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<?php
/**
* Cinisis - Isis db reading tool.
*
* @TODO: check what happens if theres a field and subfields with repetition.
*/
/**
* Format a value for CSV output.
*
* @param $field
* Field entry.
*
* @return
* Formatted CSV field.
*/
function csv($field = NULL) {
return '"'. preg_replace('/"/', '""', $field) .'",';
}
/**
* Apply filters into the result.
*
* @param $field
* Field entry.
*/
function filter(&$field = NULL) {
// Remove brackets from field content.
$field = str_replace('<', '', $field);
$field = str_replace('>', '', $field);
}
/**
* Merge fields in a single cel.
*
* @param $data
* Array with field data.
*
* @param $field
* Field name.
*
* @return
* Cel with merged fields.
*/
function merge_fields($data, $field) {
$cel = '';
$sep = (count($data) > 1) ? '; ': '';
foreach ($data as $subkey => $subvalue) {
$cel = $cel . $data[$subkey][$field] . $sep;
}
return $cel;
}
// Import Cinisis Library.
require_once '../index.php';
// Get a db instance.
$isis = new CinisisDb();
// Test connection.
if ($isis->db) {
// Get format and number of rows.
$rows = $isis->db->rows();
$format = $isis->db->format;
// Prepare output.
header("Content-type: application/text/x-csv");
header("Content-Disposition: attachment; filename=export.csv");
header("Pragma: no-cache");
header("Expires: 0");
// Format fields.
foreach ($format['fields'] as $field) {
echo csv($field['name']);
if (is_array($field['subfields'])) {
foreach ($field['subfields'] as $key => $value) {
echo csv($field['name'] .': '. $value);
}
}
}
// New roll.
echo "\n";
// Format output.
for ($n = 1; $n <= $rows; $n++) {
$result = $isis->db->read($n);
if ($result) {
// Filter results.
array_walk_recursive($result, 'filter');
foreach ($format['fields'] as $field) {
if (is_array($result[$field['name']])) {
// Print main field if needed.
if (is_array($result[$field['name']][0])) {
echo csv();
}
else {
echo csv($result[$field['name']][0]);
}
}
else {
echo csv($result[$field['name']]);
}
if (is_array($field['subfields'])) {
foreach ($field['subfields'] as $key => $value) {
// Deals with subfield repetition.
if (isset($result[$field['name']][0][$value])) {
echo csv(merge_fields($result[$field['name']], $value));
}
else {
echo csv($result[$field['name']][$value]);
}
}
}
}
// New roll.
echo "\n";
}
}
}
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