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po #9
~~~~~
 
~~~~~
       .            -  .   ""   ;         .      ,   .
 #1:
<?php
/*
logic_operators.php
  
 #9
*/
//   

$a = 5;
$b = 10;

//  
if ($a == 6 || $b == 10)
{
echo "   <br />";
}
elseif ($a == 5 || $b == 5)
{
echo "   ";
}
else
{
echo "  ";
}

// 
?>
   .      $a  $b (5  10), ,        .    $a  ,    $b  ,     ,      (  $a  5, a  6).        elseif.    $a  ,    $b  ,   ,      (  $b 10, a  5).      ,     ,     ,    .   ,     ?    .      "   ".   ?      , a   a! !   ...
A    :
1. and  && ( )
2. or  || ( )
3. ! ( )
4. xor (  ).

*  ()    ( ): or, xor, and, ||, &&, !