acf/admin/license_key_constant_message │ filter-hook │ ACF 1.0

Usage

add_filter( 'acf/admin/license_key_constant_message', 'wp_kama_acf_admin_license_key_constant_message_filter' );

/**
 * Function for `acf/admin/license_key_constant_message` filter-hook.
 * 
 * @param  $__ 
 *
 * @return 
 */
function wp_kama_acf_admin_license_key_constant_message_filter( $__ ){
	// filter...
	return $__;
}

$__

-

Where the hook is called

<?php echo acf_esc_html( apply_filters( 'acf/admin/license_key_constant_message', __( 'Your license key is defined in wp-config.php.', 'acf' ) ) ); ?>

Where the hook is used in Advanced Custom Fields PRO