Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/mpdf/includes/functions.php

98 lines
2.6 KiB

<?php
// mPDF 4.2.006 - from mPDFI
function _strspn($str1, $str2, $start=null, $length=null) {
$numargs = func_num_args();
if ($numargs == 2) {
return strspn($str1, $str2);
}
else if ($numargs == 3) {
return strspn($str1, $str2, $start);
}
else {
return strspn($str1, $str2, $start, $length);
}
}
// mPDF 4.2.006 - from mPDFI
function _strcspn($str1, $str2, $start=null, $length=null) {
$numargs = func_num_args();
if ($numargs == 2) {
return strcspn($str1, $str2);
}
else if ($numargs == 3) {
return strcspn($str1, $str2, $start);
}
else {
return strcspn($str1, $str2, $start, $length);
}
}
// mPDF 4.2.006 - from mPDFI
function _fgets (&$h, $force=false) {
$startpos = ftell($h);
$s = fgets($h, 1024);
if ($force && preg_match("/^([^\r\n]*[\r\n]{1,2})(.)/",trim($s), $ns)) {
$s = $ns[1];
fseek($h,$startpos+strlen($s));
}
return $s;
}
// For PHP4 compatability
if(!function_exists('str_ireplace')) {
function str_ireplace($search,$replace,$subject) {
$search = preg_quote($search, "/");
return preg_replace("/".$search."/i", $replace, $subject);
}
}
function PreparePreText($text,$ff='//FF//') {
$text = str_ireplace('<pre',"<||@mpdf@||pre",$text);
$text = str_ireplace('</pre',"<||@mpdf@||/pre",$text);
if ($ff) { $text = str_replace($ff,'</pre><formfeed /><pre>',$text); }
return ('<pre>'.$text.'</pre>');
}
if(!function_exists('strcode2utf')){
function strcode2utf($str,$lo=true) {
//converts all the &#nnn; and &#xhhh; in a string to Unicode
if ($lo) { $lo = 1; } else { $lo = 0; }
$str = preg_replace('/\&\#([0-9]+)\;/me', "code2utf('\\1',{$lo})",$str);
$str = preg_replace('/\&\#x([0-9a-fA-F]+)\;/me', "codeHex2utf('\\1',{$lo})",$str);
return $str;
}
}
if(!function_exists('code2utf')){
function code2utf($num,$lo=true){
//Returns the utf string corresponding to the unicode value
//added notes - http://uk.php.net/utf8_encode
// NB this code initially had 1024 (->2048) and 38000 (-> 65536)
if ($num<128) {
if ($lo) return chr($num);
else return '&#'.$num.';'; // i.e. no change
}
if ($num<2048) return chr(($num>>6)+192).chr(($num&63)+128);
if ($num<65536) return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
// mPDF 3.0
if ($num<2097152) return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
return '?';
}
}
if(!function_exists('codeHex2utf')){
function codeHex2utf($hex,$lo=true){
$num = hexdec($hex);
if (($num<128) && !$lo) return '&#x'.$hex.';'; // i.e. no change
return code2utf($num,$lo);
}
}
?>