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@NogDogApr 03.2020 — #Unfortunately, no, you have to supply a second argument in that case if you want to supply the 3rd one. So if you need to support either/or (as opposed to being able to switch the order in the function definition), you'd probably have to do something like:
Then you'd call it like this if you only want to supply the 3rd argument without the second:
It would be nice if you could just ',,' it, but unfortunately you can't. In CLI mode:
php default arguements
just flicking through the php manual nd have come across default arguements. my question is regarding multiple default arguements. in the following code
“`
function my_function($var, $var2 = “a”, $var3 = “b”){}
how would i provide a non defaut value for var3 without giving anything for var2?
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@NogDogApr 03.2020 — #Unfortunately, no, you have to supply a second argument in that case if you want to supply the 3rd one. So if you need to support either/or (as opposed to being able to switch the order in the function definition), you'd probably have to do something like:<i>
</i>function foo($arg1, $arg2=2, $arg3=3)
{
if(!isset($arg2)) {
$arg2 = 2;
}
echo "$arg1, $arg2, $arg3n";
}
Then you'd call it like this if you only want to supply the 3rd argument without the second:
<i>
</i>foo('123', null, '456');
It would be nice if you could just ',,' it, but unfortunately you can't. In CLI mode:
<i>
</i>php > foo(123,,456);
Parse error: syntax error, unexpected ',' in php shell code on line 1