moodle/lib/adodb/tohtml.inc.php

<?php 
/*
V3.60 16 June 2003  (c) 2000-2003 John Lim (jlim@natsoft.com.my). 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;
	 
$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)
{
$s ='';$rows=0;$docnt = false;
GLOBAL $gSQLMaxRows,$gSQLBlockRows;

	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 $ztabhtml>\n\n";
	for ($i=0; $i < $ncols; $i++) {	
		$field = $rs->FetchField($i);
		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] "; */
			
		if (strlen($fname)==0) $fname = '&nbsp;';
		$hdr .= "<TH>$fname</TH>";
	}

	print $hdr."\n\n";
	/*  smart algorithm - handles ADODB_FETCH_MODE's correctly! */
	$numoffset = isset($rs->fields[0]);

	while (!$rs->EOF) {
		
		$s .= "<TR valign=top>\n";
		
		for ($i=0, $v=($numoffset) ? $rs->fields[0] : reset($rs->fields); 
			$i < $ncols; 
			$i++, $v = ($numoffset) ? @$rs->fields[$i] : next($rs->fields)) {
			
			$type = $typearr[$i];
			switch($type) {
			case 'T':
				$s .= "	<TD>".$rs->UserTimeStamp($v,"D d, M Y, h:i:s") ."&nbsp;</TD>\n";
			break;
			case 'D':
				$s .= "	<TD>".$rs->UserDate($v,"D d, M Y") ."&nbsp;</TD>\n";
			break;
			case 'I':
			case 'N':
				$s .= "	<TD align=right>".stripslashes((trim($v))) ."&nbsp;</TD>\n";
			   	
			break;
			default:
				if ($htmlspecialchars) $v = htmlspecialchars($v);
				$s .= "	<TD>". str_replace("\n",'<br>',stripslashes((trim($v)))) ."&nbsp;</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 */
			print $s . "</TABLE>\n\n";
			$s = $hdr;
		}
	} /*  while */

	print $s."</TABLE>\n\n";

	if ($docnt) print "<H2>".$rows." Rows</H2>";
	
	return $rows;
 }
 
/*  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;
}