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<?php function setValueInNestedArray(&$array, $path, $value, $delimiter = '.'){ $pathSegments = explode($delimiter, $path); $currentNode = &$array; foreach($pathSegments as $pathSegment) { if(!is_array($currentNode[$pathSegment])) { $currentNode[$pathSegment] = []; } $currentNode = &$currentNode[$pathSegment]; } $currentNode = $value; } function getValueInNestedArray($array, $path, $defaultValue, $delimiter = '.'){ $pathSegments = explode($delimiter, $path); $pathExists = true; $currentNode = &$array; foreach($pathSegments as $pathSegment) { if(is_array($currentNode[$pathSegment])) { $currentNode = &$currentNode[$pathSegment]; } else { $pathExists = false; } } return $pathExists ? $currentNode : $defaultValue; } $arr =[]; setValueInNestedArray($arr, 'a.b.c.d', 'e'); print_r($arr); print_r(getValueInNestedArray($arr, 'a', null)); print_r(getValueInNestedArray($arr, 'a.b.c.d', null)); print_r(getValueInNestedArray($arr, 'e.f.g', null)); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined array key "a" in /in/hJUJX on line 8 Warning: Undefined array key "b" in /in/hJUJX on line 8 Warning: Undefined array key "c" in /in/hJUJX on line 8 Warning: Undefined array key "d" in /in/hJUJX on line 8 Array ( [a] => Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) ) Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) Warning: Undefined array key "e" in /in/hJUJX on line 22 Warning: Undefined array key "f" in /in/hJUJX on line 22 Warning: Undefined array key "g" in /in/hJUJX on line 22
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined array key "a" in /in/hJUJX on line 8 Warning: Undefined array key "b" in /in/hJUJX on line 8 Warning: Undefined array key "c" in /in/hJUJX on line 8 Warning: Undefined array key "d" in /in/hJUJX on line 8 Array ( [a] => Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) ) Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) Warning: Undefined array key "e" in /in/hJUJX on line 22 Warning: Undefined array key "f" in /in/hJUJX on line 22 Warning: Undefined array key "g" in /in/hJUJX on line 22
Output for 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 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: a in /in/hJUJX on line 8 Notice: Undefined index: b in /in/hJUJX on line 8 Notice: Undefined index: c in /in/hJUJX on line 8 Notice: Undefined index: d in /in/hJUJX on line 8 Array ( [a] => Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) ) Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) Notice: Undefined index: e in /in/hJUJX on line 22 Notice: Undefined index: f in /in/hJUJX on line 22 Notice: Undefined index: g in /in/hJUJX on line 22
Output for 7.3.32 - 7.3.33
Array ( [a] => Array ( [b] => Array ( [c] => Array ( [d] => e ) ) ) ) Array ( [b] => Array ( [c] => Array ( [d] => e ) ) )
preferences:
187.68 ms | 402 KiB | 291 Q