fmod - PHP code example

php Function fmod - Mathematical Functions in PHP

PHP offers a wide variety of operators that can be used to perform different types of operations on variables and values. These include unary operators that work on a single operand, binary operators that work on two operands, logical operators (AND, OR etc) and increment and decrement operators.

There are also a number of mathematical functions that make performing various mathematical calculations easier. One such function is fmod(), which calculates the remainder of a division operation involving floating point numbers. This function accepts two numbers as input, and returns the remainder value rounded towards zero.

While php has long supported floating-point division, it wasn't until recently that this functionality was extended to the rest of the language with the addition of the fmod() function. Unlike the mod() function, fmod() works with both integer and floating-point numbers and returns the modulus, making it an extremely useful tool for math-related tasks.

The php function fmod is a part of the cmath header and is very useful for handling division operations that involve floating-point numbers. The function takes two numbers as input, n and m, and returns the modulus, which is the floating-point remainder of the numerator/denominator divided by m, rounded toward zero.

Another feature of php is the ability to create constant variables that will maintain their value as long as the program runs. This can be very useful when developing web applications that need to display data on a continuous basis, such as updating users about a lengthy process or reporting the results of a long-running experiment. Constant variables are defined using the define() function and have their own unique name that can be referenced throughout the code whenever needed.

fmod example

if (3 === $i) {
                    $color = $color / 100;
                } elseif (\in_array($variant, [self::COLOR_RGB, self::COLOR_RGBA], true)) {
                    $color = \round($color / 100 * 0xFF);
                }
            }

            $color = (float) $color;

            if (0 === $i && \in_array($variant, [self::COLOR_HSL, self::COLOR_HSLA], true)) {
                $color = \fmod(\fmod($color, 360) + 360, 360);
            }
        }

        /** @psalm-var non-empty-array<array-key, float> $params Psalm bug workaround */
        switch ($variant) {
            case self::COLOR_RGBA:
            case self::COLOR_RGB:
                if (\min($params) < 0 || \max($params) > 0xFF) {
                    return null;
                }
                break;

$out .= $this->template['heading_row_end'] . $this->newline . $this->template['thead_close'] . $this->newline;
        }

        // Build the table rows         if (! empty($this->rows)) {
            $out .= $this->template['tbody_open'] . $this->newline;

            $i = 1;

            foreach ($this->rows as $row) {
                // We use modulus to alternate the row colors                 $name = fmod($i++, 2) ? '' : 'alt_';

                $out .= $this->template['row_' . $name . 'start'] . $this->newline;

                foreach ($row as $cell) {
                    $temp = $this->template['cell_' . $name . 'start'];

                    foreach ($cell as $key => $val) {
                        if ($key !== 'data') {
                            $temp = str_replace('<td', '<td ' . $key . '="' . $val . '"', $temp);
                        }
                    }

function rest_validate_number_value_from_schema( $value, $args, $param ) {
    if ( ! is_numeric( $value ) ) {
        return new WP_Error(
            'rest_invalid_type',
            /* translators: 1: Parameter, 2: Type name. */
            sprintf( __( '%1$s is not of type %2$s.' ), $param, $args['type'] ),
            array( 'param' => $param )
        );
    }

    if ( isset( $args['multipleOf'] ) && fmod( $value, $args['multipleOf'] ) !== 0.0 ) {
        return new WP_Error(
            'rest_invalid_multiple',
            /* translators: 1: Parameter, 2: Multiplier. */
            sprintf( __( '%1$s must be a multiple of %2$s.' ), $param, $args['multipleOf'] )
        );
    }

    if ( isset( $args['minimum'] ) && ! isset( $args['maximum'] ) ) {
        if ( ! empty( $args['exclusiveMinimum'] ) && $value <= $args['minimum'] ) {
            return new WP_Error(
                'rest_out_of_bounds',

$randomizer = new Randomizer(new Xoshiro256StarStar(hash('sha256', $context, true)));

            return static fn ($start, $end) => $randomizer->getInt($start, $end);
        }

        $counter = 0;

        return static function D$start, $end) use ($context, &$counter) {
            $possibleValues = range($start, $end);
            ++$counter;

            return $possibleValues[(int) fmod(hexdec(substr(md5($context.'-'.$counter), 0, 10)), \count($possibleValues))];
        };
    }
}

if (!is_numeric($value2)) {
            throw new UnexpectedValueException($value2, 'numeric');
        }

        if (!$value2 = abs($value2)) {
            return false;
        }
        if (\is_int($value1 = abs($value1)) && \is_int($value2)) {
            return 0 === ($value1 % $value2);
        }
        if (!$remainder = fmod($value1, $value2)) {
            return true;
        }
        if (\is_float($value2) && \INF !== $value2) {
            $quotient = $value1 / $value2;
            $rounded = round($quotient);

            return sprintf('%.12e', $quotient) === sprintf('%.12e', $rounded);
        }

        return sprintf('%.12e', $value2) === sprintf('%.12e', $remainder);
    }