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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.

The IsFieldEmpty criterion doesn't work for Taxonomy entry assignment fields. For this use case, use TaxonomyNoEntries instead.

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'),
    ]
);