- implode: documentation ( source)
<?php
$tab = array();
$tab['1HL0TG75HTG66'][] = 970;
$tab['184114236'][] = 947;
$tab['184112798'][] = 941;
$tab['184110645'][] = 936;
$tab['184108013'][] = 927;
$tab['184109293'][] = 924;
$tab['403-9007013-8165913'][] = 817;
$tab['1504070426PQAIT'][] = 738;
$tab['1PDZBM4UIWC5C'][] = 873;
$tab['1HHR73LU3IXOY'][] = 870;
$tab['1WE6TZZYKD51K'][] = 866;
$tab['1H9RTLWOCZ45Y'][] = 830;
$tab['1WJN4PH2A17HM'][] = 892;
$tab['00BQKFKNQDLEQ'][] = 878;
$tab['1H9YGM72ZIUHW'][] = 876;
$tab['12OKPKSS0LFBA'][] = 922;
$tab['1A49OASXRFXNI'][] = 915;
$tab['19OGEGES16QWI'][] = 903;
$tab['122E6LJ6XZ4EI'][] = 898;
$tab['0NCE0T25P7K6M'][] = 884;
$tab['1HNIIQMVVY1JO'][] = 854;
$tab['12G1ZLW2BP91Y'][] = 841;
$tab['1HHISKZNX7WRC'][] = 839;
$tab['00M9MNCJ5ZTHW'][] = 836;
$tab['12GHSJK8BBTRQ'][] = 834;
$tab['0N9FYCMR8C0B2'][] = 831;
$tab['1WH3K7MGRTUFQ'][] = 857;
$tab['1WE77W4GXWF34'][] = 851;
$tab['0UN1RY9G6XKDS'][] = 847;
$tab['07M5137O20O0K'][] = 844;
$tab['07OBQE3DPJXSM'][] = 889;
$tab['1PE28FM8YZTQQ'][] = 886;
$tab['0FT5DWFLJRODM'][] = 861;
$tab['00JTSCT9DN72O'][] = 828;
$tab['12G2Z1EA8EQ4C'][] = 826;
$tab['07UERQ64LHXIM'][] = 824;
$tab['0MVVHOQJDNNQU'][] = 822;
$tab['087MZHHLMN3FU'][] = 820;
$tab['183811295'][] = 505;
$tab['183811295'][] = 504;
$tab['183811295'][] = 503;
$tab['183817993'][] = 502;
$tab['183820140'][] = 500;
$tab['183820140'][] = 499;
$tab['183823273'][] = 498;
$tab['183827030'][] = 496;
$tab['183827030'][] = 494;
$tab['183672225'][] = 493;
$tab['183672225'][] = 492;
foreach($tab as $key => $value) {
echo $key.";".implode(';', $value)."\r\n";
}