<?php $tests = [ "5'", "5' 0", "5' 0 1/2", "5' 1", "5' 1 1/2", "5' 2", "5' 2 1/2", "7' 4", ]; foreach ($tests as $test) { sscanf($test, '%d\' %d %d/%d"', $feet, $inches, $numerator, $denominator); printf("%.1f\n", ($feet * 12) + $inches + ($denominator ? $numerator / $denominator : 0)); }
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