Hi all.
I added a contribution to http://www.php.net/str_replace
See:
jeroen at remove dot anti dot spam dot all-stars dot nl
19-May-2004 07:34
I checked and doublechecked with the preview function, but still I
overlooked a typo.
At three locations, ![] is written, which should be []
I hope you would be so kind to correct that. I would appreciate that very
much.
For your convenience, I added the correct code to this e-mail as attachment.
If you replace the content of my contribution with the content of that
attachment, I would be much obliged.
Best regards,
Jeroen Buse.
Function str_replace_clean()
/*
* The basis for this function comes from the contribution
* by Xavier at 30-Dec-2003.
* I modified it so that all parameters can be arrays or strings,
* and I added an option for case-sensitive comparison or not
* (standard function str_replace() compares case-sensitive).
*/
public function str_replace_clean($search_in, $replace_in, $subject_in,
$cs=true, $subject_out=array())
{
if ($cs!true and $cs!false) return $subject_in;
$search=$search_text=$replace=$replace_text=array();
if (is_array($search_in)) {
$search = $search_in;
}
elseif (is_string($search_in)) {
$search[] = $search_in; //array_push doesn't work here
}
if (is_array($replace_in)) {
$replace = $replace_in;
}
elseif (is_string($replace_in)) {
//make an array with the length of array $search
foreach ($search as $dummy)
{
$replace[] = $replace_in; //array_push doesn't work here
}
}
if (is_array($subject_in))
{
foreach ($subject_in as $subject)
{
$resultsubject = $this->do_while_for_str_replace_clean($search, $replace,
$subject, $cs, $subject_out);
$subject_out[] = $resultsubject; //array_push doesn't work here
}
return $subject_out;
}
elseif (is_string($subject_in))
{
$subject=$subject_in;
$resultsubject = $this->do_while_for_str_replace_clean($search, $replace,
$subject, $cs, $subject_out);
return $resultsubject;
}
}
/*
* Private function do_while_for_str_replace_clean()
* See public function str_replace_clean()
*/
private function do_while_for_str_replace_clean($search, $replace,
$subject, $cs, $subject_out)
{
while (count($search))
{
// get current terms, reduce the arrays for the next iteration
$search_text = array_shift($search);
$replace_text = array_shift($replace);
// check if the substring is present
if ($cs===true)
{
$pos = strpos($subject, $search_text);
$break=$search_text;
}
else
{
$pos = strpos(strtolower($subject), strtolower($search_text));
if (is_int($pos))
{
//replace all matches with their lowercase values for later explode()
$len=strlen($search_text);
$subject_len=strlen($subject);
for ($pos2=$pos; ($pos2+$len)<=$subject_len ; $pos2=$newpos)
{
$subject=substr($subject,0,$pos2)
.strtolower($search_text)
.substr($subject,$pos2+$len);
$newpos = strpos(strtolower($subject), strtolower($search_text),$pos2+$len);
if (!is_int($newpos)) break;
}
}
$break=strtolower($search_text);
}
if (is_int($pos))
{
// match found - break in pieces
$pieces = explode($break, $subject);
if (count($search)) // only if there are more substitutions to do
{
// make next substitutions in every piece of text between matches
foreach ($pieces as $k => $v)
{
if (strlen($v)) $pieces[$k] = $this->str_replace_clean($search, $replace,
$v, $cs, $subject_out);
}
}
$subject = join($replace_text, $pieces);
break;
}
} //end while
return $subject;
}
--------------------------------------------------------------------
The functions are written in an object-ori�nted style, and tested with PHP5
(Release Candidate 2).
If you do not want to use these functions as methods in a class,
remove all " $this-> " inside the functions, and remove "public" and "private"
before "function".
