protected static function ScssNumber::getValue in SCSS Compiler 1.0.x

Attempt to extract the value of the supplied element.

The element's value must be a flat associative array with keys 'value' and 'unit' (int|float and string respectively), or an intermediate object of type \Drupal\compiler_scss\Type\Number.

Parameters

array $element: The element for which to attempt to extract a value.

string|null $key: The key to retrieve from the element's value array or NULL to retrieve the entire array (default: NULL).

Return value

array|float|int|null|string The requested sub-value from the supplied element, or the entire element value if there was no specific key requested.

3 calls to ScssNumber::getValue()

ScssNumber::processNumber in src/Element/ScssNumber.php

Process the element before it gets rendered in the form.

ScssNumber::processUnitMultiple in src/Element/ScssNumber.php

Add a unit select element to the composite form element.

ScssNumber::validateNumber in src/Element/ScssNumber.php

Validate a number element's value on form submission.

File

src/Element/ScssNumber.php, line 268

Class

ScssNumber

A form element to represent Sass numbers with a unit.

Namespace

Drupal\compiler_scss\Element

Code

protected static function getValue(array $element, ?string $key = NULL) {
  if (!in_array($key, [
    NULL,
    'unit',
    'value',
  ], TRUE)) {
    throw new \InvalidArgumentException();
  }
  $value = array_key_exists('#value', $element) ? $element['#value'] : [];
  if ($value instanceof IntermediateNumber) {
    $value = [
      'value' => $value
        ->value(),
      'unit' => $value
        ->unit(),
    ];
  }
  if (isset($key)) {
    if (is_array($value)) {
      $value = array_key_exists($key, $value) ? $value[$key] : NULL;
    }
    else {
      $value = NULL;
    }
  }
  return $value;
}