Rabin Vincent escribió:
On 5/4/06, Jon Earle <je_php@xxxxxxxxxxxxxxx> wrote:
$ret_val = 0;
if ($aday == $bday) {$ret_val = 0;}
else {$ret_val = ($aday < $bday) ? -1 : 1;}
return ret_val;
You're missing the $ for ret_val on the return line.
PHP thus understands the return value as a string,
"ret_val", which would be taken as 0. Since all elements
are now equal, the order of the elements in the array
is undefined.
Rabin
Actually, PHP first looks for a constant named "ret_val", then it uses a
string containing "ret_val". So, if there was a constant with that name,
that value would have been used.
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