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IsFieldEmpty Criterion

The IsFieldEmpty Search Criterion searches for content based on whether a specified field is empty or not.

Arguments

  • fieldDefinitionIdentifier - string representing the identifier of the field
  • (optional) value - bool representing whether to search for empty (default true), or non-empty fields (false)

Limitations

The IsFieldEmpty Criterion isn't available in Repository filtering.

The Richtext field type (ezrichtext) isn't searchable in the Legacy search engine.

Example

PHP

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$query->query = new Criterion\IsFieldEmpty('title');

Use case

You can use the IsFieldEmpty Criterion to search for articles that don't have an image:

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$query = new LocationQuery;
$query->query = new Criterion\LogicalAnd([
        new Criterion\ContentTypeIdentifier('article'),
        new Criterion\IsFieldEmpty('image'),
    ]
);