On Apr 29, 2014, at 9:11 AM, Daniel Brown <danbrown@xxxxxxx> wrote:
>
> To be fair, and to muddy-up the waters even more....
>
> echo 'echo'; // No parentheses needed....
> echo('echo'); // .... but they can be used.
> print('print'); // Seems common to see parentheses used here....
> print 'print'; // .... but as a construct, they're not needed.
> exit; // A language construct does not need parentheses....
> exit(-1); // .... except in certain situations like this,
> where data is passed.
> continue; // However, there is yet another exception....
> continue(2); // .... in that continue works with parentheses....
> continue 2; // .... and without, but it is a control structure.
> goto hell; // And yet, goto - another control structure - works....
> goto(hell); // .... but only if you skip parentheses.
>
> --
> </Daniel P. Brown>
> Network Infrastructure Manager
> http://www.php.net/
Don't forget Ouch(); //... it returns "My head hurts."
Also, with a function you can do this:
$squareRoot = "sqrt";
echo "The square root of 9 is " . $squareRoot(9); // a variable function
But, you can't do the same with a construct:
I want to go back to "I dunno" because that was simpler for me -- some things are just not meant to be learnt.
Cheers,
tedd
_______________
tedd sperling
tedd@xxxxxxxxxxxx
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