<?php $simpsons = array(); $simpsons[0] = array("name"=>"Abe","parent"=>-1); $simpsons[1] = array("name"=>"Homer","parent"=>0); // Homer's parent is Abe $simpsons[2] = array("name"=>"Bart","parent"=>1); // Bart's parent is Homer $simpsons[3] = array("name"=>"Lisa","parent"=>1); // Lisa's parent is Homer $simpsons[4] = array("name"=>"Maggie","parent"=>1); // Maggie's parent is Homer function get_children($parent) { global $simpsons; foreach ($simpsons as $index=>$onesimpson) { var_dump($onesimpson["parent"], $parent); if ($onesimpson["parent"]==$parent) { echo "$onesimpson[name] is a child of ".$simpsons[$parent]["name"].".<br />\n"; get_children($index); } } } get_children(0); ?>
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