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<?php $input = [ 'a.b.c.d = 1', 'a.b.c.e = Joey', 'a.b.c.f = Smith', 'a.b.g.d = 2', 'a.b.g.e = Chris', 'a.b.g.f = Divner' ]; $data = []; $cleanKeys = []; foreach($input as $record) { $equals = strrpos($record, '='); $value = trim(substr($record, $equals+1)); $key = trim(substr($record, 0, $equals)); $lastDot = strrpos($key, '.'); $appKey = substr($key, $lastDot+1); $curKey = substr($key, 0, $lastDot); $data[$curKey][$appKey] = $value; if (strpos($curKey, '.') !== FALSE) { $cleanKeys[] = $curKey; } } foreach($data as $k => $v){ $keys = explode('.', $k); $firstKey = array_shift($keys); $newData = []; while($key = array_pop($keys)) { if (count($newData) === 0) { $newData[$key] = $v; } else { $newData = [$key => $newData]; } } $data = array_merge_recursive($data, $newData); unset($data[$k]); } echo var_export($data);
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 - 8.3.4, 8.3.6
array ( 'b' => array ( 'c' => array ( 'd' => '1', 'e' => 'Joey', 'f' => 'Smith', ), 'g' => array ( 'd' => '2', 'e' => 'Chris', 'f' => 'Divner', ), ), )
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 array ( 'b' => array ( 'c' => array ( 'd' => '1', 'e' => 'Joey', 'f' => 'Smith', ), 'g' => array ( 'd' => '2', 'e' => 'Chris', 'f' => 'Divner', ), ), )
Output for 4.4.2 - 4.4.9, 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/5RUJO on line 3
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/5RUJO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5RUJO on line 3
Process exited with code 255.

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