On 14-04-29 07:28 PM, Tedd Sperling wrote:
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:
But these days you can get pretty damn close:
<?php
$echo = function( $string ){ echo $string };
$echo( "I do indeed love true anonymous functions :)" );
?>
Cheers,
Rob.
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