我正在尝试删除数组键名称中的所有空格,即str_replace('','',$value)(或最坏的强制转换方案用下划线(_)替换它们)
我正试图在我的多维数组的最深处(如下所示)做到这一点(因为其他层/级别没有空间(感谢上帝!))
[...]
[ownPagestoriesbystorytype] => Array
(
[type] => pagestoriesbystorytype
[object_id] => 12365478954
[metric] => page_stories_by_story_type
[end_time] => 1386057600
[period] => 86400
[ownValues] => Array
(
[type] => pagestoriesbystorytypemetrics
[fan] => 1913
[page post] => 153
[user post] => 24
)
)
[ownPagestorytellersbystorytype] => Array
(
[type] => pagestorytellersbystorytype
[object_id] => 12365478954
[metric] => page_storytellers_by_story_type
[end_time] => 1386057600
[period] => 86400
[ownValues] => Array
(
[type] => pagestorytellersbystorytypemetrics
[fan] => 1902
[page post] => 137
[user post] => 9
)
)
[...]
到目前为止,我的尝试都没有结果:
[...]
if (is_array($value))
{
$keys = str_replace(' ','',array_keys($value));
$values = array_values($value);
$value = array_combine($keys,$values);
}
[...]
[...]
foreach ($value as $k => $v)
{
$b = str_replace(' ','',$k);
$value[$b] = $value[$k];
unset ($value[$k]);
}
[...]
但是,如果我把print_r($value);在循环的最后,你可以清楚地看到空格被删除了,只是不知怎么的,最终结果是空格(仍然)。
整个循环看起来是这样的:
for ($i=0;$i<count($results);$i++)
{
for ($j=0;$j<count($results[$i]);$j++)
{
foreach($results[$i][$j] as $key => $value)
{
$typee = ['type' => strtolower(str_replace('_','',$results[$i][$j]['metric']))];
array_insert($results[$i][$j],$typee,0);
if (is_array($value))
{
$keys = str_replace(' ','',array_keys($value));
$values = array_values($value);
$value = array_combine($keys,$values);
$type = ['type' => strtolower(str_replace('_','',$results[$i][$j]['metric']))."metrics"];
array_insert($results[$i][$j]['value'],$type,0);
$results[$i][$j]['ownValues'] = $results[$i][$j][$key];
unset($results[$i][$j][$key]);
}
}
}
}
你可以在这里看到整个阵列的样子:
如何用我选择的键和值(在php中)将数组前置到另一个数组的每个元素?
有什么建议吗?:)
这将有助于:
function fixArrayKey(&$arr)
{
$arr = array_combine(
array_map(
function ($str) {
return str_replace(" ", "_", $str);
},
array_keys($arr)
),
array_values($arr)
);
foreach ($arr as $key => $val) {
if (is_array($val)) {
fixArrayKey($arr[$key]);
}
}
}
测试如下:
$data = array (
"key 1" => "abc",
"key 2" => array ("sub 1" => "abc", "sub 2" => "def"),
"key 3" => "ghi"
);
print_r($data);
fixArrayKey($data);
print_r($data);
输入:
Array
(
[key 1] => abc
[key 2] => Array
(
[sub 1] => abc
[sub 2] => def
)
[key 3] => ghi
)
输出:
Array
(
[key_1] => abc
[key_2] => Array
(
[sub_1] => abc
[sub_2] => def
)
[key_3] => ghi
)
您可以将数组传递给str_replace
,这样做会更干净、更容易:
$my_array = array( 'one 1' => '1', 'two 2' => '2' );
$keys = str_replace( ' ', '', array_keys( $my_array ) );
$results = array_combine( $keys, array_values( $my_array ) );
结果:
array(2) {
["one1"]=>
string(1) "1"
["two2"]=>
string(1) "2"
}
示例:https://glot.io/snippets/ejej1chzg3
function array_stripstuff(&$elem)
{
if (is_array($elem)) {
foreach ($elem as $key=>$value)
$elem[str_replace(" ","-",$key)]=$value;
}
return $elem;
}
$strippedarray = array_walk_recursive($yourarray,'array_stripstuff');
好了:-)