C:/xampp/htdocs/moodle/lib/adodb/tohtml.inc.php

Go to the documentation of this file.

<?php 
/*
  V4.93 10 Oct 2006  (c) 2000-2011 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.
  
  Some pretty-printing by Chris Oxenreider <oxenreid@state.net>
*/ 

// specific code for tohtml
GLOBAL $gSQLMaxRows,$gSQLBlockRows,$ADODB_ROUND;

$ADODB_ROUND=4; // rounding
$gSQLMaxRows = 1000; // max no of rows to download
$gSQLBlockRows=20; // max no of rows per table block

// RecordSet to HTML Table
//------------------------------------------------------------
// Convert a recordset to a html table. Multiple tables are generated
// if the number of rows is > $gSQLBlockRows. This is because
// web browsers normally require the whole table to be downloaded
// before it can be rendered, so we break the output into several
// smaller faster rendering tables.
//
// $rs: the recordset
// $ztabhtml: the table tag attributes (optional)
// $zheaderarray: contains the replacement strings for the headers (optional)
//
//  USAGE:
//      include('adodb.inc.php');
//      $db = ADONewConnection('mysql');
//      $db->Connect('mysql','userid','password','database');
//      $rs = $db->Execute('select col1,col2,col3 from table');
//      rs2html($rs, 'BORDER=2', array('Title1', 'Title2', 'Title3'));
//      $rs->Close();
//
// RETURNS: number of rows displayed


function rs2html(&$rs,$ztabhtml=false,$zheaderarray=false,$htmlspecialchars=true,$echo = true)
{
$s ='';$rows=0;$docnt = false;
GLOBAL $gSQLMaxRows,$gSQLBlockRows,$ADODB_ROUND;

        if (!$rs) {
                printf(ADODB_BAD_RS,'rs2html');
                return false;
        }
        
        if (! $ztabhtml) $ztabhtml = "BORDER='1' WIDTH='98%'";
        //else $docnt = true;
        $typearr = array();
        $ncols = $rs->FieldCount();
        $hdr = "<TABLE COLS=$ncols $ztabhtml><tr>\n\n";
        for ($i=0; $i < $ncols; $i++) { 
                $field = $rs->FetchField($i);
                if ($field) {
                        if ($zheaderarray) $fname = $zheaderarray[$i];
                        else $fname = htmlspecialchars($field->name);   
                        $typearr[$i] = $rs->MetaType($field->type,$field->max_length);
                        //print " $field->name $field->type $typearr[$i] ";
                } else {
                        $fname = 'Field '.($i+1);
                        $typearr[$i] = 'C';
                }
                if (strlen($fname)==0) $fname = '&nbsp;';
                $hdr .= "<TH>$fname</TH>";
        }
        $hdr .= "\n</tr>";
        if ($echo) print $hdr."\n\n";
        else $html = $hdr;
        
        // smart algorithm - handles ADODB_FETCH_MODE's correctly by probing...
        $numoffset = isset($rs->fields[0]) ||isset($rs->fields[1]) || isset($rs->fields[2]);
        while (!$rs->EOF) {
                
                $s .= "<TR valign=top>\n";
                
                for ($i=0; $i < $ncols; $i++) {
                        if ($i===0) $v=($numoffset) ? $rs->fields[0] : reset($rs->fields);
                        else $v = ($numoffset) ? $rs->fields[$i] : next($rs->fields);
                        
                        $type = $typearr[$i];
                        switch($type) {
                        case 'D':
                                if (strpos($v,':') !== false);
                                else {
                                        if (empty($v)) {
                                        $s .= "<TD> &nbsp; </TD>\n";
                                        } else {
                                                $s .= " <TD>".$rs->UserDate($v,"D d, M Y") ."</TD>\n";                          
                                        }
                                        break;
                                }
                        case 'T':
                                if (empty($v)) $s .= "<TD> &nbsp; </TD>\n";
                                else $s .= "    <TD>".$rs->UserTimeStamp($v,"D d, M Y, H:i:s") ."</TD>\n";
                        break;
                        
                        case 'N':
                                if (abs(abs($v) - round($v,0)) < 0.00000001)
                                        $v = round($v);
                                else
                                        $v = round($v,$ADODB_ROUND);
                        case 'I':
                                $vv = stripslashes((trim($v)));
                                if (strlen($vv) == 0) $vv .= '&nbsp;';
                                $s .= " <TD align=right>".$vv ."</TD>\n";
                                
                        break;
                        /*
                        case 'B':
                                if (substr($v,8,2)=="BM" ) $v = substr($v,8);
                                $mtime = substr(str_replace(' ','_',microtime()),2);
                                $tmpname = "tmp/".uniqid($mtime).getmypid();
                                $fd = @fopen($tmpname,'a');
                                @ftruncate($fd,0);
                                @fwrite($fd,$v);
                                @fclose($fd);
                                if (!function_exists ("mime_content_type")) {
                                  function mime_content_type ($file) {
                                    return exec("file -bi ".escapeshellarg($file));
                                  }
                                }
                                $t = mime_content_type($tmpname);
                                $s .= (substr($t,0,5)=="image") ? " <td><img src='$tmpname' alt='$t'></td>\\n" : " <td><a
                                href='$tmpname'>$t</a></td>\\n";
                                break;
                        */

                        default:
                                if ($htmlspecialchars) $v = htmlspecialchars(trim($v));
                                $v = trim($v);
                                if (strlen($v) == 0) $v = '&nbsp;';
                                $s .= " <TD>". str_replace("\n",'<br>',stripslashes($v)) ."</TD>\n";
                          
                        }
                } // for
                $s .= "</TR>\n\n";
                          
                $rows += 1;
                if ($rows >= $gSQLMaxRows) {
                        $rows = "<p>Truncated at $gSQLMaxRows</p>";
                        break;
                } // switch

                $rs->MoveNext();
        
        // additional EOF check to prevent a widow header
                if (!$rs->EOF && $rows % $gSQLBlockRows == 0) {
        
                //if (connection_aborted()) break;// not needed as PHP aborts script, unlike ASP
                        if ($echo) print $s . "</TABLE>\n\n";
                        else $html .= $s ."</TABLE>\n\n";
                        $s = $hdr;
                }
        } // while

        if ($echo) print $s."</TABLE>\n\n";
        else $html .= $s."</TABLE>\n\n";
        
        if ($docnt) if ($echo) print "<H2>".$rows." Rows</H2>";
        
        return ($echo) ? $rows : $html;
 }
 
// pass in 2 dimensional array
function arr2html(&$arr,$ztabhtml='',$zheaderarray='')
{
        if (!$ztabhtml) $ztabhtml = 'BORDER=1';
        
        $s = "<TABLE $ztabhtml>";//';print_r($arr);

        if ($zheaderarray) {
                $s .= '<TR>';
                for ($i=0; $i<sizeof($zheaderarray); $i++) {
                        $s .= " <TH>{$zheaderarray[$i]}</TH>\n";
                }
                $s .= "\n</TR>";
        }
        
        for ($i=0; $i<sizeof($arr); $i++) {
                $s .= '<TR>';
                $a = $arr[$i];
                if (is_array($a)) 
                        for ($j=0; $j<sizeof($a); $j++) {
                                $val = $a[$j];
                                if (empty($val)) $val = '&nbsp;';
                                $s .= " <TD>$val</TD>\n";
                        }
                else if ($a) {
                        $s .=  '        <TD>'.$a."</TD>\n";
                } else $s .= "  <TD>&nbsp;</TD>\n";
                $s .= "\n</TR>\n";
        }
        $s .= '</TABLE>';
        print $s;
}

?>