Snippet: Default excerpt when no excerpt was added

Add following snippet to “functions.php”

Snippet

add_filter( 'the_excerpt', 'default_excerpt_when_empty', 10, 1 );
function default_excerpt_when_empty( $excerpt ){
    if(empty($excerpt)) {
    	return "This post does not have any excerpt";
    }
    return $excerpt;
}

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