Also, they cannot be called using variable functions. Notice however that though echo doesn't return a value, print does. On Tue, Apr 29, 2014 at 7:46 AM, Kumar Saurabh Sinha < sinha.ksaurabh@xxxxxxxxx> wrote: > Difference between Language Construct & Functions: > > *Language Constructs* > Constructs are elements that are built-into the language and, therefore, > follow special > rules. Perhaps the most common of them is the echo statement, which allows > you to write data to the script’s output: > > echo 10; // will output 10 > > It’s important to understand that echo is not a function and, as such, it > does not have > a return value. If you need to output data through a function, you can use > print() > instead: > > echo 10;print (10); > > Another very important construct is die(), which is itself an alias of > exit(). It allows > you to terminate the script’s output and either output a string or return a > numeric > status to the process that called the script. > > Thanks & Regards > > *Kumar Saurabh Sinha* > +91-9971047719 | +91-8595436700 > > > > On Tue, Apr 29, 2014 at 6:03 PM, Tedd Sperling <tedd@xxxxxxxxxxxx> wrote: > > > On Apr 28, 2014, at 3:32 PM, Robert Cummings <robert@xxxxxxxxxxxxx> > wrote: > > > On 14-04-28 03:30 PM, Robert Cummings wrote: > > >> They should push the use of echo over print since it's a language > > >> construct and not a function thus it benefits from no function > overhead. > > >> > > >> Cheers, > > >> Rob. > > > > > > I'd like to retract this comment :) Apparent print is not a function. > > Didn't it used to be? > > > > > > Cheers, > > > Rob. > > > -- > > > > Nope, you can't retract it. :-) > > > > As for "print" being a function or construct, I dunno -- what's the > > difference? > > > > Cheers, > > > > tedd > > > > > > _______________ > > tedd sperling > > tedd@xxxxxxxxxxxx > > > > > > > > > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > >
