Online PHP editor | output for RuFPp

@ 2015-08-18T14:37:41Z

<?php

$menu = array(
    array(1,3,'Wurm 1.1',    2, 10),
    array(2,6,'Vogel 2.1',   2, 30),
    array(3,0,'Tiger 1',     1, 10),
    array(4,6,'Hund 2.2',    2, 40),
    array(5,3,'Katze 1.2',   2, 11),
    array(6,0,'Pferd 2',     1, 20),
    array(7,1,'Baer 1.1.1',  3, 0),
    array(8,3,'Schwein 1.3', 2, 12),
    array(9,4,'Esel 2.2.1',  3, 0),
);

// Algorithmus hier

$result = array();

function flatten($arr) {
    global $result;
    foreach($arr as $r) {
        if(isset($r["r"])) {
            $x = $r["r"];
            unset($r["r"]);
            $result[] = $r;
            flatten($x);
        } else {
            $result[] = $r;
        }
    }
    
}


$tmp = array();

foreach($menu as &$m) {
    $id = $m[0];
    $ref = $m[1];
    $m["r"] = array_filter($menu, function($item) use ($id) {
        return $item[1] == $id;
    });
    
    if(sizeof($m["r"]) == 0) unset($m["r"]);
    
    if($ref == 0) {
        $tmp[] = $m;
    }
}

flatten($tmp);


$target = array(
    array(3,0,'Tiger 1',     1, 10),
    array(1,3,'Wurm 1.1',    2, 10),
    array(7,1,'Baer 1.1.1',  3, 0),
    array(5,3,'Katze 1.2',   2, 11),
    array(8,3,'Schwein 1.3', 2, 12),
    array(6,0,'Pferd 2',     1, 20),
    array(2,6,'Vogel 2.1',   2, 30),
    array(4,6,'Hund 2.2',    2, 40),
    array(9,4,'Esel 2.2.1',  3, 0),
);

var_dump($result == $target);

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: bool(true)
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 bool(true)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/RuFPp on line 40
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/RuFPp on line 40
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/RuFPp on line 37
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/RuFPp on line 37
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/RuFPp on line 37
Process exited with code 255.

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