Wordpress notice

// for success
<div class="notice notice-success is-dismissible">
        <p><?php _e( 'Done!', 'sample-text-domain' ); ?></p>
</div>
  
// for error  
<div class="notice notice-error is-dismissible ">
        <p><?php _e( 'Error message here!', 'sample-text-domain' ); ?></p>
</div>

Source: developer.wordpress.org

Wordpress show notice

function sample_admin_notice__success() {
    ?>
    <div class="notice notice-success is-dismissible">
        <p><?php _e( 'Done!', 'sample-text-domain' ); ?></p>
    </div>
    <?php
}
add_action( 'admin_notices', 'sample_admin_notice__success' );

Source: developer.wordpress.org

Wordpress notice

# More advance version

function sample_admin_notice__error() {
    $class = 'notice notice-error';
    $message = __( 'Irks! An error has occurred.', 'sample-text-domain' );
 
    printf( '<div class="%1$s"><p>%2$s</p></div>', esc_attr( $class ), esc_html( $message ) ); 
}
add_action( 'admin_notices', 'sample_admin_notice__error' );

Similar codes

0 vote217 views1 answer
Create table laravel give name table
PHP Laravel
1 vote173 views1 answer
How to fetch all defined constant in php
PHP
2 votes174 views1 answer
Php switch case multiple values per line
PHP
1 vote242 views1 answer
Laravel websockets onsubscribe
PHP Laravel
0 vote173 views1 answer
Enque scripts from plugin
PHP
0 vote202 views1 answer
Laravel migrate error default character 199 boot
PHP Laravel
11 votes173 views4 answers
Randstring php
PHP
3 votes189 views3 answers
Long day in php
PHP
53 votes228 views6 answers
Laravel join
PHP
8 votes184 views3 answers
Get class name from object php
PHP