<?php
$blogPosts = [
[
"id" => 0,
"title" => "first blogpost",
"content" => "blogpost text"
],
[
"id" => 1,
"title" => "second blogpost",
"content" => "blogpost 2 text"
],
];
$comment = [
"user" => "myusername",
"comment" => "first post was better!"
];
$blogPostIds = [0,1,1];
foreach ($blogPostIds as $blogPostId) {
$blogPosts = array_map(function ($blogPost) use ($blogPostId, $comment) {
if ($blogPost["id"] === $blogPostId) {
isset($blogPost["comments"]) ? $blogPost["comments"][] = $comment : $blogPost["comments"] = [$comment];
return $blogPost;
}
return $blogPost;
}, $blogPosts);
}
print_r($blogPosts);
- Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
- Array
(
[0] => Array
(
[id] => 0
[title] => first blogpost
[content] => blogpost text
[comments] => Array
(
[0] => Array
(
[user] => myusername
[comment] => first post was better!
)
)
)
[1] => Array
(
[id] => 1
[title] => second blogpost
[content] => blogpost 2 text
[comments] => Array
(
[0] => Array
(
[user] => myusername
[comment] => first post was better!
)
[1] => Array
(
[user] => myusername
[comment] => first post was better!
)
)
)
)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Array
(
[0] => Array
(
[id] => 0
[title] => first blogpost
[content] => blogpost text
[comments] => Array
(
[0] => Array
(
[user] => myusername
[comment] => first post was better!
)
)
)
[1] => Array
(
[id] => 1
[title] => second blogpost
[content] => blogpost 2 text
[comments] => Array
(
[0] => Array
(
[user] => myusername
[comment] => first post was better!
)
[1] => Array
(
[user] => myusername
[comment] => first post was better!
)
)
)
)
preferences:
134.27 ms | 404 KiB | 214 Q