Re: Which is more expensive: concatenation or embedding?

Hello, and for those who came from the realm of C: printf('This is a string and my variable $x is %s',$x); I've made a little test with the mentioned three methods and the difference is less than minor. Choose what you can read and understand easier. ----- Original Message ----- From: "Jason Lustig" <lustig@acsu.buffalo.edu> To: "Php-General@Lists. Php. Net" <php-general@lists.php.net> Sent: 2001. június 22. 23:04 Subject: [PHP] Which is more expensive: concatenation or embedding? > There are two ways to get your variables into a string -- concatenation with > single-quoted strings, or embedding in evaluated double-quoted strings. > Which is more expensive to the server? > > For example: > > <?php > > $x = 10; > echo "This is a string and my variable \$x is $x.\n"; > echo 'This is a string and my variablke $x is '.$x."\n"; > > ?> > > Now, which is more expensive? Is it more expensive to concatenate them, or > to evaluate the whole string since it would be in double-quotes? I see lots > of people do things in double-quotes, but it would seem to me that > single-quoted strings concatenated with variables would be less expensive > because you are only evaluating the variables. > > --Jason > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net >