Same name in other branches

1. 9 core/lib/Drupal/Core/Database/StatementInterface.php \Drupal\Core\Database\StatementInterface::fetchCol()
2. 8.9.x core/lib/Drupal/Core/Database/StatementInterface.php \Drupal\Core\Database\StatementInterface::fetchCol()
3. 10 core/lib/Drupal/Core/Database/StatementInterface.php \Drupal\Core\Database\StatementInterface::fetchCol()

Returns an entire single column of a result set as an indexed array.

Note that this method will run the result set to the end.

Parameters

$index: The index of the column number to fetch.

Return value

array An indexed array, or an empty array if there is no result set.

2 methods override StatementInterface::fetchCol()

StatementPrefetchIterator::fetchCol in core/lib/Drupal/Core/Database/StatementPrefetchIterator.php

Returns an entire single column of a result set as an indexed array.

StatementWrapperIterator::fetchCol in core/lib/Drupal/Core/Database/StatementWrapperIterator.php

Returns an entire single column of a result set as an indexed array.

File

core/lib/Drupal/Core/Database/StatementInterface.php, line 169

Class

StatementInterface

Represents a prepared statement.

Namespace

Drupal\Core\Database

Code

public function fetchCol($index = 0);

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