$str ="a,b,c,d,e";转成
$array =(
array('hehe'=>a,'haha'=>a),
array('hehe'=>b,'haha'=>b),
array('hehe'=>c,'haha'=>c),
array('hehe'=>d,'haha'=>d),
array('hehe'=>e,'haha'=>e),)求高人帮忙
$array =(
array('hehe'=>a,'haha'=>a),
array('hehe'=>b,'haha'=>b),
array('hehe'=>c,'haha'=>c),
array('hehe'=>d,'haha'=>d),
array('hehe'=>e,'haha'=>e),)求高人帮忙
return array('hehe' => $v, 'haha' => $v);
}Array
(
[0] => Array
(
[hehe] => a
[haha] => a
) [1] => Array
(
[hehe] => b
[haha] => b
) [2] => Array
(
[hehe] => c
[haha] => c
) [3] => Array
(
[hehe] => d
[haha] => d
) [4] => Array
(
[hehe] => e
[haha] => e
))
$str = "a,b,c,d,e";
$arr = explode(',',$str);
$array = "";
foreach($arr as $key => $val){
$array[$key] = array('hehe' => $val, 'haha' => $val);
}
问下这个和一楼的应该有效率问题,一楼的效率是不是高?内置的函数一般是不是都效率比较高呢?