$arr2=array(
Array(12,23,34,45),
Array (34,45,67,89),
Array( 56,78,90,1)
)
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<?php
$arr2?=?array(
????array(12,?23,?34,?45),
????array(34,?45,?67,?89),
????array(56,?78,?90,?1)
);
$sum?=?0;
//?遍歷
foreach?($arr2?as?$subArray)?{
?????//?遍歷
????foreach?($subArray?as?$value)?{
????????//?判斷奇數(shù)項(xiàng)
????????if?($value?%?2?!=?0)?{
????????????$sum?+=?$value;
????????}
????}
}
echo?$sum;
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