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WordPress API for creating bbcode-like tags or what WordPress calls "shortcodes". The tag and attribute parsing or regular expression code is based on the Textpattern tag parser. A few examples are below:
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| add_shortcode( $tag, $callback ) X-Ref |
| Adds a new shortcode. Care should be taken through prefixing or other means to ensure that the shortcode tag being added is unique and will not conflict with other, already-added shortcode tags. In the event of a duplicated tag, the tag loaded last will take precedence. param: string $tag Shortcode tag to be searched in post content. param: callable $callback The callback function to run when the shortcode is found. |
| remove_shortcode( $tag ) X-Ref |
| Removes hook for shortcode. param: string $tag Shortcode tag to remove hook for. |
| remove_all_shortcodes() X-Ref |
| Clears all shortcodes. This function clears all of the shortcode tags by replacing the shortcodes global with an empty array. This is actually an efficient method for removing all shortcodes. |
| shortcode_exists( $tag ) X-Ref |
| Determines whether a registered shortcode exists named $tag. return: bool Whether the given shortcode exists. param: string $tag Shortcode tag to check. |
| has_shortcode( $content, $tag ) X-Ref |
| Determines whether the passed content contains the specified shortcode. return: bool Whether the passed content contains the given shortcode. param: string $content Content to search for shortcodes. param: string $tag Shortcode tag to check. |
| get_shortcode_tags_in_content( $content ) X-Ref |
| Returns a list of registered shortcode names found in the given content. Example usage: get_shortcode_tags_in_content( '[audio src="file.mp3"][/audio] [foo] [gallery ids="1,2,3"]' ); // array( 'audio', 'gallery' ) return: string[] An array of registered shortcode names found in the content. param: string $content The content to check. |
| apply_shortcodes( $content, $ignore_html = false ) X-Ref |
| Searches content for shortcodes and filter shortcodes through their hooks. This function is an alias for do_shortcode(). return: string Content with shortcodes filtered out. param: string $content Content to search for shortcodes. param: bool $ignore_html When true, shortcodes inside HTML elements will be skipped. |
| do_shortcode( $content, $ignore_html = false ) X-Ref |
| Searches content for shortcodes and filter shortcodes through their hooks. If there are no shortcode tags defined, then the content will be returned without any filtering. This might cause issues when plugins are disabled but the shortcode will still show up in the post or content. return: string Content with shortcodes filtered out. param: string $content Content to search for shortcodes. param: bool $ignore_html When true, shortcodes inside HTML elements will be skipped. |
| _filter_do_shortcode_context() X-Ref |
| Filter the `wp_get_attachment_image_context` hook during shortcode rendering. When wp_get_attachment_image() is called during shortcode rendering, we need to make clear that the context is a shortcode and not part of the theme's template rendering logic. return: string The filtered context value for wp_get_attachment_images when doing shortcodes. |
| get_shortcode_regex( $tagnames = null ) X-Ref |
| Retrieves the shortcode regular expression for searching. The regular expression combines the shortcode tags in the regular expression in a regex class. The regular expression contains 6 different sub matches to help with parsing. 1 - An extra [ to allow for escaping shortcodes with double [[]] 2 - The shortcode name 3 - The shortcode argument list 4 - The self closing / 5 - The content of a shortcode when it wraps some content. 6 - An extra ] to allow for escaping shortcodes with double [[]] return: string The shortcode search regular expression param: array $tagnames Optional. List of shortcodes to find. Defaults to all registered shortcodes. |
| do_shortcode_tag( $m ) X-Ref |
| Regular Expression callable for do_shortcode() for calling shortcode hook. return: string Shortcode output. param: array $m { |
| do_shortcodes_in_html_tags( $content, $ignore_html, $tagnames ) X-Ref |
| Searches only inside HTML elements for shortcodes and process them. Any [ or ] characters remaining inside elements will be HTML encoded to prevent interference with shortcodes that are outside the elements. Assumes $content processed by KSES already. Users with unfiltered_html capability may get unexpected output if angle braces are nested in tags. return: string Content with shortcodes filtered out. param: string $content Content to search for shortcodes. param: bool $ignore_html When true, all square braces inside elements will be encoded. param: array $tagnames List of shortcodes to find. |
| unescape_invalid_shortcodes( $content ) X-Ref |
| Removes placeholders added by do_shortcodes_in_html_tags(). return: string Content with placeholders removed. param: string $content Content to search for placeholders. |
| get_shortcode_atts_regex() X-Ref |
| Retrieves the shortcode attributes regex. return: string The shortcode attribute regular expression. |
| shortcode_parse_atts( $text ) X-Ref |
| Retrieves all attributes from the shortcodes tag. The attributes list has the attribute name as the key and the value of the attribute as the value in the key/value pair. This allows for easier retrieval of the attributes, since all attributes have to be known. return: array Array of attribute values keyed by attribute name. param: string $text Shortcode arguments list. |
| shortcode_atts( $pairs, $atts, $shortcode = '' ) X-Ref |
| Combines user attributes with known attributes and fill in defaults when needed. The pairs should be considered to be all of the attributes which are supported by the caller and given as a list. The returned attributes will only contain the attributes in the $pairs list. If the $atts list has unsupported attributes, then they will be ignored and removed from the final returned list. return: array Combined and filtered attribute list. param: array $pairs Entire list of supported attributes and their defaults. param: array $atts User defined attributes in shortcode tag. param: string $shortcode Optional. The name of the shortcode, provided for context to enable filtering |
| strip_shortcodes( $content ) X-Ref |
| Removes all shortcode tags from the given content. return: string Content without shortcode tags. param: string $content Content to remove shortcode tags. |
| strip_shortcode_tag( $m ) X-Ref |
| Strips a shortcode tag based on RegEx matches against post content. return: string|false The content stripped of the tag, otherwise false. param: array $m RegEx matches against post content. |
| Generated : Sat Dec 21 08:20:01 2024 | Cross-referenced by PHPXref |