Online PHP editor | output for 15Cjd

<?php function ruleTypes() { $ruleArray = []; $types = [0 => ['type' => 'required', 'value_1' => null, 'value_2'=> null], ['type' => 'min', 'value_1' => 3, 'value_2'=> 0, 'value_2'=> null], ['type' => 'max', 'value_1' => 10, 'value_2'=> null], ['type' => 'between', 'value_1' => 10, 'value_2'=> 100] ]; $arr = []; foreach ($types as $type) { if (\in_array($type['type'], getNoValidationValueRequired())){ $ruleArray[] = $type['type']; }else { $ruleArray[] = sortRulesOrder($type); // $value . ':' . $value } } return implode('|', $ruleArray); } function sortRulesOrder(array $type) { if($type['type']){ if($type['value_1'] && $type['value_2']) { return $type['type'] . ':' . $type['value_1'] .',' .$type['value_2']; } else { $value = $type['value_1'] ? $type['value_1'] : $type['value_2']; return $type['type'] . ':' . $value; } } } function getNoValidationValueRequired() { return ['required']; } var_dump(ruleTypes());