CaseContentObject.php

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<?php
namespace TYPO3\CMS\Frontend\ContentObject;

class CaseContentObject extends \TYPO3\CMS\Frontend\ContentObject\AbstractContentObject {

    public function render($conf = array()) {
        if (!empty($conf['if.']) && !$this->cObj->checkIf($conf['if.'])) {
            return '';
        }

        $setCurrent = isset($conf['setCurrent.']) ? $this->cObj->stdWrap($conf['setCurrent'], $conf['setCurrent.']) : $conf['setCurrent'];
        if ($setCurrent) {
            $this->cObj->data[$this->cObj->currentValKey] = $setCurrent;
        }
        $key = isset($conf['key.']) ? $this->cObj->stdWrap($conf['key'], $conf['key.']) : $conf['key'];
        $key = strlen($conf[$key]) ? $key : 'default';
        // If no "default" property is available, then an empty string is returned
        if ($key === 'default' && $conf['default'] === NULL) {
            $theValue = '';
        } else {
            $theValue = $this->cObj->cObjGetSingle($conf[$key], $conf[$key . '.'], $key);
        }
        if (isset($conf['stdWrap.'])) {
            $theValue = $this->cObj->stdWrap($theValue, $conf['stdWrap.']);
        }
        return $theValue;
    }

}