Author social media aren't shown on the page

Try This for IF :

if(!empty($user->user_url)) { 
   // OUTPUT
}

All Code


$website = $user->user_url;
if(!empty($user->user_url)) { 
   printf('<a href="https://wordpress.stackexchange.com/questions/353378/%s">%s</a>', $user->user_url, '<i class="icon-home"></i>'); 
}
$twitter = get_user_meta($user->ID, 'twitter_profile', true);
if(!empty($twitter)) {  
   printf('<a href="https://wordpress.stackexchange.com/questions/353378/%s">%s</a>', $twitter, '<i class="icon-twitter"></i>'); 
}
$facebook = get_user_meta($user->ID, 'facebook_profile', true);
if(!empty($facebook)) { 
   printf('<a href="https://wordpress.stackexchange.com/questions/353378/%s">%s</a>', $facebook, '<i class="icon-facebook"></i>');
}
$google = get_user_meta($user->ID, 'google_profile', true);
if(!empty($google)){
   printf('<a href="https://wordpress.stackexchange.com/questions/353378/%s">%s</a>', $google, '<i class="icon-google"></i>');
}
$linkedin = get_user_meta($user->ID, 'linkedin_profile', true);
if(!empty($linkedin)){ 
   printf('<a href="https://wordpress.stackexchange.com/questions/353378/%s">%s</a>', $linkedin, '<i class="icon-linkedin"></i>');
}

EDIT

Previously, you had to add code in the function according to your needs.

Example

<?php
//CREATE  CUSTOM USER DATA
add_action( 'show_user_profile', 'facebook_custom_extra_profile_fields' );
add_action( 'edit_user_profile', 'facebook_custom_extra_profile_fields' );

function facebook_custom_extra_profile_fields( $user ) { ?>

    <h3><?php echo esc_html__('Facebook URL','text-domain');?></h3>

    <table class="form-table">

        <tr>
            <th><label for="twitter"><?php echo esc_html__('Facebook URL','text-domain');?></label></th>

            <td>
                <input type="text" name="facebook_profile" id="facebook_profile" value="<?php echo esc_attr( get_the_author_meta( 'facebook_profile', $user->ID ) ); ?>" class="regular-text" /><br />
                <span class="description"><?php echo esc_html__('Please enter Facebook URL.','text-domain');?></span>
            </td>
        </tr>

    </table>
<?php }


//SAVE CUSTOM USER DATA

add_action( 'personal_options_update', 'facebook_custom_save_extra_profile_fields' );
add_action( 'edit_user_profile_update', 'facebook_custom_save_extra_profile_fields' );

function facebook_custom_save_extra_profile_fields( $user_id ) {

    if ( !current_user_can( 'edit_user', $user_id ) )
        return false;

    update_user_meta( $user_id, 'facebook_profile', $_POST['facebook_profile'] );
}

?>

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