Same name and namespace in other branches

1. 11.x core/modules/migrate/src/Plugin/migrate/process/MakeUniqueBase.php \Drupal\migrate\Plugin\migrate\process\MakeUniqueBase::exists()
2. 10 core/modules/migrate/src/Plugin/migrate/process/MakeUniqueBase.php \Drupal\migrate\Plugin\migrate\process\MakeUniqueBase::exists()
3. 8.9.x core/modules/migrate/src/Plugin/migrate/process/MakeUniqueBase.php \Drupal\migrate\Plugin\migrate\process\MakeUniqueBase::exists()

This is a query checking the existence of some value.

Parameters

mixed $value: The value to check.

Return value

bool TRUE if the value exists.

File

core/modules/migrate/src/Plugin/migrate/process/MakeUniqueBase.php, line 75

Class

MakeUniqueBase

This plugin ensures the source value is unique.

Namespace

Drupal\migrate\Plugin\migrate\process

Code

abstract protected function exists($value);

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