Create nested list from Multidimensional Array
$a=array (
'0' => array (
'id' => 1,
'title' => "Title 1",
'parent_id' => 'NULL',
'depth' => 0
),
'1' => array (
'id' => 2,
'title' => "Title 2",
'parent_id' => 'NULL',
'depth' => 0
),
'2' => array (
'id' => 3,
'title' => "Title 3",
'parent_id' => 2,
'depth' => 1
),
'3' => array (
'id' => 4,
'title' => "Title 4",
'parent_id' => 2,
'depth' => 1
),
'4' => array (
'id' => 5,
'title' => "Title 5",
'parent_id' => 'NULL',
'depth' => 0
),
'5' => array (
'id' => 6,
'title' => "Title 6",
'parent_id' => 4,
'depth' => 0
)
);
$level = 'NULL';
function r( $a, $level) {
$r = '' ;
foreach ( $a as $i ) {
if ($i['parent_id'] == $level ) {
$r = $r . "<li>" . $i['title'] . r( $a, $i['id'] ) . "</li>";
}
}
return ($r==''?'':"<ol>". $r . "</ol>");
}
print r( $a, $level );
9694183f-fda4-4225-9082-b99e2130eeb0
Created on: 12th October, 2022
Last updated: 12th October, 2022
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