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<?php $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; echo $parent; foreach ($simpsons as $index=>$onesimpson) { if ($onesimpson["parent"]==$parent) { echo "$onesimpson[name] is a child of ".$simpsons[$parent]["name"].".<br />\n"; get_children($index); } } } get_children(0); ?>
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6
0Homer is a child of Abe.<br /> 1Bart is a child of Homer.<br /> 2Lisa is a child of Homer.<br /> 3Maggie is a child of Homer.<br /> 4
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
0Homer is a child of Abe.<br /> 1Bart is a child of Homer.<br /> 2
preferences:
305.51 ms | 402 KiB | 459 Q