For our customization want to remove specific country from woocommerce country list then place the following snippet in functions.php within your theme folder!.

function woo_remove_specific_country( $country ) 
{
   unset($country["US"]);
   return $country; 
}
add_filter( 'woocommerce_countries', 'woo_remove_specific_country', 10, 1 );

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For our customization want to set wp mail from address when sending mail using wp_mail() then place the following snippet in functions.php within your theme folder!.

function set_wp_mail_from_address( $original_email_address )
{
	$cw_email_from_address = get_option( 'admin_email' );
	return $cw_email_from_address;
}
add_filter( 'wp_mail_from', 'set_wp_mail_from_address' );

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For our customization want to create new page if it’s not exists then place the following snippet in functions.php within your theme folder!.

function create_new_page()
{
    global $user_ID;
    if( get_page_by_title('New Page')==NULL )
    {
	$new_post = array(
		      'post_title' => 'New Page',
		      'post_content' => 'New post content',
		      'post_status' => 'publish',
		      'post_date' => date('Y-m-d H:i:s'),
		      'post_author' => $user_ID,
		      'post_type' => 'page'
		);
	$post_id = wp_insert_post($new_post);
   }
}
add_action('init','create_new_page');

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For our customization want to increase the_excerpt() content length then using the excerpt_length filter. by default expert length is 55. for example you want to change length in to 100 then place the following snippet in functions.php within your theme folder!.

function increase_custom_excerpt_length( $length ) {
    return 100;
}
add_filter( 'excerpt_length', 'increase_custom_excerpt_length', 999 );

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For our customization want to display category name of custom post type by post id then place the following exact location.

$terms=get_the_terms( $post->ID, 'Enter_your_taxonomy_here' );
foreach($terms as $term)
{
	echo $term->name;
}

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For our customization want to set wp mail from name when sending mail using wp_mail() then place the following snippet in functions.php within your theme folder!.

function set_wp_mail_from_name( $original_email_from )
{
	$cw_email_from_name = 'Testing';
	return $cw_email_from_name;
}
add_filter( 'wp_mail_from_name', 'set_wp_mail_from_name' );

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For our customization want to set content type as html when sending mail using wp_mail() then place the following snippet in functions.php within your theme folder!.

function set_content_type_as_html()
{
    return "text/html";
}
add_filter( 'wp_mail_content_type','set_content_type_as_html' );

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For our customization want to check user meta when user login in wordpress then place the following snippet in functions.php within your theme folder!.

function check_user_meta_data($user) 
{
	$st=get_user_meta( $user->ID, 'user_status', true);
	 if ($st != 'active') {
        $user = new WP_Error( 'denied', __("ERROR: Account Not Active..") );
    }
    return $user;
		
}
add_action('wp_authenticate_user', 'check_user_meta_data', 10, 2);

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For our customization want to remove <p> and <br> tags from wordpress content then place the following snippet in functions.php within your theme folder!.

remove_filter( 'the_content', 'wpautop' );
remove_filter( 'the_excerpt', 'wpautop' );

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For our customization want to disable buddypress cover photo for group then place the following snippet in functions.php within your theme folder!.

add_filter( 'bp_is_groups_cover_image_active', '__return_false' );

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