Data File looks like (Random data made up):

3904832945209850 dvjswv09we0werf8208wf99dsf9s0d9f8s9g7h
3904832945209850 dvjswv09we0werf8208wf99dsf9s0d9f8s9g7h
3904832945209850 dvjswv09we0werf8208wf99dsf9s0d9f8s9g7h
3904832945209850 dvjswv09we0werf8208wf99dsf9s0d9f8s9g7h


<?php

## processes a cdr file, splitting the cdr lines up for database insert of whatever...

function breakupline($def, $data){
        #$match = '';
        #foreach($def as $k=>$v){
        #       $match .= '(.{'.$v.'})';
        #}
        preg_match('/(.{'.implode('})(.{', array_values($def)).'})/', $data, $matches);
        return $matches;
}


$Breakup = array(
        'RecordType' => 2,
        'CDRId' => 12,
        'AccountNumber' => 14,
        'ServiceNumber' => 24,
        'ServiceNumberType' => 6,
        'TransactionDate' => 14,
        'BillClass' => 6,
        'ElementID' => 6,
      );
$data = file_get_contents('datfile.dat');
$lines = explode("\n", $data);
foreach($lines as $line){
print_r(breakupline($Breakup, $line));
}




?>