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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) { foreach ($_GLOBALS['simpsons'] as $index=>$onesimpson) { if ($onesimpson["parent"]==$parent) { echo "$onesimpson[name] is a child of ".$_GLOBALS['simpsons'][$parent]["name"].".<br />\n"; get_children($index); } } } get_children(0); ?>
Output for git.master, git.master_jit
Warning: Undefined variable $_GLOBALS in /in/RK8iV on line 10 Warning: Trying to access array offset on value of type null in /in/RK8iV on line 10 Warning: foreach() argument must be of type array|object, null given in /in/RK8iV on line 10
Output for rfc.property-hooks
Warning: Undefined variable $_GLOBALS in /in/RK8iV on line 10 Warning: Trying to access array offset on null in /in/RK8iV on line 10 Warning: foreach() argument must be of type array|object, null given in /in/RK8iV on line 10

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