我接管了一个基于PHP构建的网站。基本上，大多数页面在IE中都没有正确显示，我之所以这样做是因为DOCTYPE没有设置好。
经过进一步调查，似乎所有头信息（包括DOCTYPE）都在一个名为header.php的PHP包含文件中，这是公平的，但是在没有正确加载的页面上，在此之前有代码包括被调用，这就是没有设置DOCTYPE的原因。
将header.php的include移动到代码的第一行很容易，但第一行代码是PHP变量，包括关键字，页面描述和页面标题，header.php包含然后是指。如果我将包含代码移到这些变量之上，那么header.php将不会知道关键字，页面标题或描述，因为它们尚未设置。
整个网站都是这样构建的 - 不确定它是如何工作的。
有什么方法可以让我看不到吗？我已经将header.php文件的一部分包含在下面没有正确显示的页面中。
感谢任何帮助，感谢您花时间阅读本文。
header.php - ＆gt;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?php echo $pageTitleDisp ?></title>
<meta name="keywords" content="<?php echo $pageKeywords?>" />
<meta name="description" content="<?php echo $pageDesc?>" />
<meta http-equiv="content-language" content="en-gb" />
<meta name="copyright" content="My company" />
<meta name="revisit-after" content="3 days" />
<meta name="Robots" content="index, follow" />
<meta name="Robots" content="all" />
<meta name="Distribution" content="Global" />
<meta name="Author" content="Me"/>
<meta name="Accessibility" content="WCAG Double-A" />
<meta name="Audience" content="All Users" />
<meta name="Coverage" content="UK" />
<meta name="Language" content="English" />
<meta name="Rights" content="Reproduction by Permission Only" />
<meta name="Rights.Copyright" content="My company" />
<meta name="Type" content="Web Page" />
<link href="<?php echo $canonical; ?>" rel="canonical" />
<link href="/css/webstyle.css" rel="stylesheet" type="text/css" />
<script src="/js/site-functions.js" type="text/javascript"></script>
<!--[if IE 6]><style type="text/css">img,div { behavior: url(/js/iepngfix.htc) }</style><![endif]-->
<!--[if IE 7]><link href="/css/ie7.css" rel="stylesheet" type="text/css" /><![endif]-->
然后这是一个页面，然后调用上面的header.php信息：
<?php include("../includes/config.php"); ?>
<?php
// SEO TAGGING
$pageTitleDisp="Page Title";
$pageKeywords="cars planes bikes";
$pageDesc="this is a webpage that looks pap in IE";
$canonical="http://mydomain.com/about/";
?>
<?php $popbox="true"; ?>
<?php include("../includes/header.php"); ?>
经过一些有用的人的建议后，似乎只有调用config.php的页面才有这个问题。下面是config.php文件 - 如果有人有时间或知识发现可能导致问题的原因，我将非常感激。如果我注释掉config.php的调用，那么该页面根本就不显示！
<?php
$user="user";
$password="password";
$database="DB";
mysql_connect("my.database.com",$user,$password);
@mysql_select_db($database) or die( "Unable to select database");
$bulkPrice="24.99";
$singlePrice="3.49";
function makeClickableLinks($text) {
$text = eregi_replace('(((f|ht){1}tp://)[-a-zA-Z0-9@:%_+.~#?&//=]+)',
'<a href="\1" target="_blank">\1</a>', $text);
$text = eregi_replace('([[:space:]()[{}])(www.[-a-zA-Z0-9@:%_+.~#?&//=]+)',
'\1<a href="http://\2" target="_blank">\2</a>', $text);
$text = eregi_replace('([_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3})',
'<a href="mailto:\1" target="_blank">\1</a>', $text);
return $text;
}
function multiInsert($table,$cols){
$cols= explode(",", $cols);
foreach ($cols as $colname) {
$sqlinsert1.= "$colname, ";
global $$colname;
if ($colname=="dateAdded")
{
$sqlinsert2.= "Now(), ";
}
else {
$sqlinsert2.= "'".$$colname."', ";
}
}
$sqlinsert1=removeComma($sqlinsert1);
$sqlinsert2=removeComma($sqlinsert2);
$sqlinsert= "($sqlinsert1) values ($sqlinsert2)";
$query="insert into $table $sqlinsert ";
$result=mysql_query($query)or die( mysql_error()."<BR><BR><B>$query</b>");
