Online PHP editor | perf for Yfo1l

@ 2014-05-26T05:59:29Z

<?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;

    $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 $child_id) {

    	$children = array_keys($data, $child)
    	while (isset($data[$children])) {
			$current = $data[$children];
     	    $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) );

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.28	0.007	0.041	12.39
5.4.27	0.009	0.047	12.39
5.4.26	0.009	0.042	12.39
5.4.25	0.008	0.037	12.39
5.4.24	0.010	0.037	12.39
5.4.23	0.012	0.044	12.38
5.4.22	0.013	0.053	12.38
5.4.21	0.005	0.057	12.38
5.4.20	0.007	0.055	12.38
5.4.19	0.007	0.056	12.38
5.4.18	0.005	0.055	12.38
5.4.17	0.013	0.068	12.38
5.4.16	0.009	0.070	12.38
5.4.15	0.009	0.037	12.38
5.4.14	0.008	0.042	12.07
5.4.13	0.008	0.040	12.05
5.4.12	0.007	0.037	12.01
5.4.11	0.007	0.038	12.01
5.4.10	0.005	0.043	12.00
5.4.9	0.005	0.045	12.01
5.4.8	0.014	0.035	12.01
5.4.7	0.011	0.056	12.00
5.4.6	0.011	0.056	12.00
5.4.5	0.008	0.058	12.01
5.4.4	0.022	0.087	11.99
5.4.3	0.014	0.041	11.98
5.4.2	0.005	0.040	11.98
5.4.1	0.007	0.040	11.99
5.4.0	0.007	0.037	11.48
5.3.28	0.009	0.042	12.71
5.3.27	0.008	0.067	12.72
5.3.26	0.011	0.069	12.72
5.3.25	0.011	0.043	12.72
5.3.24	0.008	0.050	12.71
5.3.23	0.006	0.053	12.71
5.3.22	0.012	0.070	12.68
5.3.21	0.011	0.052	12.68
5.3.20	0.006	0.055	12.68
5.3.19	0.015	0.074	12.68
5.3.18	0.009	0.040	12.67
5.3.17	0.009	0.044	12.67
5.3.16	0.010	0.051	12.67
5.3.15	0.007	0.057	12.67
5.3.14	0.007	0.043	12.66
5.3.13	0.008	0.042	12.66
5.3.12	0.019	0.070	12.66
5.3.11	0.013	0.052	12.66
5.3.10	0.010	0.061	12.12
5.3.9	0.008	0.039	12.08
5.3.8	0.014	0.048	12.08
5.3.7	0.009	0.061	12.08
5.3.6	0.016	0.071	12.06
5.3.5	0.010	0.061	12.00
5.3.4	0.011	0.053	12.00
5.3.3	0.011	0.053	11.95
5.3.2	0.008	0.052	11.73
5.3.1	0.010	0.052	11.70
5.3.0	0.008	0.057	11.69

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