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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, $func) X-Ref |
| Add hook for shortcode tag. There can only be one hook for each shortcode. Which means that if another plugin has a similar shortcode, it will override yours or yours will override theirs depending on which order the plugins are included and/or ran. Simplest example of a shortcode tag using the API: <code> // [footag foo="bar"] function footag_func($atts) { return "foo = {$atts[foo]}"; } add_shortcode('footag', 'footag_func'); </code> Example with nice attribute defaults: <code> // [bartag foo="bar"] function bartag_func($atts) { extract(shortcode_atts(array( 'foo' => 'no foo', 'baz' => 'default baz', ), $atts)); return "foo = {$foo}"; } add_shortcode('bartag', 'bartag_func'); </code> Example with enclosed content: <code> // [baztag]content[/baztag] function baztag_func($atts, $content='') { return "content = $content"; } add_shortcode('baztag', 'baztag_func'); </code> param: string $tag Shortcode tag to be searched in post content. param: callable $func Hook to run when shortcode is found. since: 2.5 |
| remove_shortcode($tag) X-Ref |
| Removes hook for shortcode. param: string $tag shortcode tag to remove hook for. since: 2.5 |
| remove_all_shortcodes() X-Ref |
| Clear all shortcodes. This function is simple, it clears all of the shortcode tags by replacing the shortcodes global by a empty array. This is actually a very efficient method for removing all shortcodes. since: 2.5 |
| do_shortcode($content) X-Ref |
| Search 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. param: string $content Content to search for shortcodes return: string Content with shortcodes filtered out. since: 2.5 |
| get_shortcode_regex() X-Ref |
| Retrieve the shortcode regular expression for searching. The regular expression combines the shortcode tags in the regular expression in a regex class. The regular expresion contains 6 different sub matches to help with parsing. 1/6 - An extra [ or ] to allow for escaping shortcodes with double [[]] 2 - The shortcode name 3 - The shortcode argument list 4 - The self closing / 5 - The content of a shortcode when it wraps some content. return: string The shortcode search regular expression since: 2.5 |
| do_shortcode_tag($m) X-Ref |
| Regular Expression callable for do_shortcode() for calling shortcode hook. param: array $m Regular expression match array return: mixed False on failure. since: 2.5 |
| shortcode_parse_atts($text) X-Ref |
| Retrieve 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. param: string $text return: array List of attributes and their value. since: 2.5 |
| shortcode_atts($pairs, $atts) X-Ref |
| Combine 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. param: array $pairs Entire list of supported attributes and their defaults. param: array $atts User defined attributes in shortcode tag. return: array Combined and filtered attribute list. since: 2.5 |
| strip_shortcodes( $content ) X-Ref |
| Remove all shortcode tags from the given content. param: string $content Content to remove shortcode tags. return: string Content without shortcode tags. since: 2.5 |
| Generated: Fri Nov 22 01:00:56 2024 | Cross-referenced by PHPXref 0.7.1 |