Output XML string as CSV with first row as column headers:
<?php
// In this case XML is
// <records>
// <record>...</record>
// <record>...</record>
// </records>
if($xml = simplexml_load_string($string)){
// Keep up to 12MB in memory, if becomes bigger write to temp file
$file = fopen('php://temp/maxmemory:'. (12*1024*1024), 'r+');
if($row = get_object_vars($xml->record[0])){ // First record
// First row contains column header values
foreach($row as $key => $value){
$header[] = $key;
}
fputcsv($file, $header,',','"');
foreach ($xml->record as $record) {
fputcsv($file, get_object_vars($record),',','"');
}
rewind($file);
$output = stream_get_contents($file);
fclose($file);
return $output;
}else{
return '';
}
}
?>