php二维数组,相同值求和,并返回新的数组答:<?php$old_arr = array( array(1,107,100,83,44,111), array(100,109,126,86,93,22), array(10,113,126,86,93,22), array(100,109,126,86,93,22),);$new_arr = array(0,0,0,0,0,0);foreach($old_arr as $arr){ for ($i = 0; $i < 6; $i++) ...
php取二维数组的值答:arr=array('a'=>array('1.1'=>1,'1.2'=>2,'1.3'=>3),'b'=>array('2.1'=>11,'2.2'=>22,'2.3'=>33),'c'=>array('3.1'=>111,'3.2'=>222,'3.3'=>333),'d'=>array('4.1'=>1111,'4.2'=>2222,'4.3'=>3333),'e'=>array('5.1'=>11111,'5.2'=...