<?php
$source=json_decode('[{"title":"games","transaction_id":102,"order_id":"a"},{"title":"media","transaction_id":95,"order_id":"b"},{"title":"tv","transaction_id":102,"order_id":"a"},{"title":"jane","transaction_id":42,"order_id":"a"},{"title":"ads","transaction_id":95,"order_id":"b"},{"title":"movie","transaction_id":95,"order_id":"c"}]',true);
function merge(array $source)
{
$result=array();
foreach($source as $node)
{
$key=$node["transaction_id"]."_".$node["order_id"];
if(!empty($result[$key])) $result[$key][]=$node["title"];
else $result[$key]=array($node["title"]);
}
return array_values($result);
}
print_r($source);//Just for debug
print_r(merge($source));
- Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.2.18, 8.3.0 - 8.3.7
- Array
(
[0] => Array
(
[title] => games
[transaction_id] => 102
[order_id] => a
)
[1] => Array
(
[title] => media
[transaction_id] => 95
[order_id] => b
)
[2] => Array
(
[title] => tv
[transaction_id] => 102
[order_id] => a
)
[3] => Array
(
[title] => jane
[transaction_id] => 42
[order_id] => a
)
[4] => Array
(
[title] => ads
[transaction_id] => 95
[order_id] => b
)
[5] => Array
(
[title] => movie
[transaction_id] => 95
[order_id] => c
)
)
Array
(
[0] => Array
(
[0] => games
[1] => tv
)
[1] => Array
(
[0] => media
[1] => ads
)
[2] => Array
(
[0] => jane
)
[3] => Array
(
[0] => movie
)
)
- Output for 5.1.0 - 5.1.6
- Fatal error: Call to undefined function json_decode() in /in/e3ERO on line 2
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/e3ERO on line 3
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/e3ERO on line 3
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/e3ERO on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/e3ERO on line 3
Process exited with code 255.
preferences:
255.14 ms | 401 KiB | 386 Q