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  1. <?php
  2.  
  3. for($i = 0; $i <= 1; $i++){
  4.     for($j = 0; $j <= 1; $j++){
  5.         for($k = 0; $k <= 1; $k++){
  6.             $a = (bool) $i;
  7.             $b = (bool) $j;
  8.             $c = (bool) $k;
  9.  
  10.             if ($a || $b and $c) {
  11.                 echo 'true ';
  12.             } else {
  13.                 echo 'false';
  14.             }
  15.  
  16.             if ($a || $b && $c) {
  17.                 echo ' -> true ';
  18.             } else {
  19.                 echo ' -> false';
  20.             }
  21.  
  22.             echo '   $a = ' . $i . ', $b = ' . $j . ', $c = ' . $k . PHP_EOL;
  23.         }
  24.     }   
  25. }
Success #stdin #stdout 0.02s 23376KB
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stdin
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Standard input is empty
stdout
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false -> false   $a = 0, $b = 0, $c = 0
false -> false   $a = 0, $b = 0, $c = 1
false -> false   $a = 0, $b = 1, $c = 0
true  -> true    $a = 0, $b = 1, $c = 1
false -> true    $a = 1, $b = 0, $c = 0
true  -> true    $a = 1, $b = 0, $c = 1
false -> true    $a = 1, $b = 1, $c = 0
true  -> true    $a = 1, $b = 1, $c = 1
https://ideone.com/lsqovs
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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