public function StatementInterface::fetchCol in Drupal 9

Same name and namespace in other branches

1. 8 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

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

4 methods override StatementInterface::fetchCol()

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

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

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

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

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

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

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

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

File

core/lib/Drupal/Core/Database/StatementInterface.php, line 175

Class

StatementInterface

Represents a prepared statement.

Namespace

Drupal\Core\Database

Code

public function fetchCol($index = 0);