我得到了这个数组:
array(5) {
[0]=>
array(4) {
["nachricht"]=>
string(9) "blablaaaa"
["user"]=>
string(15) "334607943355808"
["datum"]=>
string(16) "18.09.2014 11:13"
["deleted"]=>
string(0) ""
}
[1]=>
array(4) {
["nachricht"]=>
string(3) "joo"
["user"]=>
string(15) "334607943355808"
["datum"]=>
string(16) "18.09.2014 11:56"
["deleted"]=>
string(15) "334607943355808"
}
[2]=>
array(4) {
["nachricht"]=>
string(4) "noma"
["user"]=>
string(15) "334607943355808"
["datum"]=>
string(16) "18.09.2014 11:56"
["deleted"]=>
string(0) ""
}
[3]=>
array(4) {
["nachricht"]=>
string(4) "test"
["user"]=>
string(15) "334607943355808"
["datum"]=>
string(16) "18.09.2014 11:56"
["deleted"]=>
string(0) ""
}
[4]=>
array(4) {
["nachricht"]=>
string(4) "doh!"
["user"]=>
string(15) "334607943355808"
["datum"]=>
string(16) "18.09.2014 11:56"
["deleted"]=>
string(0) ""
}
}
我想删除所有子数组,其中包括子数组中关键字"deleted"中的值334607943355808。我得到了这个代码:
if(($key = array_search("334607943355808", $array)) !== false) {
unset($array[$key]);
}
from:PHP数组按值(而非键)删除非多数组的地方,但在我的情况下如何做到这一点?
编辑:
我现在试过了:
foreach($array as $delete){
if(($key = array_search("334607943355808", $delete)) !== false) {
unset($delete[$key]);
}
}
但它不起作用
只是一个简单的foreach
,它引用了子数组:
foreach($array as &$sub_array) {
if($sub_array['deleted'] == '334607943355808') {
$sub_array = null;
break; //if there will be only one then break out of loop
}
}
或者通过主阵列中的键:
foreach($array as $key => $sub_array) {
if($sub_array['deleted'] == '334607943355808') {
unset($array[$key]);
break; //if there will be only one then break out of loop
}
}
您还可以提取deleted
值,按以下键搜索和取消设置:
if(($key = array_search('334607943355808',
array_column($array, 'deleted'))) !== false) {
unset($array[$key]);
}
你可以使用array_map()
。试试这个
$finalArr = array_map(function($v){
if($v['deleted'] == '334607943355808') unset($v['deleted']);
return $v;
}, $arr);