wp_kses_post( string $data ): string

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   Pitabas 6 years ago

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   Display Admin notice

   The following example of basic usage of the wp_kses_post() function. We can use it to print the message in the admin screen.

   if ( ! version_compare( PHP_VERSION, '5.6', '>=' ) ) {
   	add_action( 'admin_notices', 'wpdocs_fail_php_version' );
   } 
   
   /**
    * Admin notice for minimum PHP version.
    *
    * Warning when the site doesn't have the minimum required PHP version.
    *
    * @since 1.0.0
    *
    * @return void
    */
   function wpdocs_fail_php_version() {
   
   	if ( isset( $_GET['activate'] ) ) {
   		unset( $_GET['activate'] );
   	}
   
   	/* translators: %s: PHP version */
   	$message      = sprintf( __( '<strong>My Custom Plugin</strong> requires PHP version %s+, plugin is currently NOT RUNNING.', 'wpdocs-text-domain' ), '5.6' );
   	$html_message = sprintf( '<div class="error">%s</div>', wpautop( $message ) );
   	echo wp_kses_post( $html_message );
   }