Double Underscore in PHP?

Question

What does the double underscores in these lines of PHP code mean?

$WPLD_Trans[\'Yes\']=__(\'Yes\',$WPLD_Domain);
$WPLD_Trans[\'No\']=__(\'No\',$WPLD_Domain);         


        

Answer 1

Looks like you're using Wordpress - wp-includes/l10n.php defines __ as a function that translates a string (similar to gettext and its alias, _ but with an optional parameter for explicitly specifying a domain).