note 76055 added to function.is-array

elanthis at awesomeplay dot com, your function to
check whether an array is a map or a vector has a little
flaw.
Comparing $k != $value will return true if $value is  0. If
you check a map containing just one element like
array('foo'=>'bar') your check assumes that this is a
vector. Use the operator !== (not identical with) to avoid
that:

<?php
function is_vector (&$array) {
  $next = 0;
  foreach ($array as $k=>$v) {
    if ($k !== $next)
      return false;
    $next++;
  }
  return true;
}
?>
----
Server IP: 217.13.201.10
Probable Submitter: 134.102.230.241
----
Manual Page -- ht
tp://www.php.net/manual/en/function.is-array.php
Edit        -- https://master
.php.net/note/edit/76055
Del: integrated  -- h
ttps://master.php.net/note/delete/76055/integrated
Del: useless     -- http
s://master.php.net/note/delete/76055/useless
Del: bad code    -- htt
ps://master.php.net/note/delete/76055/bad+code
Del: spam        -- https:/
/master.php.net/note/delete/76055/spam
Del: non-english -- 
https://master.php.net/note/delete/76055/non-english
Del: in docs     -- http
s://master.php.net/note/delete/76055/in+docs
Del: other reasons-- https://mast
er.php.net/note/delete/76055
Reject      -- https://mast
er.php.net/note/reject/76055
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