<?php

// your code goes here

	$states = 'states.txt';
	$stateContents = file($states);

	foreach($stateContents as $line) {  //перечисляем штаты строки 

			$lineArr =  explode("|", $line); //строку в массив с разд |
				$codes = $lineArr[1];
					foreach ($codes as $code) {
						$allCodes = explode(",", $code);

				}

			}