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  1. <?php
  2. $a = 10;
  3. $b = 6;
  4. echo ++$a; // pre incremento
  5. echo "<br>";
  6. echo $b++;
  7. echo "<br>";
  8. echo$b; // pós incremento
  9. echo"<br>";
  10. echo--$a;// pré decremento
  11.  
  12.  
  13. //https://pt.stackoverflow.com/q/349349/101
Success #stdin #stdout 0.01s 82560KB
stdin
Standard input is empty
stdout
11<br>6<br>7<br>10