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Is there any way to use default_content only for a certain post type, specifically product (WooCommerce)?

My code:

add_filter( 'default_content', 'set_default_content', 10, 2 );
function set_default_content( $content, $product ) {
    $content ='content to add to a post']';
    return $content;
}

I've tried with if ( 'product' == get_post_type() ) or even if ( 'page' == get_post_type() ) to test it but it's not working.

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default_content is a filter used in the backend. You don't necessarily have anything in the loop so standard functions will probably fail. However, you're given a second argument of type WP_Post. You can check its post_type easily and work from there.

add_filter('default_content', 'WPSE_product_default_content', 10, 2);
function WPSE_product_default_content($post_content, $post) {
    if ($post->post_type !== 'product')
        return $post_content;

    $content ='content to add to a post'
    return $content;
}
  • I actually manged to do it by calling the global variable inside the function. Is it considered a bad way to do it this way? add_filter( 'default_content', 'set_default_content', 10, 2 ); function set_default_content( $content, $post ) { global $post_type; if ('product' == $post_type) { $content ='[block id="2346"]'; return $content; } } – Srj Nov 27 '18 at 18:16
  • Not sure about good / bad practice. But can you trust the global variable? $post->post_type will always yield what you expect it. I have no idea what might manipulate global $post_type or what not – kero Nov 27 '18 at 18:18

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