$name = 'unnamed';
}
- if (!$alt) {
+ if ($alt) {
+ $alt = strip_tags($alt);
+ } else {
$alt = 'checkbox';
}
}
@header('Accept-Ranges: none');
- if ($usexml) { // Added by Gustav Delius / Mad Alex for MathML output
- // Modified by Julian Sedding
+ if (empty($usexml)) {
+ $direction = ' xmlns="http://www.w3.org/1999/xhtml"'. $direction; // See debug_header
+ } else {
$currentlanguage = current_language();
$mathplayer = preg_match("/MathPlayer/i", $_SERVER['HTTP_USER_AGENT']);
if(!$mathplayer) {
$output = ob_get_contents();
ob_end_clean();
+ if (debugging(NULL, DEBUG_DEVELOPER)) { // In developer debugging mode, convert page to XHTML strict
+ $output = debug_header($output);
+ }
+
if (!empty($CFG->messaging)) {
$output .= message_popup_window();
}
}
}
+/**
+ * Debugging aid: serve page as 'application/xhtml+xml' where possible,
+ * and substitute the XHTML strict document type.
+ * Note, requires the 'xmlns' fix in function print_header above.
+ * See: http://tracker.moodle.org/browse/MDL-7883
+ * TODO:
+ */
+function debug_header($output) {
+ global $CFG;
+ $strict = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
+ $xsl = '/lib/xhtml.xsl';
+
+ if (!headers_sent()) {
+ $ctype = 'Content-Type: ';
+ $prolog= "<?xml version='1.0' encoding='utf-8'?>\n";
+
+ if (isset($_SERVER['HTTP_ACCEPT'])
+ && false !== strpos($_SERVER['HTTP_ACCEPT'], 'application/xhtml+xml')) {
+ //|| false !== strpos($_SERVER['HTTP_USER_AGENT'], 'Safari') //Safari "Entity 'copy' not defined".
+ // Firefox et al.
+ $ctype .= 'application/xhtml+xml';
+ $prolog .= "<!--\n DEBUG: $ctype \n-->\n";
+
+ } else if (file_exists($CFG->dirroot.$xsl)
+ && preg_match('/MSIE.*Windows NT/', $_SERVER['HTTP_USER_AGENT'])) {
+ // XSL hack for IE 5+ on Windows.
+ //$www_xsl = preg_replace('/(http:\/\/.+?\/).*/', '', $CFG->wwwroot) .$xsl;
+ $www_xsl = $CFG->wwwroot .$xsl;
+ $ctype .= 'application/xml';
+ $prolog .= "<?xml-stylesheet type='text/xsl' href='$www_xsl'?>\n";
+ $prolog .= "<!--\n DEBUG: $ctype \n-->\n";
+
+ } else {
+ //ELSE: Mac/IE, old/non-XML browsers.
+ $ctype .= 'text/html';
+ $prolog = '';
+ }
+ @header($ctype.'; charset=utf-8');
+ $output = $prolog . $output;
+
+ // Test parser error-handling.
+ if (isset($_GET['error'])) {
+ $output .= "__ TEST: XML well-formed error < __\n";
+ }
+ }
+ return $output;
+}
+
+
+
/**
* This version of print_header is simpler because the course name does not have to be
* provided explicitly in the strings. It can be used on the site page as in courses
projects / moodle.git / commitdiff