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clean_pre is deprecated since version 3.4.0!
clean_pre › WordPress Function
Since1.2.0
已弃用3.4.0
› clean_pre ( $matches )
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Accepts matches array from preg_replace_callback in wpautop() or a string.
Ensures that the contents of a<pre>...</pre>
HTML block are not
converted into paragraphs or line breaks.源码
function clean_pre($matches) { _deprecated_function( __FUNCTION__, '3.4.0' ); if ( is_array($matches) ) $text = $matches[1] . $matches[2] . "</pre>"; else $text = $matches; $text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text); $text = str_replace('<p>', "\n", $text); $text = str_replace('</p>', '', $text); return $text; }