Code snippet below needs to be in a custom module.
/**
* Implements hook_block_info().
*/
function {MODULE_NAME}_block_info() {
$blocks = array();
$blocks['xyz'] = array(
'info' => t('BLOCK NAME'),
);
return $blocks;
}
/**
* Implements hook_block_view().
*/
function {MODULE_NAME}_block_view($delta = '') {
$block = array();
switch ($delta) {
case 'xyz':
$block['subject'] = '';
$block['content'] = _{MODULE_NAME}_BLOCK_XYZ_CONTENT(); [you can give any name!]
break;
}
return $block;
}
function _{MODULE_NAME}_BLOCK_XYZ_CONTENT() {
$output = t('This is demo block');
return $output;
}