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HTML API: Add has_self_closing_flag()
to Tag Processor.
In this patch we're adding `has_self_closing_flag()` to the HTML Tag Processor. This exposes whether a currently-matched tag contains the self-closing flag `/`. This information is critical for the evolution of the HTML API in order to track and parse HTML structure, specifically, knowing whether an HTML foreign element is self-closing or not. Props dmsnell, zieladam. Fixes #58009. Built from https://develop.svn.wordpress.org/trunk@55619 git-svn-id: http://core.svn.wordpress.org/trunk@55131 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -1759,6 +1759,31 @@ class WP_HTML_Tag_Processor {
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return strtoupper( $tag_name );
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}
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/**
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* Indicates if the currently matched tag contains the self-closing flag.
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*
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* No HTML elements ought to have the self-closing flag and for those, the self-closing
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* flag will be ignored. For void elements this is benign because they "self close"
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* automatically. For non-void HTML elements though problems will appear if someone
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* intends to use a self-closing element in place of that element with an empty body.
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* For HTML foreign elements and custom elements the self-closing flag determines if
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* they self-close or not.
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*
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* This function does not determine if a tag is self-closing,
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* but only if the self-closing flag is present in the syntax.
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*
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* @since 6.3.0
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*
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* @return bool Whether the currently matched tag contains the self-closing flag.
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*/
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public function has_self_closing_flag() {
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if ( ! $this->tag_name_starts_at ) {
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return false;
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}
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return '/' === $this->html[ $this->tag_ends_at - 1 ];
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}
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/**
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* Indicates if the current tag token is a tag closer.
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*
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@ -16,7 +16,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '6.3-alpha-55618';
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$wp_version = '6.3-alpha-55619';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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