Online PHP editor | rfc for Q7X8F

@ 2016-09-07T14:03:27Z

<?php

// Fetch data from BD
// $options = $stmt->query("SELECT * FROM Options")->fetch_all(PDO::FETCH_ASSOC);

$options = [
	['id' => 1,	'name' => 'admin',	'ref' => 0],
	['id' => 2,	'name' => 'A',	'ref' => 1],
	['id' => 3,	'name' => 'B',	'ref' => 2],
	['id' => 4,	'name' => 'C',	'ref' => 1],
	['id' => 5,	'name' => 'D',	'ref' => 2],
	['id' => 6,	'name' => 'E',	'ref' => 3],
	['id' => 7,	'name' => 'F',	'ref' => 3],
	['id' => 8,	'name' => 'G',	'ref' => 2],
];



$nodes = array();
$roots = array();

// init nodes indexed by IDs
foreach ($options as $option) {
    $option['subIds'] = array(); // init subIds
    $nodes[$option['id']] = $option;
}

// build a recursive structure (by reference)
foreach ($options as $option) {
    if ($option['ref'] == 0) {
        $roots[] = $option['id']; // add a root
    } else {
        $nodes[$option['ref']]['subIds'][] = $option['id']; // add a subnode
    }
}

// build recursive HTML-List
function getSubtreeHTMLList($subOptionIds, $nodes) {
    $result = '<ul>';
    foreach ($subOptionIds as $optionsId) {
        $result .= '<li>';
        $result .= $nodes[$optionsId]['name'];
        if (count($nodes[$optionsId]['subIds'] > 0)) {
            $result .= getSubtreeHTMLList($nodes[$optionsId]['subIds'], $nodes);
        }
        $result .= '</li>';
    }
    $result .= '</ul>';
    return $result;
}

echo getSubtreeHTMLList($roots, $nodes);

?>

Output for git.master, git.master_jit: Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /in/Q7X8F:43 Stack trace: #0 /in/Q7X8F(52): getSubtreeHTMLList(Array, Array) #1 {main} thrown in /in/Q7X8F on line 43
Process exited with code 255.
Output for rfc.property-hooks: Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, true given in /in/Q7X8F:43 Stack trace: #0 /in/Q7X8F(52): getSubtreeHTMLList(Array, Array) #1 {main} thrown in /in/Q7X8F on line 43
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
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