Online PHP editor | rfc for qvnqV

@ 2014-05-26T06:04:02Z

<?php

function getTree($treeByParent, $treeByCat, $id, $lastId) {


    $gTree = [];

    if ($id != $lastId) {
    	$gTree[] = $id;

    	if ( isset($treeByCat[ $id ]) && count($treeByCat[ $id ]) > 0 ) $gTree = array_merge( getTree($treeByParent, $treeByCat, $treeByCat[ $id ], $id), $gTree);

    	if ( isset($treeByParent[ $id ]) && count($treeByParent[ $id ]) > 0 ) {

        	foreach ($treeByParent[ $id ] as $cat) {
                $gTree = array_merge( getTree($treeByParent, $treeByCat, $cat, $id), $gTree);
            }

    	}

    	return $gTree;
	}
}

function display_parent_nodes($data, $id)
{

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

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

    $childIds = array($id);

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

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

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

    foreach ($childIds as $childId) {

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

        foreach ($children as $ch) {

    		while (isset($data[$ch])) {
				$current = $data[$ch];
     	    	$child_id = $current === NULL ? "NULL" : $current;
     	    	$tree['children'][] = $child_id;
    		}

		}
	}
    echo " > ". implode(" > ", $tree['children']);

}


$treeByParent = array(

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

);

$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, rfc.property-hooks: 0 > 1 > 3 Fatal error: Out of memory (allocated 18878464 bytes) (tried to allocate 33554440 bytes) in /in/qvnqV on line 58 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for git.master_jit: 0 > 1 > 3 Fatal error: Out of memory (allocated 10489856 bytes) (tried to allocate 16777224 bytes) in /in/qvnqV on line 58 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

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