Hello.
I am a contributor of Porto WordPress Theme.
Please add a new function(porto_custom_breadcrumb) to the apply_filter hook – ‘porto_breadcrumbs’.
Next, you should copy the content of the porto_breadcrumbs function to porto_custom_breadcrumb function and edit the code you want to override.
Please try the below code.
add_filter( 'porto_breadcrumbs', 'porto_custom_breadcrumb' );function porto_custom_breadcrumb( $output ) {/** Code of Porto_breadcrumbs function **/$output .= sprintf( "<li>" . esc_html__( "Product Tag", "porto" ) . " - %s</li>", $html );=>$output .= sprintf( "<li>" . esc_html__( "Product Tag", "porto" ) . '%s'</li>', $html );/** Code of Porto_breadcrumbs function **/return $output;}