define – WP_DEBUG

DOING_AJAX, block admin access

# admin, ajax, constante, define

February 13, 2024
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To block the access to the admin page to users, but allowing the access to ajax at the same time:
```
add_action( 'admin_init', 'dev__block_admin_access', 100 );

function dev__block_admin_access() {

    if ( ! defined( 'DOING_AJAX' ) && ! current_user_can( 'edit_pages' ) ) {
        exit( wp_redirect( esc_url( home_url( '/' ) ) ) );
    }
}
```
source: https://developer.wordpress.org/reference/functions/wp_doing_ajax/