public function SpreadsheetIterator::getKeys in Migrate Spreadsheet 8

Same name and namespace in other branches

1. 2.0.x src/SpreadsheetIterator.php \Drupal\migrate_spreadsheet\SpreadsheetIterator::getKeys()

Gets the list of columns that are composing the primary key.

Return value

string[] A list of column names.

Throws

\InvalidArgumentException If a key passed in 'keys' does not exist in the header.

Overrides SpreadsheetIteratorInterface::getKeys

2 calls to SpreadsheetIterator::getKeys()

SpreadsheetIterator::current in src/SpreadsheetIterator.php

SpreadsheetIterator::key in src/SpreadsheetIterator.php

File

src/SpreadsheetIterator.php, line 204

Class

SpreadsheetIterator

Provides a spreadsheet iterator.

Namespace

Drupal\migrate_spreadsheet

Code

public function getKeys() {
  if (!isset($this->cache['keys'])) {
    $this->cache['keys'] = [];
    if (!empty($this->configuration['keys'])) {
      $headers = $this
        ->getHeaders();
      foreach ($this->configuration['keys'] as $key) {
        if ($key != $this
          ->getRowIndexColumn() && !isset($headers[$key])) {
          throw new \InvalidArgumentException("Key '{$key}' doesn't exist in the table header.");
        }
        $this->cache['keys'][$key] = $headers[$key];
      }
    }
  }
  return $this->cache['keys'];
}