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  1. <?php
  2.  
  3. for ($x = 1; $x < 10; $x++) {
  4. echo "( $x * $x )\n";
  5. }
  6.  
Success #stdin #stdout 0.01s 52488KB
stdin
Standard input is empty
stdout
( 1 * 1 )
( 2 * 2 )
( 3 * 3 )
( 4 * 4 )
( 5 * 5 )
( 6 * 6 )
( 7 * 7 )
( 8 * 8 )
( 9 * 9 )