<?php
$reader = fopen("php://stdin", "r");
$lines = array();
$combined = array();

$keys = array ("Name", "Address", "Telephone", "Sex", "Visited exhibition");

for ($counter = 0; $buffer = fgets($reader); $counter++) {
    $lines[$counter] = explode(" | ", $buffer);
    $combined[$counter] = array_combine($keys, $lines[$counter]);
}
print_r($combined);