Searches for disabled element tags. Pushes element to stack on tag open and pops on tag close.
Description
Assumes first char of $text is tag opening and last char is tag closing.
Assumes second char of $text is optionally / to indicate closing as in </html>.
Parameters
$textstringrequired- Text to check. Must be a tag like
<html>or[shortcode]. $stackstring[]required- Array of open tag elements.
$disabled_elementsstring[]required- Array of tag names to match against. Spaces are not allowed in tag names.
Source
function _wptexturize_pushpop_element( $text, &$stack, $disabled_elements ) {
// Is it an opening tag or closing tag?
if ( isset( $text[1] ) && '/' !== $text[1] ) {
$opening_tag = true;
$name_offset = 1;
} elseif ( 0 === count( $stack ) ) {
// Stack is empty. Just stop.
return;
} else {
$opening_tag = false;
$name_offset = 2;
}
// Parse out the tag name.
$space = strpos( $text, ' ' );
if ( false === $space ) {
$space = -1;
} else {
$space -= $name_offset;
}
$tag = substr( $text, $name_offset, $space );
// Handle disabled tags.
if ( in_array( $tag, $disabled_elements, true ) ) {
if ( $opening_tag ) {
/*
* This disables texturize until we find a closing tag of our type
* (e.g. <pre>) even if there was invalid nesting before that.
*
* Example: in the case <pre>sadsadasd</code>"baba"</pre>
* "baba" won't be texturized.
*/
array_push( $stack, $tag );
} elseif ( end( $stack ) === $tag ) {
array_pop( $stack );
}
}
}
Changelog
| Version | Description |
|---|---|
| 2.9.0 | Introduced. |
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