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  1. <?php
  2. $n = 10;
  3.  
  4.  
  5. for ($i=1; $i<=$n; $i++) {
  6. $sum = $i * $i;
  7. echo $sum . "\n";
  8. }
Success #stdin #stdout 0.02s 23776KB
stdin
Standard input is empty
stdout
1
4
9
16
25
36
49
64
81
100