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arrays against array

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Anguz:
if I want to compare all the values in two arrays, can I do it like this?


--- Code: ---$var = ($array1 == $array2 ? $array3 : '');
--- End code ---

or do I have to do it like this?


--- Code: ---for ($i = '0'; $i < count($array1); $i++)
{
   $var = ($array1[$i] == $array2[$i] ? $array3[$i] : '');
}
--- End code ---

note that only one of the comparisons will return true

thanks for your help :)

Anguz:
hmm maybe I should escape the loop once there's a match, or in the next loop, $var will be empty again...

then maybe something like this?


--- Code: ---for ($i = '0'; $i < count($array1); $i++)
{
   if ($array1[$i] == $array2[$i])
   {
      $var = $array3[$i];
      break;
   }
   else
   {
      $var = '';
   }
}
--- End code ---

[Unknown]:

--- Code: ---$worked = true;
foreach($array1 as $a)
   if (!in_array($a, $array2))
   {
      $worked = false;
      break;
   }
--- End code ---

-[Unknown]

Anguz:
hmm... I see... not exactly what I was asking, but you gave me an idea

I just looked up in_array() and also found array_search()

I can do with those something I've been wondering how to

thank you! :D

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