Add OG meta tags to wp head

Question

I'm using gravity forms and on thank you page I would like to be able to add some of the fields into to head OG meta tags. So far I have this:

After Gravity forms submission we get the needed fields

function after_submission( $entry, $form ) {

    $name = $entry[2];
    $item = $entry[5];

    insert_og_in_head( $name, $item );

}
add_action( "gform_after_submission", "after_submission", 10, 2 );

Write the metatags to head

function insert_og_in_head( $name = NULL, $item = NULL) {

    global $post;
    if ( !is_page( 6 ) ) //if it is not a post or a page
    return;

    echo '<meta property="og:title" content="' . $name . ' lorem opossum dolor"/>';
    echo '<meta property="og:description" content="' . $item . ' lorem." />';
    echo '<meta property="og:type" content="website"/>';
}
add_action( "wp_head", "insert_og_in_head", 5 );

It gets the needed fields from forms correctly, it gets to function where it supposed to write them, but still on my head the field parts are empty. What I'm doing wrong? I somehow feel it goes twice to insert_og_in_head function, first time writes correctly but on second time it overrides with empty.

Answer 1

Well You can also try by adding action inside.

function after_submission( $entry, $form ) {

    $name = $entry[2];
    $item = $entry[5];

    insert_og_in_head( $name, $item );
    add_action( "wp_head", "insert_og_in_head" );

}
add_action( "gform_after_submission", "after_submission", 10, 2 );

function insert_og_in_head( $name = NULL, $item = NULL) {

    global $post;
    if ( !is_page( 6 ) ) //if it is not a post or a page
    return;

    echo '<meta property="og:title" content="' . $name . ' lorem opossum dolor"/>';
    echo '<meta property="og:description" content="' . $item . ' lorem." />';
    echo '<meta property="og:type" content="website"/>';
}