Use 0 and 1 as shortcode values and use that show or hide the HTML attribute. Example with an element input and the attribute required: function input_shortcode( $atts ) { $values = shortcode_atts( array ( ‘type’ => ‘text’, ‘value’ => ”, ‘name’ => ”, ‘id’ => ”, ‘required’ => 0, ), $atts ); $values = … Read more
Registering a custom embed handler Here’s an example how we can use the wp_embed_register_handler() function in your case: /** * Register an embed handler for myvi videos */ add_action( ‘init’, function() { wp_embed_register_handler( ‘myvi’, ‘#http://www\.myvi\.ru/watch/([a-zA-Z0-9_-]+)$#i’, // <– Adjust this to your needs! ‘myvi_embed_handler’ ); } ); Here we constructed the regular expression in a way … Read more
filtering the_excerpt() If you remove_filter( ‘get_the_excerpt’, ‘wp_trim_excerpt’ ) and add your own get_the_excerpt filter you can do this. The default filter (wp_trim_excerpt()) can be found on line 2023 of /wp-includes/formatting.php if you want to just modify that. The extent of what you need to do is just modifying which tags are allowed in strip_tags(). overriding … Read more
That width is dictated by the $content_width global, defined by the Theme. To change it, you’ll need to hook into after_setup_theme and modify it: function wpse124075_setup_theme() { global $content_width; if ( ! isset( $content_width ) ) { $content_width = 640; // your value here, in pixels } } add_action( ‘after_setup_theme’, ‘wpse124075_setup_theme’ );
You can filter the HTML output for oEmbed with oembed_result. Now test the HTTP host of the URL for www.youtube.com and add the parameter. The oEmbed result is cached in a post meta field to avoid too many requests. To update old posts I have added an activation helper that clears those cached content for … Read more
I just finished a Wordperss site that had a similar need for playing video. I would recommend going the Youtube route. Youtube will handle hosting, file conversions and with iframe embedding you can be sure the most devices possible will see your videos. On the WordPress side of the equation, there are many helpful plugins … Read more
php-flvinfo and php-mp4info are php classes for reading flv and mp4 metadata. you could read it on the fly, or it may be possible to hook a save to get this info in the db somewhere.
Notes before What you’re asking for is a highly complex thing: Load next post after WP internal Data finished, played with some 3rd party player Load next post after YouTube player (javascript or ActionScript) finished The problem is not the redirect 1), but more how you want to know how & when to load the … Read more
I’d recommend using a custom post type to handle this. You can add the custom post type and set it to only accept the YouTube url as content. Then you can display the “most recent” post from this setup with a custom loop on your home page. Here are a couple other good resources to … Read more
I believe part of what you’re looking for is the WP_Embed class defined in wp-includes/media.php. It implements a framework for automatically replacing urls with the output of embed handlers. I’m afraid you’ll have to do the deeper research yourself (this was apparently introduces in 2.9.0, so documentation might still be thin). I doubt WordPress core … Read more