<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);
$db_results = array(
array('cat' => 1, 'id' => 1),
array('cat' => 1, 'id' => 2),
array('cat' => 2, 'id' => 3),
array('cat' => 1, 'id' => 4)
);
$category_map = [];
foreach ( $db_results as $row ) {
$category_map[ $row['cat'] ][ $row['id'] ] = $row;
}
print_r($category_map);
- Output for 5.4.0 - 5.4.27, 5.4.38 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.6
- Array
(
[1] => Array
(
[1] => Array
(
[cat] => 1
[id] => 1
)
[2] => Array
(
[cat] => 1
[id] => 2
)
[4] => Array
(
[cat] => 1
[id] => 4
)
)
[2] => Array
(
[3] => Array
(
[cat] => 2
[id] => 3
)
)
)
- Output for 5.4.28 - 5.4.37
- Warning: ini_set() has been disabled for security reasons in /in/USTjS on line 3
Array
(
[1] => Array
(
[1] => Array
(
[cat] => 1
[id] => 1
)
[2] => Array
(
[cat] => 1
[id] => 2
)
[4] => Array
(
[cat] => 1
[id] => 4
)
)
[2] => Array
(
[3] => Array
(
[cat] => 2
[id] => 3
)
)
)
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/USTjS on line 13
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, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/USTjS on line 13
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/USTjS on line 13
Process exited with code 255.
preferences:
215.67 ms | 401 KiB | 329 Q