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<?php class Arr { public static function dot($array, $prepend = '') { $output = array(); foreach($array as $k => $v) { if(is_array($v)) { $output = array_merge($output, static::dot($v, $prepend . $k . '.')); } else { $output[$prepend . $k] = $v; } } return $output; } public static function dotRev($array, $count = 1, $keySearchPrepend = '') { $output = array(); foreach($array as $ks => $v) { $ks2 = explode('.', $ks); $k = static::lastV($ks2); if(count($ks2) > $count) { $output[$k] = static::dotRev($array, $count + 1, $keySearchPrepend . $k . '.'); } else { if($ks !== $keySearchPrepend . $k) continue; $output[$k] = $v; } } } public static function firstV($array) { if(count($array) < 1) return null; $values = array_values($array); return $values[0]; } public static function lastV($array) { if(count($array) < 1) return null; $values = array_values($array); return $values[(count($values) - 1)]; } public static function firstK($array) { if(count($array) < 1) return null; $values = array_keys($array); return $values[0]; } public static function lastK($array) { if(count($array) < 1) return null; $values = array_keys($array); return $values[(count($values) - 1)]; } } var_dump(Arr::dotRev(Arr::dot(array( 'app' => array ( 'Widgets' => array ( ), 'config' => array ( 'enviornments' => array ( 'development' => array ( 0 => 'development.meta.php', ), 'maintanence' => array ( 0 => 'maintanence.meta.php', ), 'production' => array ( 0 => 'production.meta.php', ), ), 'subdomains' => array ( 'blog' => array ( 0 => 'blog.meta.php', ), 'files' => array ( 0 => 'files.meta.php', ), 'i' => array ( 0 => 'i.meta.php', ), 'www' => array ( 0 => 'paths.php', 1 => 'www.meta.php', ), ), 0 => 'app.php', 1 => 'database.php', 2 => 'paths.php', ), 'controllers' => array ( 'blog' => array ( ), 'files' => array ( ), 'i' => array ( ), 'www' => array ( ), ), 'models' => array ( 'blog' => array ( ), 'files' => array ( ), 'i' => array ( ), 'www' => array ( ), ), 'views' => array ( 'blog' => array ( ), 'files' => array ( ), 'i' => array ( ), 'www' => array ( ), ), 0 => 'routing.php', ), 'bootstrap' => array ( 0 => 'autoload.php', ), 'engine' => array ( 'Assets' => array ( 0 => 'Asset.php', 1 => 'Assets.php', ), 'Auth' => array ( ), 'Console' => array ( 0 => 'Factory.php', 1 => 'Manager.php', ), 'Core' => array ( 'App' => array ( 0 => 'Application.php', 1 => 'Enviornments.php', ), 'Errors' => array ( 0 => 'Error.php', 1 => 'ErrorMessages.php', 2 => 'Errors.php', ), 'Settings' => array ( 0 => 'Factory.php', 1 => 'Settings.php', ), 0 => 'Constants.php', 1 => 'Functions.php', ), 'Database' => array ( 'QueryBuilder' => array ( 0 => 'Builder.php', 1 => 'Factory.php', ), 0 => 'Database.php', ), 'Filesystem' => array ( 'Exception' => array ( 0 => 'FileNotFound.php', 1 => 'Filesytem.php', ), 0 => 'Directory.php', 1 => 'File.php', 2 => 'FilePartInterface.php', 3 => 'Filesystem.php', ), 'Html' => array ( 'Table' => array ( 0 => 'AbstractTablePart.php', 1 => 'TableBody.php', 2 => 'TableBuilder.php', 3 => 'TableFooter.php', 4 => 'TableHeader.php', 5 => 'TableRow.php', ), 0 => 'Assets.php', 1 => 'HtmlFactory.php', 2 => 'HtmlTag.php', 3 => 'HtmlTags.php', ), 'Http' => array ( 'Request' => array ( 0 => 'Factory.php', 1 => 'HttpRequest.php', 2 => 'HttpResponse.php', ), 'Route' => array ( 0 => 'Router.php', ), ), 'Logger' => array ( 'Loggers' => array ( 0 => 'ConsoleLogger.php', 1 => 'DevWebLogger.php', 2 => 'NullLogger.php', 3 => 'StandardLogger.php', 4 => 'WebLogger.php', ), 0 => 'AbstractLogger.php', 1 => 'LoggerInterface.php', 2 => 'LoggerLevel.php', ), 'Request' => array ( 0 => 'Factory.php', 1 => 'Request.php', ), 'Support' => array ( 'DataTypes' => array ( 0 => 'Arr.php', ), 'Interfaces' => array ( 0 => 'Arrayable.php', 1 => 'Renderable.php', ), 'Traits' => array ( ), 0 => 'ArrayUtils.php', 1 => 'Constants.php', 2 => 'DataUtils.php', 3 => 'Factory.php', 4 => 'StaticInstance.php', 5 => 'StringUtils.php', 6 => 'Utilities.php', ), 'Views' => array ( 0 => 'AbstractTemplate.php', 1 => 'CompiledTemplate.php', 2 => 'NativeTemplate.php', 3 => 'TemplatingErrorExcpetion.php', 4 => 'ViewNotFoundException.php', ), 'Widgets' => array ( 'FileStructure' => array ( 0 => 'Factory.php', 1 => 'FileStructure.php', ), ), ), 'library' => array ( ), 'public' => array ( 'blog' => array ( ), 'files' => array ( ), 'i' => array ( ), 'www' => array ( 0 => 'index.php', ), ), 0 => '.htaccess', 1 => 'debug.txt', 2 => 'debug2.txt', 3 => 'debug3.txt', 4 => 'output.txt', 5 => 'test.php', ))));
Output for 5.3.0 - 7.1.0

Process exited with code 137.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC in /in/6jbKS on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/6jbKS on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/6jbKS on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/6jbKS on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/6jbKS on line 4
Process exited with code 255.