Wordpress

How to change Contact Form 7 Placeholder Text Color

::-webkit-input-placeholder { /* WebKit browsers */
    color: #000 !important;
    opacity: 1;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    color: #000 !important;
    opacity: 1;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
    color: #000 !important;
    opacity: 1;
}
:-ms-input-placeholder { /* Internet Explorer 10+ */
    color: #000 !important;
    opacity: 1;
}

Visto en https://codeless.co/contact-form-7-placeholder-text-color/

Mostrar campos de usuario en la columna del administrador

function new_modify_user_table( $column ) {
    $column['test-1'] = 'test 1';
    $column['test-2'] = 'test 2';
    return $column;
}
add_filter( 'manage_users_columns', 'new_modify_user_table' );
 
function new_modify_user_table_row( $val, $column_name, $user_id ) {
    switch ($column_name) {
        case 'test-1' :
            return get_user_meta($user_id, 'wpcf-test-1', true);
        case 'test-2' :
            return get_user_meta($user_id, 'wpcf-test-2', true);
        default:
    }
    return $val;
}
add_filter( 'manage_users_custom_column', 'new_modify_user_table_row', 10, 3 );

Visto en toolset

WordPress: Bloquear wp-admin a no administradores

/**
 * Hide admin bar for non-admins
 */
function js_hide_admin_bar( $show ) {
	if ( ! current_user_can( 'administrator' ) ) {
		return false;
	}

	return $show;
}
add_filter( 'show_admin_bar', 'js_hide_admin_bar' );

/**
 * Block wp-admin access for non-admins
 */
function ace_block_wp_admin() {
	if ( is_admin() && ! current_user_can( 'administrator' ) && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
		wp_safe_redirect( home_url() );
		exit;
	}
}
add_action( 'admin_init', 'ace_block_wp_admin' );
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