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  1. <?php
  2. function subtracao($a, $b){
  3.     if ($b > 0) return $a - $b;
  4.     else return false;
  5. }
  6. if ($resultado = subtracao(4, 4)) echo "entrou";
  7. else echo "não entrou";
  8. if ($resultado = subtracao(4, 0)) echo "entrou";
  9. else echo "não entrou";
  10.  
  11. //https://pt.stackoverflow.com/q/392182/101
Success #stdin #stdout 0s 82560KB
comments (?)
stdin 
Standard input is empty
stdout 
não entrounão entrou
https://ideone.com/dJHBCB
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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