array_dump:

echo t3lib_div::view_array($a);

Text verkürzen:

$this->cObj->crop($text,$len.'|'.$appendtext.'|'.$use_next_space);
bzw:
$GLOBALS['TSFE']->cObj->crop($text,$len.'|'.$appendtext.'|'.$use_next_space);

Text Wrappen:

mit konstantem String:

$wrapstring='<div>|</div>';
$content .= $this->cObj->dataWrap($wrapcontent,$wrapstring);

mit Typoscript-WrapObjekt:

$wrapobj = array ('case' => 'upper'
                 ,'stripHtml' => '1'
                 );
$content .= $this->cObj->stdWrap($wrapcontent,$wrapobj);

Text splitten (und wrappen)

$wrapconf['wrap']='<td class="col1">|</td> |*| <td class="colmid">|</td> |*| <td class="colend">|</td>';
$wrapconf['token']='|';
$wrapconf['outerWrap']='<table><tr>|</tr></table>';

$tabcont='';
foreach ($sammel as $record) {
	$line=implode('|',record);
	$tabcont.=$this->cObj->splitObj($line, $wrapconf);
}
$content=$this->cObj->wrap($tabcont,$wrapconf['outerWrap']);

($sammel)