<?php $pow = 'pow'; for ($i = 1; $i <= 10; $i++) { echo "{$i}x{$i} = {$pow($i, 2)} \n";}
Standard input is empty
1x1 = 1 2x2 = 4 3x3 = 9 4x4 = 16 5x5 = 25 6x6 = 36 7x7 = 49 8x8 = 64 9x9 = 81 10x10 = 100
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