_wptexturize_pushpop_element()
Searches for disabled element tags. Pushes element to stack on tag open and pops on tag close.
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>.
Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.
No Hooks.
Return
null
. Nothing (null).
Usage
_wptexturize_pushpop_element( $text, $stack, $disabled_elements );
- $text(string) (required)
- Text to check. Must be a tag like <html> or [shortcode].
- $stack(string[]) (required) (passed by reference — &)
- Array of open tag elements.
- $disabled_elements(string[]) (required)
- Array of tag names to match against. Spaces are not allowed in tag names.
Changelog
Since 2.9.0 | Introduced. |
_wptexturize_pushpop_element() wptexturize pushpop element code WP 6.4.3
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 ); } } }