php, 3 array to one array merge alternative - php

Question

I have 3 arrays. These inter-related. I want to combine these statements.
<?php
$post = array(
array (
'id' => 1,
'title' => 'Title 1',
'content' => 'Content 1'
),
array (
'id' => 2,
'title' => 'Title 2',
'content' => 'Content 2'
),
array (
'id' => 3,
'title' => 'Title 3',
'content' => 'Content 3'
),
);
$user = array(
array (
'id' => 1,
'name' => 'Mark'
),
array (
'id' => 2,
'name' => 'Selena'
)
);
$post_user = array(
array (
'id' => 1,
'post_id' => 1,
'user_id' => 1
),
array (
'id' => 2,
'post_id' => 2,
'user_id' => 1
),
array (
'id' => 3,
'post_id' => 3,
'user_id' => 2
),
);
$merge = array();
foreach($posts_user as $data){
foreach ($posts as $post){
if($data['post_id'] == $post['id'] ){
foreach ($users as $user){
if($data['user_id'] == $user['id']){
$post['user'] = $user;
$merge['post'][] = $post;
}
}
}
}
}
print_r($merge);
I want to be as follows. How can I do it?
I want results.
$merge = array(
array (
'id' => 1,
'title' => 'Title 1',
'content' => 'Content 1',
'user' => array (
'id' => '1',
'name' => 'Mark'
),
),
array (
'id' => 2,
'title' => 'Title 2',
'content' => 'Content 2',
'user' => array (
'id' => '1',
'name' => 'Mark'
),
),
array (
'id' => 3,
'title' => 'Title 3',
'content' => 'Content 3',
'user' => array (
'id' => '2',
'name' => 'Selena'
),
),
);
Is there another alternative? For example; How do I do with them?
array_walk_recursive(), ArrayIterator(), RecursiveArrayIterator()

Answer 1

I tried to do.
<?php
$post = array(
array (
'id' => 1,
'title' => 'Title 1',
'content' => 'Content 1'
),
array (
'id' => 2,
'title' => 'Title 2',
'content' => 'Content 2'
),
array (
'id' => 3,
'title' => 'Title 3',
'content' => 'Content 3'
),
);
$user = array(
array (
'id' => 1,
'name' => 'Mark'
),
array (
'id' => 2,
'name' => 'Selena'
)
);
$post_user = array(
array (
'id' => 1,
'post_id' => 1,
'user_id' => 1
),
array (
'id' => 2,
'post_id' => 2,
'user_id' => 1
),
array (
'id' => 3,
'post_id' => 3,
'user_id' => 2
),
);
$newuser = array();
foreach($post_user as $data){
foreach ($user as $users){
if($data['user_id'] == $users['id']){
$newuser[] = $users;
}
}
}
$mi = new MultipleIterator(MultipleIterator::MIT_NEED_ALL|MultipleIterator::MIT_KEYS_ASSOC);
$mi->attachIterator(new ArrayIterator($post),1);
$mi->attachIterator(new ArrayIterator($newuser),'user');
$newArray = array();
foreach($mi as $details) {
$newArray[] = $details;
}
print_r($newArray);
Results
Array
(
[0] => Array
(
[1] => Array
(
[id] => 1
[title] => Title 1
[content] => Content 1
)
[user] => Array
(
[id] => 1
[name] => Mark
)
)
[1] => Array
(
[1] => Array
(
[id] => 2
[title] => Title 2
[content] => Content 2
)
[user] => Array
(
[id] => 1
[name] => Mark
)
)
[2] => Array
(
[1] => Array
(
[id] => 3
[title] => Title 3
[content] => Content 3
)
[user] => Array
(
[id] => 2
[name] => Selena
)
)
)