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  1. $i = 10;
  2. $c = "10";
  3. $ec = "10 котят";
  4. var_dump($i); 
  5. var_dump($c); 
  6. var_dump($ec); 
  7. echo $i + $c; 
  8. echo $i + $ec; 
  9. echo $c + $ec; 
  10. $sum = $c + $ec;
  11. echo $sum;
Success #stdin #stdout 0.02s 52472KB
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Standard input is empty
stdout
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$i = 10;
$c = "10";
$ec = "10 котят";
var_dump($i); 
var_dump($c); 
var_dump($ec); 
echo $i + $c; 
echo $i + $ec; 
echo $c + $ec; 
$sum = $c + $ec;
echo $sum;
https://ideone.com/9aVD5D
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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