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in my ad site I was trying to create shortcode of some custom fields I created on a custom post type.

I'll explain

In the single post, there are the custom fields and are shown in a standard way in a table below.

If I want to take 1 of those custom filed, and add a shortcode to it and then show that custom filed easily where I want via the shortcode, how do you do it?

I hope I explained myself. I'm sure it's possible, but I can not try it for days.

I do not use the ACF plugin so I have to do it without this plugin, because everything is already set up in a plugin, not in the theme.

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You’ll have to use add_shortcode to achieve this. Let’s say that you want this shortcode to be called “my_cf”:

function my_cf_shortcode_callback( $atts ) {
    $atts = shortcode_atts( array(
        'post_id' => get_the_ID(),
    ), $atts, 'my_cf' );

    return get_post_meta( $atts['post_id'], <FIELD_NAME>, true );
}
add_shortcode( 'my_cf', 'my_cf_shortcode_callback' );

Now you can use it by putting [my_cf] or [my_cf post_id=POST_ID] to your posts.

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  • Do I have to copy the code to function.php? enter the name of the custom field and the name of the shortcode. At that point I can go for example on elementor, add the shortcode on the single ad, personalizing it and you will see the custom field in a dynamic way? For example, if this custom field that interests me, talk about colors. In each post I set a different color in a post there is written "green color" in another post "orange" so the custom field will show dynamically even with the shortcode? Commented Feb 2, 2019 at 18:44
  • Yes - you should paste that code to your functions.php. And you have to change <FIELD_NAME> to real name of your custom field. Of course you can also change name of shortcode to whatever you like by replacing my_cf. Commented Feb 2, 2019 at 18:47
  • iI try but wordpress give me error, no save. Why Commented Feb 2, 2019 at 18:48
  • is not this the code? add_shortcode( "sinle_post", function( $args ) { ob_start(); if( isset( $args["post_id"] ) ) { $post_id = $args["post_id"]; } else { $post_id = get_the_ID(); } Commented Feb 2, 2019 at 18:50
  • What error do you get? Commented Feb 2, 2019 at 18:51

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