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@ 2023-11-02T22:52:55Z

<?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));
}

Output
Performance
VLD
References
Branches

sscanf: documentation ( source)
printf: documentation ( source)

preferences:dark modelive previewkey bindings

24.31 ms | 405 KiB | 5 Q