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  1. <?php
  2. $n;
  3. for($i=1;$i<=3;$i++){
  4. for($j=1;$j<=$i;$j++){
  5. echo "*";
  6. }
  7. echo "\n";
  8. }
Success #stdin #stdout 0.04s 25212KB
stdin
Standard input is empty
stdout
*
**
***