The embed_html WordPress PHP filter allows you to modify the default embed HTML output for a given post.
Usage
add_filter('embed_html', 'your_function_name', 10, 4);
function your_function_name($output, $post, $width, $height) {
// your custom code here
return $output;
}
Parameters
$output(string) – The default iframe tag to display embedded content.$post(WP_Post) – Current post object.$width(int) – Width of the response.$height(int) – Height of the response.
More information
See WordPress Developer Resources: embed_html
Examples
Change embed width and height
Modify the default width and height of the embedded content.
add_filter('embed_html', 'adjust_embed_dimensions', 10, 4);
function adjust_embed_dimensions($output, $post, $width, $height) {
$new_width = 800;
$new_height = 450;
$output = preg_replace('/width="(\d+)"/i', 'width="' . $new_width . '"', $output);
$output = preg_replace('/height="(\d+)"/i', 'height="' . $new_height . '"', $output);
return $output;
}
Add a custom CSS class to iframe
Add a custom CSS class to the embedded iframe.
add_filter('embed_html', 'add_custom_iframe_class', 10, 4);
function add_custom_iframe_class($output, $post, $width, $height) {
$output = str_replace('<iframe', '<iframe class="custom-iframe-class"', $output);
return $output;
}
Remove frameborder attribute
Remove the frameborder attribute from the iframe.
add_filter('embed_html', 'remove_frameborder_attribute', 10, 4);
function remove_frameborder_attribute($output, $post, $width, $height) {
$output = str_replace('frameborder="0"', '', $output);
return $output;
}
Add a custom wrapper around the iframe
Wrap the iframe with a custom div element.
add_filter('embed_html', 'wrap_iframe_with_div', 10, 4);
function wrap_iframe_with_div($output, $post, $width, $height) {
$output = '<div class="custom-iframe-wrapper">' . $output . '</div>';
return $output;
}
Disable the embedded content for a specific post type
Disable the embedded content for a specific custom post type, such as ‘product’.
add_filter('embed_html', 'disable_embed_for_product', 10, 4);
function disable_embed_for_product($output, $post, $width, $height) {
if ($post->post_type == 'product') {
return '';
}
return $output;
}