PHP从数组中删除重复对象
我尝试了各种各样的PHP逻辑和PHP内置函数来删除重复值,但都不起作用。如果使用PHP从数组中删除重复对象,php,arrays,object,duplicate-removal,Php,Arrays,Object,Duplicate Removal,我尝试了各种各样的PHP逻辑和PHP内置函数来删除重复值,但都不起作用。如果使用array\u unique()in\u array()删除数组中的重复对象,则不会显示任何错误,但我的所有JQuery和CSS都不起作用 这就是我如何在while循环中创建我的person\u row\u数组的方法: $person_row = Person::findByID($pi_claimant_row->person_id); $person_row_array[] = $person_row;
array\u unique()in\u array()
删除数组中的重复对象,则不会显示任何错误,但我的所有JQuery和CSS都不起作用
这就是我如何在while循环中创建我的person\u row\u数组的方法:
$person_row = Person::findByID($pi_claimant_row->person_id);
$person_row_array[] = $person_row;
对象打印\u r如下所示:
Array
(
[0] => stdClass Object
(
[id] => 12
[flat_no] =>
[house_no] => *
[street] =>
[town] =>
[postcode] => *
[county] =>
)
[1] => stdClass Object
(
[id] => 14
[flat_no] => 2
[house_no] => 33
[street] => Street
[town] => Town
[postcode] => BB
[county] => County
)
[2] => stdClass Object
(
[id] => 14
[flat_no] => 2
[house_no] => 33
[street] => Street
[town] => Town
[postcode] => BB
[county] => County
)
[3] => stdClass Object
(
[id] => 14
[flat_no] => 2
[house_no] => 33
[street] => Street
[town] => Town
[postcode] => BB
[county] => County
)
[4] => stdClass Object
(
[id] => 15
[flat_no] => FN
[house_no] => HN
[street] => Street
[town] => Nelson
[postcode] => PC
[county] => Manchester
)
[5] => stdClass Object
(
[id] => 15
[flat_no] => FN
[house_no] => HN
[street] => Street
[town] => Nelson
[postcode] => PC
[county] => Manchester
)
[6] => stdClass Object
(
[id] => 16
[flat_no] => FN
[house_no] => house
[street] => Manchester Road
[town] => Town
[postcode] => M1 4MK
[county] => County
)
)
我想删除那些重复的,请帮助,请不要建议我使用array_unique(),我已经尝试了几个小时没有工作,但如果你能告诉我任何其他方法或添加对象,如果已经不存在
请注意,这是假的数据,我只想删除那些具有类似ID的数组
问候您请尝试以下代码
function my_array_unique($array, $keep_key_assoc = false){
$duplicate_keys = array();
$tmp = array();
foreach ($array as $key => $val){
// convert objects to arrays, in_array() does not support objects
if (is_object($val))
$val = (array)$val;
if (!in_array($val, $tmp))
$tmp[] = $val;
else
$duplicate_keys[] = $key;
}
foreach ($duplicate_keys as $key)
unset($array[$key]);
return $keep_key_assoc ? $array : array_values($array);
}
您可以使其对任何字段(键)都是唯一的,如id、名称或num
function unique_multidimensional_array($array, $key) {
$temp_array = array();
$i = 0;
$key_array = array();
foreach($array as $val) {
if (!in_array($val[$key], $key_array)) {
$key_array[$i] = $val[$key];
$temp_array[$i] = $val;
}
$i++;
}
return $temp_array;
}
这个怎么样
$dedup = function($array, $key) {
$result = [];
foreach($array as $i) {
if(!isset($result[$i->{$key}])) {
$result[$i->{$key}] = $i;
}
}
// sort($result); <-- Add this if you want to clean up the keys.
return $result;
};
$persons_without_duplicates = $dedup($person_row_array, 'id');
$dedup=函数($array,$key){
$result=[];
foreach($i数组){
如果(!isset($result[$i->{$key}])){
$result[$i->{$key}]=$i;
}
}
//排序($result);可能重复一行:array\u map('unserialize',array\u unique(array\u map('serialize',$person\u row\u array))
@自由职业者我说我试过arrayunique如果你听不懂英语,它就不起作用了告诉我你说哪种语言,我会把它翻译成你的语言。。otherwise@UsmanSharifAmjadKhan当您实现correct _utoString()时,它将起作用比较的方法。阅读自由职业者链接的接受答案carefully@UsmanSharifAmjadKhan如果你读了我发给你的链接,那家伙说你必须添加一个toString方法这段代码取自[,对吗?:)@DonJoe你提供的链接不再工作了,它移动了吗?@Seb这个链接:很好,它真的工作得很好