return mysql_insert_id();
}
function cleanUserText ($para){
$para=html_entity_decode($para);
$array = array("itxtvisited=\"1\"","<EM>","<EM >","</EM>","<em>","</em>","<i>","</i>");
$para = str_replace($array, "", $para);
$para = str_replace("\n", "<BR>", $para);
$para = str_replace("\n\b", "<BR>", $para);
$para = str_replace("&quot;", "\"", $para);
$para = str_replace("&", "&", $para);
$para = str_replace("•", "·", $para);
$para = str_replace("’", "'", $para);
$para = str_replace("®", "", $para);
$para = str_replace("™", "", $para);
$para = str_replace("…", "...", $para);
$para = str_replace("“", "\"", $para);
$para = str_replace("”", "\"", $para);
$para = str_replace('<span style="font-weight: bold;">', "<B>", $para);
$para = str_replace('<span style="font-weight: bold;" class="largeblack">', "<B>", $para);
$para = str_replace('<i style="font-weight: bold;">', "<B>", $para);
$para = str_replace('BACKGROUND: white', "", $para);
$para = str_replace('</span>', "</B>", $para);
$search = array('@<script[^>]*?>.*?</script>@si', // Strip out javascript
'@<style[^>]*?>.*?</style>@siU', // Strip style tags properly
'@<![\s\S]*?--[ \t\n\r]*>@', // Strip multi-line comments including CDATA
'@<SPAN[^>]*?>@siU', // Strip style tags properly
'@</SPAN>@siU', // Strip style tags properly
'@<FONT[^>]*?>@siU', // Strip style tags properly
'@</FONT>@siU', // Strip style tags properly
);
$para = preg_replace($search, '', $para);
$para=makeClickableLinks($para);
return $para;
}
function encLink($name){
$name=strtolower($name);
$name=str_replace(" ","-",$name);
return "$name";
}
function decLink($name){
$name=strtoupper($name);
$name=str_replace("-"," ",$name);
return "$name";
}
function getColours(){
global $colours;
$query="SELECT * from colours";
$result=mysql_query($query)or die(mysql_error()); ;
while ($row = mysql_fetch_array($result,MYSQL_ASSOC)) {
foreach($row as $k => $v){$$k = $v;}
$colours["$colourID"]="$colourTitle";
}
}
function dispCatLink($catsLink){
$catsList = explode(",", $catsLink);
$catsLink1=$catsList[0];
$query="SELECT * FROM cats where catID = $catsLink1";
$result=mysql_query($query)or die(mysql_error()."Query is: <b>$query</b>");
$row = mysql_fetch_assoc($result);
if ($row){foreach($row as $k => $v){$$k = $v;}}
$catTitleF=str_replace(" ","-",$catTitle);
echo "<a href=/$catTitleF/products/>$catTitle</a>";
}
function alertMSG($alerter){
if ($alerter) echo "<div ID=alerter><img src=/icon/asterisk_yellow.png class=icn width=16 height=16 />$alerter</div>";
}
function open_image ($file) {
# JPEG:
$im = @imagecreatefromjpeg($file);
if ($im !== false) { return $im; }
# GIF:
$im = @imagecreatefromgif($file);
if ($im !== false) { return $im; }
# PNG:
$im = @imagecreatefrompng($file);
if ($im !== false) { return $im; }
# WBMP:
$im = @imagecreatefromwbmp($file);
if ($im !== false) { return $im; }
# Try and load from string:
$im = @imagecreatefromstring(file_get_contents($file));
if ($im !== false) { return $im; }
return false;
}
function upFile($upfile){
if ($_FILES[$upfile]['tmp_name']){
$newName= str_replace(" ","_",basename( $_FILES[$upfile]['name']));
$dest= $_SERVER[DOCUMENT_ROOT]."/uploads/".$newName;
if(move_uploaded_file($_FILES[$upfile]['tmp_name'], $dest)) {
return $newName;
}
else {
