Online PHP editor | rfc for A4SuA

@ 2014-05-26T06:14:44Z

<?php


function getParentAndChild($data, $id)
{

	$tree = array(
		"parents"  => array(),
        "children" => array(),
        "full"     => array()
    );

    $current = $data[$id];
    $parent_id = $current === NULL ? "NULL" : $current;

    $child_ids = array($id);

    $tree['parents'][] = $parent_id;

    while (isset($data[$parent_id])) {
        $current = $data[$parent_id];
        $parent_id = $current === NULL ? "NULL" : $current;
        $tree['parents'][] = $parent_id;
    }

    while ( count($child_ids) > 0 ) {

        foreach($child_ids as $child_id) {

    		$children = array_keys($data, $child_id);

        	foreach ($children as $child) $tree['children'][] = $child;

        	$child_ids = $children;

        }
	}

    $tree['full'] = array_merge(array_reverse($tree['parents']), $tree['children']);

    echo implode(" > ", $tree['full']);

}


$treeByCat = array(

	1 => 0,
    2 => 0,
    3 => 1,
    7 => 1,
    4 => 3,
    5 => 4,
    6 => 5,
    8 => 5

);

print_r( display_parent_nodes($treeByCat, 4) );

//print_r( getTree($treeByParent, $treeByCat, 4, 0) );

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined function display_parent_nodes() in /in/A4SuA:59 Stack trace: #0 {main} thrown in /in/A4SuA on line 59
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
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2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
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