"Orange","Banana","Grape","Apple","Flower"); //////////////////////////////////////////////// echo "
//搜尋字串:不用計數器的while迴圈,印出陣列:
"; $txt="Apple2"; while(list($key,$v) = each($fruit)){ if($v==$txt){ echo "找到 $txt"; break; } if($key==count($fruit)){ echo "沒有找到 $txt"; } } echo "

"; //////////////////////////////////////////////// echo "
//搜尋字串:用函數:\$key = array_search('字串',陣列)。\$key是找到的位置,找不到傳回false
"; $txt="Apple3"; $key = array_search($txt,$fruit); if($key==false) echo "找不到".$txt; else echo "找到".$txt.",在第".$key."個位置"; ?>