wp_exif_frac2dec( string $str ): int|float

775function wp_exif_frac2dec( $str ) {776	if ( ! is_scalar( $str ) || is_bool( $str ) ) {777		return 0;778	}779 780	if ( ! is_string( $str ) ) {781		return $str; // This can only be an integer or float, so this is fine.782	}783 784	// Fractions passed as a string must contain a single `/`.785	if ( substr_count( $str, '/' ) !== 1 ) {786		if ( is_numeric( $str ) ) {787			return (float) $str;788		}789 790		return 0;791	}792 793	list( $numerator, $denominator ) = explode( '/', $str );794 795	// Both the numerator and the denominator must be numbers.796	if ( ! is_numeric( $numerator ) || ! is_numeric( $denominator ) ) {797		return 0;798	}799 800	// The denominator must not be zero.801	if ( 0 == $denominator ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual -- Deliberate loose comparison.802		return 0;803	}804 805	return $numerator / $denominator;806}