<?php error_reporting(-1); for ($x = 1; $x <= 15; $x++) echo "{$x}x{$x} =" . $x*$x."\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 11x11 =121 12x12 =144 13x13 =169 14x14 =196 15x15 =225
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