<?php for ($i = 1; $i <= 9; $i++) { echo "{$i} x {$i} = " . $i*$i . "\n";}
Standard input is empty
1 x 1 = 1 2 x 2 = 4 3 x 3 = 9 4 x 4 = 16 5 x 5 = 25 6 x 6 = 36 7 x 7 = 49 8 x 8 = 64 9 x 9 = 81
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