ec(2); http://topic.111cn.net/u/20071202/16/e53996de-4725-4dfa-bf14-c197afeed93c.html phpclass engage{ public function getArray() { $arr1 = array ( ''0'' => array (''fid'' => 1, ''tid'' => 1, ''name'' => ''Name1'' ), ''1'' => array (''fid'' => 1, ''tid'' => 2 , ''name'' => ''Name2'' ), ''2'' => array (''fid'' => 1, ''tid'' => 5 , ''name'' => ''Name3'' ), ''3'' => array (''fid'' => 1, ''tid'' => 7 , ''name'' => ''Name4'' ), ''4'' => array (''fid'' => 3, ''tid'' => 9, ''name'' => ''Name5'' ) ); $arr2 = array(); foreach ($arr1 as $key => $value) { $arr2[$value[''fid'']][] = array(''tid'' => $value[''tid''],''name'' => $value[''name'']); } return $arr2; } //print_r($arr2); //$eString = ''open_door''; public function getString($eString = null) { $eString = explode(''_'',$eString); $eString = array_map("ucfirst",$eString); $eString = implode($eString,''''); return $eString; } /** * 冒泡排序 * @return unknown */ public function getBubble() { $isOver = false; $bubbleArray = array(10,2,36,14,10,25,23,85,99,45); $bubbleResult = $bubbleArray; do{ $bubbleArray = $bubbleResult; $isOver = true; foreach ($bubbleArray as $key => $value) { if ($value $bubbleResult[$key-1]) { $bubbleResult[$key]=$bubbleResult[$key-1]; $bubbleResult[$key-1]=$value; $isOver = false; } } }while (!$isOver); return $bubbleResult; }}$engage = new engage();print_r($engage->getArray());echo $engage->getString(''make_by_id'');print_r($engage->getBubble());?>pre> php/** * 第二题正则替换实现. * */function getString($eString = null){ $eString = preg_replace(array("/(^[a-z]{1}|_[a-z]{1})/e",''/_/''), array("strtoupper(''1'')",''''), $eString); return $eString;}?>