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September 10, 2024 00:35
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Shortcode to output a download button after receiving a file upload field Merge Tag. It supports multiple files.
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| <?php // DO NOT COPY THIS LINE | |
| // How to use: inside a custom content field, use: [download_links urls="{File Upload:9}"] | |
| function shortcode_download_links($atts) { | |
| // Capture the shortcode attributes | |
| $atts = shortcode_atts( | |
| array( | |
| 'urls' => '', // Default value for the merge tag | |
| ), | |
| $atts | |
| ); | |
| // Receive the value from the merge tag {upload file:9} | |
| $urls = $atts['urls']; | |
| // Check if the value is empty | |
| if (empty($urls)) { | |
| return ''; // Return empty if there are no URLs | |
| } | |
| // Split the URLs using the <br> tag as a delimiter | |
| $urls_array = preg_split('/<br\s*\/?>/i', $urls); | |
| // Initialize a string to store the buttons | |
| $output = ''; | |
| // For each URL, create a download button | |
| foreach ($urls_array as $url) { | |
| // Remove whitespace from the URL | |
| $url = trim($url); | |
| // Check if the URL is not empty | |
| if (!empty($url)) { | |
| $output .= '<a class="download" href="' . esc_url($url) . '" download="">Download</a><br>'; | |
| } | |
| } | |
| // Return the HTML with the buttons | |
| return $output; | |
| } | |
| // Register the shortcode [download_links urls="{upload file:9}"] | |
| add_shortcode('download_links', 'shortcode_download_links'); |
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