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[SOLVED] =0 in function??

Posted: Fri Jan 16, 2004 7:35 am
by melindaSA
Quick question, what does the =0 in

Code: Select all

function send_mail($what, $who, $sender_name=0, $code=0)
do??

Posted: Fri Jan 16, 2004 7:40 am
by markl999
It sets a default value for that variable if a value isn't passed in.
E.g

function foo($required, $optional1=0, $optional2=5){
echo $optional1.' '.$optional2;
}

foo(1); //displays 0 5
foo(1, 7); //displays 7 5
foo(1,6,6); // displays 6 6

Posted: Fri Jan 16, 2004 7:49 am
by melindaSA
Thank you, makes sense now! :D