Bach for the Recorder (8 pieces from the Solo Cello Suites) by Johann Sebastian Bach

By Johann Sebastian Bach

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Extra info for Bach for the Recorder (8 pieces from the Solo Cello Suites) Edited by Franco Crepax

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'; } $total += $sales_line[3]; } $total_line = array('All Regions','--','--',$total); // Print format-appropriate footer if ($format == 'csv') { fputcsv($output,$total_line); 32 | Chapter 1: Strings fclose($output) or die("Can't close php://output"); } else { echo '

' . implode(' ', $total_line) . '

'; echo '

'; } Accessing the program in Example 1-39 with format=csv in the query string causes it to return CSV-formatted output. Any other format value in the query string causes it to return HTML output.

For space-padded fields in fixed-width records, pack() provides a concise solution. 13 Generating Fixed-Width Field Data Records | 21 short. -padded fields. Example 1-32. '); print "$title$author$year\n"; } See Also Documentation on pack() and on str_pad(). 17 discusses pack() format strings in more detail. 14 Parsing Fixed-Width Field Data Records Problem You need to break apart fixed-width records in strings. Solution Use substr() as shown in Example 1-33. Example 1-33. txt','r',true) or die ("can't open file"); while ($s = fgets($fp,1024)) { $fields[1] = substr($s,0,25); // first field: first 25 characters of the line $fields[2] = substr($s,25,15); // second field: next 15 characters of the line $fields[3] = substr($s,40,4); // third field: next 4 characters of the line $fields = array_map('rtrim', $fields); // strip the trailing whitespace // a function to do something with the fields process_fields($fields); } fclose($fp) or die("can't close file"); Or unpack(), as shown in Example 1-34.

18 | Chapter 1: Strings Example 1-27. csv'; $fh = fopen($filename,'w') or die("Can't open $filename"); foreach ($sales as $sales_line) { if (fputcsv($fh, $sales_line) === false) { die("Can't write CSV line"); } } fclose($fh) or die("Can't close $filename"); Discussion To print the CSV-formatted data instead of writing it to a file, use the special output stream php://output, as shown in Example 1-28. Example 1-28. 34) ); $fh = fopen('php://output','w'); foreach ($sales as $sales_line) { if (fputcsv($fh, $sales_line) === false) { die("Can't write CSV line"); } } fclose($fh); To put the CSV-formatted data into a string instead of printing it or writing it to a file, combine the technique in Example 1-28 with output buffering, as shown in Example 1-29.

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