configure.phtml

<form action="<?php echo _url('extension', 'configure', 'e', urlencode($this->getName())); ?>" method="post">
        <input type="hidden" name="_csrf" value="<?php echo FreshRSS_Auth::csrfToken(); ?>" />
        <div class="form-group">
                <label class="group-name" for="micropub-endpoint"><?php echo _t('ext.micropub_like.endpoint'); ?></label>
                <div class="group-controls">
                        <input type="text" name="micropub-endpoint" id="micropub-endpoint" value="<?php echo $this->micropub_endpoint; ?>"></input>
                </div>
                <label class="group-name" for="micropub-token"><?php echo _t('ext.micropub_like.token'); ?></label>
                <div class="group-controls">
                        <input type="text" name="micropub-token" id="micropub-token" value="<?php echo $this->micropub_token; ?>"></input>
                </div>
        </div>

        <div class="form-group form-actions">
                <?php if (isset($this->permission_problem)) { ?>
                        <p class="alert alert-error"><?php echo _t('ext.custom_css.permission_problem', $this->permission_problem); ?></p>
                <?php } else { ?>
                        <div class="group-controls">
                                <button type="submit" class="btn btn-important"><?php echo _t('gen.action.submit'); ?></button>
                                <button type="reset" class="btn"><?php echo _t('gen.action.cancel'); ?></button>
                        </div>
                <?php } ?>
        </div>
</form>