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<?php function findElementR(&$array, $id) { foreach($array AS &$v){ if($v['id'] == $id){ $v['children'] = []; return $v; } if(!empty($v['children'])){ $_n = findElementR($_n['children'], $id); if(!empty($_n)) return $_n; } } } $ar = [['parentId'=>3,'id'=>1],['parentId'=>3,'id'=>2]]; $n= findElementR($ar,1); print_r($n); $n['children'] = []; print_r($ar);
Output for 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
Array ( [parentId] => 3 [id] => 1 [children] => Array ( ) ) Array ( [0] => Array ( [parentId] => 3 [id] => 1 [children] => Array ( ) ) [1] => Array ( [parentId] => 3 [id] => 2 ) )
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/umaG2 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/umaG2 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/umaG2 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/umaG2 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/umaG2 on line 4
Process exited with code 255.

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