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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 8.3.0 - 8.3.6
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
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
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 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: _GLOBALS in /in/RK8iV on line 10 Notice: Trying to access array offset on value of type null in /in/RK8iV on line 10 Warning: Invalid argument supplied for foreach() in /in/RK8iV on line 10
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0, 7.3.32 - 7.3.33, 7.4.26
Warning: Invalid argument supplied for foreach() in /in/RK8iV on line 10
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31
Notice: Undefined variable: _GLOBALS in /in/RK8iV on line 10 Warning: Invalid argument supplied for foreach() in /in/RK8iV on line 10
Output for 4.3.11
preferences:
241.05 ms | 401 KiB | 357 Q