lib/classes/htmlpurifier/HTMLPurifier_Injector_ClassifyTables.php


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<?php

/**
 * Ensure that tables always have their class attribute set to 'content'.
 */
class HTMLPurifier_Injector_ClassifyTables extends HTMLPurifier_Injector
{
    public $name = 'ClassifyTables';
    public $needed = ['table' => ['class']];

    public function handleElement(&$token)
    {
        if ($token->name === 'table') {
            $token->attr['class'] = 'content';
        }
    }
}