echo $_FILES[$upfile]['name']." - There was an error uploading the file, please try again!";
return "";
}
}
else {
return "";
}
}
function multiUpdate($table,$clause,$cols){
$cols= explode(",", $cols);
foreach ($cols as $colname) {
global $$colname;
$sqlinsert.= " $colname = '".$$colname."',";
}
$sqlinsert=removeComma($sqlinsert);
global $$clause;
$query="update $table set $sqlinsert where $clause=".$$clause;
$result=mysql_query($query)or die( mysql_error()."<BR><BR><B>$query</b>");
}
function removeComma($var){
if(substr($var, -1)==","){$var = substr($var,0,-1);}
if(substr($var, -2)==", "){$var = substr($var,0,-2);}
return $var;
}
function conv($size){
$converted=2.54*$size;
$converted= sprintf("%01.0f", $converted);
if ($converted=="0"){$converted="N/A ";}
return $converted;
}
function dispThumbs($prodID,$max_i,$size){
for ($i=1; $i<=$max_i; $i++) {
$filename=$_SERVER['DOCUMENT_ROOT']."/prodImages/$size/".$prodID."/".$i.".jpg";
if (file_exists($filename)) {
echo "<a href='/photos/$prodID/$i/'><img border=0 class='imgTH' width=100 height=67 src=/prodImages/$size/".$prodID."/".$i.".jpg></a>";
}
}
}
function open_dir ($dir){
if (is_dir($dir)) {
if ($dh = opendir($dir)) {
while (($file = readdir($dh)) !== false) {
if (preg_match ("/.jpg/i", "$file")){
$files.="$file,";
}
}
closedir($dh);
}
}
if(substr($files, -1)==","){$files = substr($files,0,-1);}
return $files;
}
function sec2hms ($sec, $padHours = false)
{
$hms = "";
$hours = intval(intval($sec) / 3600);
// $hms .= ($padHours)
// ? str_pad($hours, 2, "0", STR_PAD_LEFT). ':'
// : $hours. ':';
$minutes = intval(($sec / 60) % 60);
$hms .= str_pad($minutes, 2, "0", STR_PAD_LEFT). ':';
$seconds = intval($sec % 60);
$hms .= str_pad($seconds, 2, "0", STR_PAD_LEFT);
return $hms;
}
function checkIMG($imgLink){
if (file_exists($_SERVER['DOCUMENT_ROOT'].$imgLink)) {
echo $imgLink;
}
else {
echo "/content/images/nophoto.gif";
}
}
function checkTH($imgLink){
if (file_exists($_SERVER['DOCUMENT_ROOT'].$imgLink)) {
echo $imgLink;
}
else {
echo "/images/noimage.gif";
}
}
function getIMGsize($img){
list($width, $height, $type, $attr) = getimagesize($_SERVER['DOCUMENT_ROOT'].$img);
echo "params='lightwindow_width=$width,lightwindow_height=$height'";
}
function titleCase($string) {
$len=strlen($string);
$i=0;
$last= "";
$new= "";
$string=strtoupper($string);
while ($i<$len):
$char=substr($string,$i,1);
if (ereg( "[A-Z]",$last)):
$new.=strtolower($char);
else:
$new.=strtoupper($char);
endif;
$last=$char;
$i++;
endwhile;
$new= str_replace("Led ","LED ",$new);
$new= str_replace("Lcd ","LCD ",$new);
return($new);
};
?>
答案 0 :(得分：0)
鉴于问题很可能是空白问题，没有什么是理想的。简单的答案就是将doctype放在自己的文件中，并在每个页面前加<?php include("../includes/doctype.php"); ?>。就像我说的那样，并不理想，但有一个像这样的网站，没有整洁的解决方案。
我假设config.php的包含在整个网站上并不一致。
编辑：config.php文件在打开<?php标记之前有空格。删除那个以及最后一个?>标签之后的任何标签，您应该没问题。如果这不起作用，下一步将是提供浏览器接收的输出的前几行或网站的URL。
最终编辑：这绝对是一个空白问题。您可以通过在应用程序页面上查看源来判断，它在DTD之前有一个空行。考虑重构页面以使用单个PHP标记而不是每行一个，如下所示：
<?php include("../includes/config.php");
// SEO TAGGING
$pageTitleDisp="Page Title";
$pageKeywords="cars planes bikes";
$pageDesc="this is a webpage that looks pap in IE";
$canonical="http://mydomain.com/about/";
$popbox="true";
include("../includes/header.php"); ?>
没有充分的理由在每一行上都有单独的PHP标记。另请考虑从?>文件中删除结束config.php标记。