February 11, 2011 
Definition:
function clean_pre($matches) {}
Accepts matches array from preg_replace_callback in wpautop() or a string.
Ensures that the contents of a <pre>…</pre> HTML block are not converted into paragraphs or line-breaks.
Parameters
- array|string $matches: The array or string
Return values
returns:The pre block without paragraph/line-break conversion.
Source code
function clean_pre($matches) {
if ( is_array($matches) )
$text = $matches[1] . $matches[2] . "</pre>";
else
$text = $matches;
$text = str_replace('<br />', '', $text);
$text = str_replace('<p>', "\n", $text);
$text = str_replace('</p>', '', $text);
return $text;
}
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