Online PHP editor | output for 5ZHPK

<?php $string = "Football / Germany / 1.Liga Football / Germany / 1.Liga Football / Germany / 2.Liga Football / Germany / 2.Liga Football / Germany / 2.Liga Football / England / 1.Liga Football / England / 1.Liga Football / England / 2.Liga Football / England / 2.Liga Football / England / 3.Liga Hockey / Germany / 1.Liga Hockey / Germany / 1.Liga Hockey / Germany / 2.Liga Fechten / Meisterschaft Fechten / Meisterschaft Fechten / Weltmeister"; class ArrayStacker { /** * Find double values in array and remove them * @param array $array */ protected function _filterArrayDistict($array) { $newArray = array(); foreach($array as $value) { if(!in_array($value, $newArray)) { $newArray[] = $value; } } return $newArray; } /** * Split the whole string into a big array * * @param string $string * @return array */ protected function _splitString($string) { $lines = explode("\n", $string); $i = 0; $array = array(); foreach($lines as $line) { $values = explode(' / ', $line); foreach($values as $v => $value) { $values[$v] = trim($value); // make sure we got no whitespaces } $array[$i] = $values; $i++; } return $array; } /** * Build a stacked array * * @param array $array unstacked array * @return stacked array */ protected function _stack($array) { $stackedArray = array(); $key = array_shift($array); $depth = count($array); if($depth == 1) { $stackedArray[$key] = $array[0]; // that's a single value } else { $subArray = $this->_stack($array); if($subArray != null) { $stackedArray[$key] = $subArray; } } return $stackedArray; } /** * Build stacked array from string * * @param string $string * @return array stacked array */ public function stackArray($string) { // Split the string to an array $array = $this->_splitString($string); // Filter out doubled values $array = $this->_filterArrayDistict($array); // Build stacked array $stackedArray = array(); foreach($array as $row) { $stackedArray = array_merge_recursive($stackedArray, $this->_stack($row)); } return $stackedArray; } } $arrayStacker = new ArrayStacker(); var_dump($arrayStacker->stackArray($string));