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@ 2022-10-12T09:06:56Z

<?php

$rows = [
    ['name' => 'blah', 'path' => 'A'],
    ['name' => 'blah', 'path' => 'AA'],
    ['name' => 'blah', 'path' => 'AB'],
    ['name' => 'blah', 'path' => 'C'],
    ['name' => 'blah', 'path' => 'D'],
    ['name' => 'blah', 'path' => 'B'],
    ['name' => 'blah', 'path' => 'BA'],
    ['name' => 'blah', 'path' => 'BAA'],
    ['name' => 'blah', 'path' => 'CA'],
];

function rowsToTree(&$array, $parent = '') {
    $children = [];
    foreach ($array as $i => &$row) {
        if ($parent === substr($row['path'], 0, -1)) {
            $found = rowsToTree($array, $row['path']);
            if ($found) {
                $row['children'] = $found;
                if ($parent) {
                    unset($array[$i]);
                }
            }
            if ($parent) {
                $children[] = $row;
                unset($array[$i]);
            }
        }
    }
    return $children;
}
rowsToTree($rows);
var_export($rows);

Output for git.master_jit, git.master, rfc.property-hooks: array ( 0 => array ( 'name' => 'blah', 'path' => 'A', 'children' => array ( 0 => array ( 'name' => 'blah', 'path' => 'AA', ), 1 => array ( 'name' => 'blah', 'path' => 'AB', ), ), ), 3 => array ( 'name' => 'blah', 'path' => 'C', 'children' => array ( 0 => array ( 'name' => 'blah', 'path' => 'CA', ), ), ), 4 => array ( 'name' => 'blah', 'path' => 'D', ), 5 => array ( 'name' => 'blah', 'path' => 'B', 'children' => array ( 0 => array ( 'name' => 'blah', 'path' => 'BA', 'children' => array ( 0 => array ( 'name' => 'blah', 'path' => 'BAA', ), ), ), ), ), )

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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