source: sandbox/2.5.1-evolucao/phpgwapi/inc/adodb/toexport.inc.php @ 8222

<?php

/** 
 * @version V4.93 10 Oct 2006 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved.
 * Released under both BSD license and Lesser GPL library license. 
 * Whenever there is any discrepancy between the two licenses, 
 * the BSD license will take precedence. 
 *
 * Code to export recordsets in several formats:
 *
 * AS VARIABLE
 * $s = rs2csv($rs); # comma-separated values
 * $s = rs2tab($rs); # tab delimited
 * 
 * TO A FILE
 * $f = fopen($path,'w');
 * rs2csvfile($rs,$f);
 * fclose($f);
 *
 * TO STDOUT
 * rs2csvout($rs);
 */
 
// returns a recordset as a csv string
function rs2csv(&$rs,$addtitles=true)
{
        return _adodb_export($rs,',',',',false,$addtitles);
}

// writes recordset to csv file 
function rs2csvfile(&$rs,$fp,$addtitles=true)
{
        _adodb_export($rs,',',',',$fp,$addtitles);
}

// write recordset as csv string to stdout
function rs2csvout(&$rs,$addtitles=true)
{
        $fp = fopen('php://stdout','wb');
        _adodb_export($rs,',',',',true,$addtitles);
        fclose($fp);
}

function rs2tab(&$rs,$addtitles=true)
{
        return _adodb_export($rs,"\t",',',false,$addtitles);
}

// to file pointer
function rs2tabfile(&$rs,$fp,$addtitles=true)
{
        _adodb_export($rs,"\t",',',$fp,$addtitles);
}

// to stdout
function rs2tabout(&$rs,$addtitles=true)
{
        $fp = fopen('php://stdout','wb');
        _adodb_export($rs,"\t",' ',true,$addtitles);
        if ($fp) fclose($fp);
}

function _adodb_export(&$rs,$sep,$sepreplace,$fp=false,$addtitles=true,$quote = '"',$escquote = '"',$replaceNewLine = ' ')
{
        if (!$rs) return '';
        //----------
        // CONSTANTS
        $NEWLINE = "\r\n";
        $BUFLINES = 100;
        $escquotequote = $escquote.$quote;
        $s = '';
        
        if ($addtitles) {
                $fieldTypes = $rs->FieldTypesArray();
                reset($fieldTypes);
                $i = 0;
                while(list(,$o) = each($fieldTypes)) {
                
                        $v = ($o) ? $o->name : 'Field'.($i++);
                        if ($escquote) $v = str_replace($quote,$escquotequote,$v);
                        $v = strip_tags(str_replace("\n", $replaceNewLine, str_replace("\r\n",$replaceNewLine,str_replace($sep,$sepreplace,$v))));
                        $elements[] = $v;
                        
                }
                $s .= implode($sep, $elements).$NEWLINE;
        }
        $hasNumIndex = isset($rs->fields[0]);
        
        $line = 0;
        $max = $rs->FieldCount();
        
        while (!$rs->EOF) {
                $elements = array();
                $i = 0;
                
                if ($hasNumIndex) {
                        for ($j=0; $j < $max; $j++) {
                                $v = $rs->fields[$j];
                                if (!is_object($v)) $v = trim($v);
                                else $v = 'Object';
                                if ($escquote) $v = str_replace($quote,$escquotequote,$v);
                                $v = strip_tags(str_replace("\n", $replaceNewLine, str_replace("\r\n",$replaceNewLine,str_replace($sep,$sepreplace,$v))));
                                
                                if (strpos($v,$sep) !== false || strpos($v,$quote) !== false) $elements[] = "$quote$v$quote";
                                else $elements[] = $v;
                        }
                } else { // ASSOCIATIVE ARRAY
                        foreach($rs->fields as $v) {
                                if ($escquote) $v = str_replace($quote,$escquotequote,trim($v));
                                $v = strip_tags(str_replace("\n", $replaceNewLine, str_replace("\r\n",$replaceNewLine,str_replace($sep,$sepreplace,$v))));
                                
                                if (strpos($v,$sep) !== false || strpos($v,$quote) !== false) $elements[] = "$quote$v$quote";
                                else $elements[] = $v;
                        }
                }
                $s .= implode($sep, $elements).$NEWLINE;
                $rs->MoveNext();
                $line += 1;
                if ($fp && ($line % $BUFLINES) == 0) {
                        if ($fp === true) echo $s;
                        else fwrite($fp,$s);
                        $s = '';
                }
        }
        
        if ($fp) {
                if ($fp === true) echo $s;
                else fwrite($fp,$s);
                $s = '';
        }
        
        return $s;
}
?>