Function and usage of do_shortcode() in wordpress


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    The do_shortcode() function in WordPress is used to search content for shortcodes and filter them through their respective hooks. Shortcodes are a way to embed dynamic content, such as forms, galleries, or custom functionality, into WordPress posts, pages, or widgets. This function allows you to process and execute these shortcodes within the provided content.

    Here's a detailed explanation of the function and its parameters:

    do_shortcode( string $content, bool $ignore_html = false ): string
    • $content (string, required): This is the content in which you want to search for and process shortcodes. It can be any text or HTML containing shortcode tags enclosed in square brackets, like [shortcode].

    • $ignore_html (bool, optional): This parameter determines whether shortcodes inside HTML elements should be skipped or processed. When set to true, shortcodes within HTML tags will be ignored. If set to false (the default), the function will search for and process shortcodes both inside and outside HTML elements.

    Return value: The do_shortcode() function returns a string that is the content with shortcodes filtered out. It will replace the shortcode tags with their corresponding output.

    Sample Usage:

    // Sample content containing shortcodes
    $content = "This is some text with a [gallery] shortcode and an [custom_shortcode] inside it.";
    // Process the shortcodes and replace them with their output
    $filtered_content = do_shortcode($content);
    // Output the filtered content
    echo $filtered_content;

    In this example, do_shortcode() will search for the [gallery] and [custom_shortcode] tags in the $content variable and replace them with the actual content generated by their respective shortcode functions. The filtered content will be displayed, which may include HTML, text, or any other output produced by the shortcodes.

    Keep in mind that for shortcodes to work properly, the corresponding shortcode functions should be registered in your WordPress theme or plugins. These functions define how the shortcode content is generated and what output it produces when processed by do_shortcode().

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