
[-] BdoDir.php [edit]
[-] Background.php [edit]
[-] Input.php [edit]
[-] TargetBlank.php [edit]
[-] NameSync.php [edit]
[-] EnumToCSS.php [edit]
[-] SafeEmbed.php [edit]
[-] Textarea.php [edit]
[-] SafeParam.php [edit]
[-] ImgSpace.php [edit]
[-] BgColor.php [edit]
[-] Nofollow.php [edit]
[-] Length.php [edit]